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-rw-r--r--fs/udf/balloc.c420
-rw-r--r--fs/udf/crc.c4
-rw-r--r--fs/udf/dir.c60
-rw-r--r--fs/udf/directory.c68
-rw-r--r--fs/udf/ecma_167.h684
-rw-r--r--fs/udf/file.c72
-rw-r--r--fs/udf/fsync.c2
-rw-r--r--fs/udf/ialloc.c38
-rw-r--r--fs/udf/inode.c948
-rw-r--r--fs/udf/lowlevel.c4
-rw-r--r--fs/udf/misc.c87
-rw-r--r--fs/udf/namei.c410
-rw-r--r--fs/udf/osta_udf.h164
-rw-r--r--fs/udf/partition.c212
-rw-r--r--fs/udf/super.c1023
-rw-r--r--fs/udf/symlink.c14
-rw-r--r--fs/udf/truncate.c113
-rw-r--r--fs/udf/udf_i.h2
-rw-r--r--fs/udf/udf_sb.h26
-rw-r--r--fs/udf/udfdecl.h4
-rw-r--r--fs/udf/udfend.h20
-rw-r--r--fs/udf/udftime.c82
-rw-r--r--fs/udf/unicode.c155
23 files changed, 1910 insertions, 2702 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index ef48d094dd2b..276f7207a564 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -70,9 +70,9 @@ static inline int find_next_one_bit(void *addr, int size, int offset)
70 if (!size) 70 if (!size)
71 return result; 71 return result;
72 tmp = leBPL_to_cpup(p); 72 tmp = leBPL_to_cpup(p);
73 found_first: 73found_first:
74 tmp &= ~0UL >> (BITS_PER_LONG - size); 74 tmp &= ~0UL >> (BITS_PER_LONG - size);
75 found_middle: 75found_middle:
76 return result + ffz(~tmp); 76 return result + ffz(~tmp);
77} 77}
78 78
@@ -110,11 +110,11 @@ static int __load_block_bitmap(struct super_block *sb,
110 nr_groups); 110 nr_groups);
111 } 111 }
112 112
113 if (bitmap->s_block_bitmap[block_group]) 113 if (bitmap->s_block_bitmap[block_group]) {
114 return block_group; 114 return block_group;
115 else { 115 } else {
116 retval = 116 retval = read_block_bitmap(sb, bitmap, block_group,
117 read_block_bitmap(sb, bitmap, block_group, block_group); 117 block_group);
118 if (retval < 0) 118 if (retval < 0)
119 return retval; 119 return retval;
120 return block_group; 120 return block_group;
@@ -155,22 +155,16 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
155 155
156 mutex_lock(&sbi->s_alloc_mutex); 156 mutex_lock(&sbi->s_alloc_mutex);
157 if (bloc.logicalBlockNum < 0 || 157 if (bloc.logicalBlockNum < 0 ||
158 (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, 158 (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
159 bloc. 159 udf_debug("%d < %d || %d + %d > %d\n",
160 partitionReferenceNum)) 160 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
161 { 161 UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
162 udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0,
163 bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb,
164 bloc.
165 partitionReferenceNum));
166 goto error_return; 162 goto error_return;
167 } 163 }
168 164
169 block = 165 block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3);
170 bloc.logicalBlockNum + offset +
171 (sizeof(struct spaceBitmapDesc) << 3);
172 166
173 do_more: 167do_more:
174 overflow = 0; 168 overflow = 0;
175 block_group = block >> (sb->s_blocksize_bits + 3); 169 block_group = block >> (sb->s_blocksize_bits + 3);
176 bit = block % (sb->s_blocksize << 3); 170 bit = block % (sb->s_blocksize << 3);
@@ -190,18 +184,13 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
190 for (i = 0; i < count; i++) { 184 for (i = 0; i < count; i++) {
191 if (udf_set_bit(bit + i, bh->b_data)) { 185 if (udf_set_bit(bit + i, bh->b_data)) {
192 udf_debug("bit %ld already set\n", bit + i); 186 udf_debug("bit %ld already set\n", bit + i);
193 udf_debug("byte=%2x\n", 187 udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]);
194 ((char *)bh->b_data)[(bit + i) >> 3]);
195 } else { 188 } else {
196 if (inode) 189 if (inode)
197 DQUOT_FREE_BLOCK(inode, 1); 190 DQUOT_FREE_BLOCK(inode, 1);
198 if (UDF_SB_LVIDBH(sb)) { 191 if (UDF_SB_LVIDBH(sb)) {
199 UDF_SB_LVID(sb)-> 192 UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
200 freeSpaceTable[UDF_SB_PARTITION(sb)] = 193 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1);
201 cpu_to_le32(le32_to_cpu
202 (UDF_SB_LVID(sb)->
203 freeSpaceTable[UDF_SB_PARTITION
204 (sb)]) + 1);
205 } 194 }
206 } 195 }
207 } 196 }
@@ -211,7 +200,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
211 count = overflow; 200 count = overflow;
212 goto do_more; 201 goto do_more;
213 } 202 }
214 error_return: 203error_return:
215 sb->s_dirt = 1; 204 sb->s_dirt = 1;
216 if (UDF_SB_LVIDBH(sb)) 205 if (UDF_SB_LVIDBH(sb))
217 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 206 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
@@ -238,7 +227,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
238 if (first_block + block_count > UDF_SB_PARTLEN(sb, partition)) 227 if (first_block + block_count > UDF_SB_PARTLEN(sb, partition))
239 block_count = UDF_SB_PARTLEN(sb, partition) - first_block; 228 block_count = UDF_SB_PARTLEN(sb, partition) - first_block;
240 229
241 repeat: 230repeat:
242 nr_groups = (UDF_SB_PARTLEN(sb, partition) + 231 nr_groups = (UDF_SB_PARTLEN(sb, partition) +
243 (sizeof(struct spaceBitmapDesc) << 3) + 232 (sizeof(struct spaceBitmapDesc) << 3) +
244 (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8); 233 (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
@@ -254,11 +243,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
254 bit = block % (sb->s_blocksize << 3); 243 bit = block % (sb->s_blocksize << 3);
255 244
256 while (bit < (sb->s_blocksize << 3) && block_count > 0) { 245 while (bit < (sb->s_blocksize << 3) && block_count > 0) {
257 if (!udf_test_bit(bit, bh->b_data)) 246 if (!udf_test_bit(bit, bh->b_data)) {
258 goto out; 247 goto out;
259 else if (DQUOT_PREALLOC_BLOCK(inode, 1)) 248 } else if (DQUOT_PREALLOC_BLOCK(inode, 1)) {
260 goto out; 249 goto out;
261 else if (!udf_clear_bit(bit, bh->b_data)) { 250 } else if (!udf_clear_bit(bit, bh->b_data)) {
262 udf_debug("bit already cleared for block %d\n", bit); 251 udf_debug("bit already cleared for block %d\n", bit);
263 DQUOT_FREE_BLOCK(inode, 1); 252 DQUOT_FREE_BLOCK(inode, 1);
264 goto out; 253 goto out;
@@ -271,12 +260,10 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
271 mark_buffer_dirty(bh); 260 mark_buffer_dirty(bh);
272 if (block_count > 0) 261 if (block_count > 0)
273 goto repeat; 262 goto repeat;
274 out: 263out:
275 if (UDF_SB_LVIDBH(sb)) { 264 if (UDF_SB_LVIDBH(sb)) {
276 UDF_SB_LVID(sb)->freeSpaceTable[partition] = 265 UDF_SB_LVID(sb)->freeSpaceTable[partition] =
277 cpu_to_le32(le32_to_cpu 266 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
278 (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
279 alloc_count);
280 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 267 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
281 } 268 }
282 sb->s_dirt = 1; 269 sb->s_dirt = 1;
@@ -299,7 +286,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
299 *err = -ENOSPC; 286 *err = -ENOSPC;
300 mutex_lock(&sbi->s_alloc_mutex); 287 mutex_lock(&sbi->s_alloc_mutex);
301 288
302 repeat: 289repeat:
303 if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition)) 290 if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition))
304 goal = 0; 291 goal = 0;
305 292
@@ -312,31 +299,27 @@ static int udf_bitmap_new_block(struct super_block *sb,
312 if (bitmap_nr < 0) 299 if (bitmap_nr < 0)
313 goto error_return; 300 goto error_return;
314 bh = bitmap->s_block_bitmap[bitmap_nr]; 301 bh = bitmap->s_block_bitmap[bitmap_nr];
315 ptr = 302 ptr = memscan((char *)bh->b_data + group_start, 0xFF,
316 memscan((char *)bh->b_data + group_start, 0xFF, 303 sb->s_blocksize - group_start);
317 sb->s_blocksize - group_start);
318 304
319 if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { 305 if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
320 bit = block % (sb->s_blocksize << 3); 306 bit = block % (sb->s_blocksize << 3);
321 307 if (udf_test_bit(bit, bh->b_data))
322 if (udf_test_bit(bit, bh->b_data)) {
323 goto got_block; 308 goto got_block;
324 } 309
325 end_goal = (bit + 63) & ~63; 310 end_goal = (bit + 63) & ~63;
326 bit = udf_find_next_one_bit(bh->b_data, end_goal, bit); 311 bit = udf_find_next_one_bit(bh->b_data, end_goal, bit);
327 if (bit < end_goal) 312 if (bit < end_goal)
328 goto got_block; 313 goto got_block;
329 ptr = 314
330 memscan((char *)bh->b_data + (bit >> 3), 0xFF, 315 ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3));
331 sb->s_blocksize - ((bit + 7) >> 3));
332 newbit = (ptr - ((char *)bh->b_data)) << 3; 316 newbit = (ptr - ((char *)bh->b_data)) << 3;
333 if (newbit < sb->s_blocksize << 3) { 317 if (newbit < sb->s_blocksize << 3) {
334 bit = newbit; 318 bit = newbit;
335 goto search_back; 319 goto search_back;
336 } 320 }
337 newbit = 321
338 udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, 322 newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit);
339 bit);
340 if (newbit < sb->s_blocksize << 3) { 323 if (newbit < sb->s_blocksize << 3) {
341 bit = newbit; 324 bit = newbit;
342 goto got_block; 325 goto got_block;
@@ -354,18 +337,16 @@ static int udf_bitmap_new_block(struct super_block *sb,
354 goto error_return; 337 goto error_return;
355 bh = bitmap->s_block_bitmap[bitmap_nr]; 338 bh = bitmap->s_block_bitmap[bitmap_nr];
356 if (i < nr_groups) { 339 if (i < nr_groups) {
357 ptr = 340 ptr = memscan((char *)bh->b_data + group_start, 0xFF,
358 memscan((char *)bh->b_data + group_start, 0xFF, 341 sb->s_blocksize - group_start);
359 sb->s_blocksize - group_start);
360 if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { 342 if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
361 bit = (ptr - ((char *)bh->b_data)) << 3; 343 bit = (ptr - ((char *)bh->b_data)) << 3;
362 break; 344 break;
363 } 345 }
364 } else { 346 } else {
365 bit = 347 bit = udf_find_next_one_bit((char *)bh->b_data,
366 udf_find_next_one_bit((char *)bh->b_data, 348 sb->s_blocksize << 3,
367 sb->s_blocksize << 3, 349 group_start << 3);
368 group_start << 3);
369 if (bit < sb->s_blocksize << 3) 350 if (bit < sb->s_blocksize << 3)
370 break; 351 break;
371 } 352 }
@@ -377,20 +358,17 @@ static int udf_bitmap_new_block(struct super_block *sb,
377 if (bit < sb->s_blocksize << 3) 358 if (bit < sb->s_blocksize << 3)
378 goto search_back; 359 goto search_back;
379 else 360 else
380 bit = 361 bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3);
381 udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3,
382 group_start << 3);
383 if (bit >= sb->s_blocksize << 3) { 362 if (bit >= sb->s_blocksize << 3) {
384 mutex_unlock(&sbi->s_alloc_mutex); 363 mutex_unlock(&sbi->s_alloc_mutex);
385 return 0; 364 return 0;
386 } 365 }
387 366
388 search_back: 367search_back:
389 for (i = 0; 368 for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--)
390 i < 7 && bit > (group_start << 3) 369 ; /* empty loop */
391 && udf_test_bit(bit - 1, bh->b_data); i++, bit--) ;
392 370
393 got_block: 371got_block:
394 372
395 /* 373 /*
396 * Check quota for allocation of this block. 374 * Check quota for allocation of this block.
@@ -402,7 +380,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
402 } 380 }
403 381
404 newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) - 382 newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
405 (sizeof(struct spaceBitmapDesc) << 3); 383 (sizeof(struct spaceBitmapDesc) << 3);
406 384
407 if (!udf_clear_bit(bit, bh->b_data)) { 385 if (!udf_clear_bit(bit, bh->b_data)) {
408 udf_debug("bit already cleared for block %d\n", bit); 386 udf_debug("bit already cleared for block %d\n", bit);
@@ -413,9 +391,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
413 391
414 if (UDF_SB_LVIDBH(sb)) { 392 if (UDF_SB_LVIDBH(sb)) {
415 UDF_SB_LVID(sb)->freeSpaceTable[partition] = 393 UDF_SB_LVID(sb)->freeSpaceTable[partition] =
416 cpu_to_le32(le32_to_cpu 394 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
417 (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
418 1);
419 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 395 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
420 } 396 }
421 sb->s_dirt = 1; 397 sb->s_dirt = 1;
@@ -423,7 +399,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
423 *err = 0; 399 *err = 0;
424 return newblock; 400 return newblock;
425 401
426 error_return: 402error_return:
427 *err = -EIO; 403 *err = -EIO;
428 mutex_unlock(&sbi->s_alloc_mutex); 404 mutex_unlock(&sbi->s_alloc_mutex);
429 return 0; 405 return 0;
@@ -445,14 +421,10 @@ static void udf_table_free_blocks(struct super_block *sb,
445 421
446 mutex_lock(&sbi->s_alloc_mutex); 422 mutex_lock(&sbi->s_alloc_mutex);
447 if (bloc.logicalBlockNum < 0 || 423 if (bloc.logicalBlockNum < 0 ||
448 (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, 424 (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
449 bloc. 425 udf_debug("%d < %d || %d + %d > %d\n",
450 partitionReferenceNum)) 426 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
451 { 427 UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
452 udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0,
453 bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb,
454 bloc.
455 partitionReferenceNum));
456 goto error_return; 428 goto error_return;
457 } 429 }
458 430
@@ -462,9 +434,7 @@ static void udf_table_free_blocks(struct super_block *sb,
462 DQUOT_FREE_BLOCK(inode, count); 434 DQUOT_FREE_BLOCK(inode, count);
463 if (UDF_SB_LVIDBH(sb)) { 435 if (UDF_SB_LVIDBH(sb)) {
464 UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] = 436 UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
465 cpu_to_le32(le32_to_cpu 437 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
466 (UDF_SB_LVID(sb)->
467 freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
468 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 438 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
469 } 439 }
470 440
@@ -476,47 +446,28 @@ static void udf_table_free_blocks(struct super_block *sb,
476 epos.block = oepos.block = UDF_I_LOCATION(table); 446 epos.block = oepos.block = UDF_I_LOCATION(table);
477 epos.bh = oepos.bh = NULL; 447 epos.bh = oepos.bh = NULL;
478 448
479 while (count && (etype = 449 while (count &&
480 udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { 450 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
481 if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == 451 if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) {
482 start)) { 452 if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) {
483 if ((0x3FFFFFFF - elen) < 453 count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
484 (count << sb->s_blocksize_bits)) { 454 start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
485 count -= 455 elen = (etype << 30) | (0x40000000 - sb->s_blocksize);
486 ((0x3FFFFFFF -
487 elen) >> sb->s_blocksize_bits);
488 start +=
489 ((0x3FFFFFFF -
490 elen) >> sb->s_blocksize_bits);
491 elen =
492 (etype << 30) | (0x40000000 -
493 sb->s_blocksize);
494 } else { 456 } else {
495 elen = (etype << 30) | 457 elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits));
496 (elen + (count << sb->s_blocksize_bits));
497 start += count; 458 start += count;
498 count = 0; 459 count = 0;
499 } 460 }
500 udf_write_aext(table, &oepos, eloc, elen, 1); 461 udf_write_aext(table, &oepos, eloc, elen, 1);
501 } else if (eloc.logicalBlockNum == (end + 1)) { 462 } else if (eloc.logicalBlockNum == (end + 1)) {
502 if ((0x3FFFFFFF - elen) < 463 if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) {
503 (count << sb->s_blocksize_bits)) { 464 count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
504 count -= 465 end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
505 ((0x3FFFFFFF - 466 eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
506 elen) >> sb->s_blocksize_bits); 467 elen = (etype << 30) | (0x40000000 - sb->s_blocksize);
507 end -=
508 ((0x3FFFFFFF -
509 elen) >> sb->s_blocksize_bits);
510 eloc.logicalBlockNum -=
511 ((0x3FFFFFFF -
512 elen) >> sb->s_blocksize_bits);
513 elen =
514 (etype << 30) | (0x40000000 -
515 sb->s_blocksize);
516 } else { 468 } else {
517 eloc.logicalBlockNum = start; 469 eloc.logicalBlockNum = start;
518 elen = (etype << 30) | 470 elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits));
519 (elen + (count << sb->s_blocksize_bits));
520 end -= count; 471 end -= count;
521 count = 0; 472 count = 0;
522 } 473 }
@@ -530,21 +481,23 @@ static void udf_table_free_blocks(struct super_block *sb,
530 get_bh(epos.bh); 481 get_bh(epos.bh);
531 oepos.bh = epos.bh; 482 oepos.bh = epos.bh;
532 oepos.offset = 0; 483 oepos.offset = 0;
533 } else 484 } else {
534 oepos.offset = epos.offset; 485 oepos.offset = epos.offset;
486 }
535 } 487 }
536 488
537 if (count) { 489 if (count) {
538 /* NOTE: we CANNOT use udf_add_aext here, as it can try to allocate 490 /*
539 a new block, and since we hold the super block lock already 491 * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate
540 very bad things would happen :) 492 * a new block, and since we hold the super block lock already
541 493 * very bad things would happen :)
542 We copy the behavior of udf_add_aext, but instead of 494 *
543 trying to allocate a new block close to the existing one, 495 * We copy the behavior of udf_add_aext, but instead of
544 we just steal a block from the extent we are trying to add. 496 * trying to allocate a new block close to the existing one,
545 497 * we just steal a block from the extent we are trying to add.
546 It would be nice if the blocks were close together, but it 498 *
547 isn't required. 499 * It would be nice if the blocks were close together, but it
500 * isn't required.
548 */ 501 */
549 502
550 int adsize; 503 int adsize;
@@ -553,13 +506,14 @@ static void udf_table_free_blocks(struct super_block *sb,
553 struct allocExtDesc *aed; 506 struct allocExtDesc *aed;
554 507
555 eloc.logicalBlockNum = start; 508 eloc.logicalBlockNum = start;
556 elen = EXT_RECORDED_ALLOCATED | (count << sb->s_blocksize_bits); 509 elen = EXT_RECORDED_ALLOCATED |
510 (count << sb->s_blocksize_bits);
557 511
558 if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) 512 if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) {
559 adsize = sizeof(short_ad); 513 adsize = sizeof(short_ad);
560 else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) 514 } else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) {
561 adsize = sizeof(long_ad); 515 adsize = sizeof(long_ad);
562 else { 516 } else {
563 brelse(oepos.bh); 517 brelse(oepos.bh);
564 brelse(epos.bh); 518 brelse(epos.bh);
565 goto error_return; 519 goto error_return;
@@ -577,28 +531,21 @@ static void udf_table_free_blocks(struct super_block *sb,
577 eloc.logicalBlockNum++; 531 eloc.logicalBlockNum++;
578 elen -= sb->s_blocksize; 532 elen -= sb->s_blocksize;
579 533
580 if (!(epos.bh = udf_tread(sb, 534 if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) {
581 udf_get_lb_pblock(sb,
582 epos.block,
583 0)))) {
584 brelse(oepos.bh); 535 brelse(oepos.bh);
585 goto error_return; 536 goto error_return;
586 } 537 }
587 aed = (struct allocExtDesc *)(epos.bh->b_data); 538 aed = (struct allocExtDesc *)(epos.bh->b_data);
588 aed->previousAllocExtLocation = 539 aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum);
589 cpu_to_le32(oepos.block.logicalBlockNum);
590 if (epos.offset + adsize > sb->s_blocksize) { 540 if (epos.offset + adsize > sb->s_blocksize) {
591 loffset = epos.offset; 541 loffset = epos.offset;
592 aed->lengthAllocDescs = cpu_to_le32(adsize); 542 aed->lengthAllocDescs = cpu_to_le32(adsize);
593 sptr = UDF_I_DATA(inode) + epos.offset - 543 sptr = UDF_I_DATA(inode) + epos.offset -
594 udf_file_entry_alloc_offset(inode) + 544 udf_file_entry_alloc_offset(inode) +
595 UDF_I_LENEATTR(inode) - adsize; 545 UDF_I_LENEATTR(inode) - adsize;
596 dptr = 546 dptr = epos.bh->b_data + sizeof(struct allocExtDesc);
597 epos.bh->b_data +
598 sizeof(struct allocExtDesc);
599 memcpy(dptr, sptr, adsize); 547 memcpy(dptr, sptr, adsize);
600 epos.offset = 548 epos.offset = sizeof(struct allocExtDesc) + adsize;
601 sizeof(struct allocExtDesc) + adsize;
602 } else { 549 } else {
603 loffset = epos.offset + adsize; 550 loffset = epos.offset + adsize;
604 aed->lengthAllocDescs = cpu_to_le32(0); 551 aed->lengthAllocDescs = cpu_to_le32(0);
@@ -606,60 +553,46 @@ static void udf_table_free_blocks(struct super_block *sb,
606 epos.offset = sizeof(struct allocExtDesc); 553 epos.offset = sizeof(struct allocExtDesc);
607 554
608 if (oepos.bh) { 555 if (oepos.bh) {
609 aed = 556 aed = (struct allocExtDesc *)oepos.bh->b_data;
610 (struct allocExtDesc *)oepos.bh->
611 b_data;
612 aed->lengthAllocDescs = 557 aed->lengthAllocDescs =
613 cpu_to_le32(le32_to_cpu 558 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
614 (aed->
615 lengthAllocDescs) +
616 adsize);
617 } else { 559 } else {
618 UDF_I_LENALLOC(table) += adsize; 560 UDF_I_LENALLOC(table) += adsize;
619 mark_inode_dirty(table); 561 mark_inode_dirty(table);
620 } 562 }
621 } 563 }
622 if (UDF_SB_UDFREV(sb) >= 0x0200) 564 if (UDF_SB_UDFREV(sb) >= 0x0200)
623 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 565 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1,
624 1, epos.block.logicalBlockNum, 566 epos.block.logicalBlockNum, sizeof(tag));
625 sizeof(tag));
626 else 567 else
627 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 568 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1,
628 1, epos.block.logicalBlockNum, 569 epos.block.logicalBlockNum, sizeof(tag));
629 sizeof(tag)); 570
630 switch (UDF_I_ALLOCTYPE(table)) { 571 switch (UDF_I_ALLOCTYPE(table)) {
631 case ICBTAG_FLAG_AD_SHORT: 572 case ICBTAG_FLAG_AD_SHORT:
632 { 573 sad = (short_ad *)sptr;
633 sad = (short_ad *) sptr; 574 sad->extLength = cpu_to_le32(
634 sad->extLength = 575 EXT_NEXT_EXTENT_ALLOCDECS |
635 cpu_to_le32 576 sb->s_blocksize);
636 (EXT_NEXT_EXTENT_ALLOCDECS | sb-> 577 sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum);
637 s_blocksize);
638 sad->extPosition =
639 cpu_to_le32(epos.block.
640 logicalBlockNum);
641 break; 578 break;
642 } 579 case ICBTAG_FLAG_AD_LONG:
643 case ICBTAG_FLAG_AD_LONG: 580 lad = (long_ad *)sptr;
644 { 581 lad->extLength = cpu_to_le32(
645 lad = (long_ad *) sptr; 582 EXT_NEXT_EXTENT_ALLOCDECS |
646 lad->extLength = 583 sb->s_blocksize);
647 cpu_to_le32 584 lad->extLocation = cpu_to_lelb(epos.block);
648 (EXT_NEXT_EXTENT_ALLOCDECS | sb->
649 s_blocksize);
650 lad->extLocation =
651 cpu_to_lelb(epos.block);
652 break; 585 break;
653 }
654 } 586 }
655 if (oepos.bh) { 587 if (oepos.bh) {
656 udf_update_tag(oepos.bh->b_data, loffset); 588 udf_update_tag(oepos.bh->b_data, loffset);
657 mark_buffer_dirty(oepos.bh); 589 mark_buffer_dirty(oepos.bh);
658 } else 590 } else {
659 mark_inode_dirty(table); 591 mark_inode_dirty(table);
592 }
660 } 593 }
661 594
662 if (elen) { /* It's possible that stealing the block emptied the extent */ 595 if (elen) { /* It's possible that stealing the block emptied the extent */
663 udf_write_aext(table, &epos, eloc, elen, 1); 596 udf_write_aext(table, &epos, eloc, elen, 1);
664 597
665 if (!epos.bh) { 598 if (!epos.bh) {
@@ -668,9 +601,7 @@ static void udf_table_free_blocks(struct super_block *sb,
668 } else { 601 } else {
669 aed = (struct allocExtDesc *)epos.bh->b_data; 602 aed = (struct allocExtDesc *)epos.bh->b_data;
670 aed->lengthAllocDescs = 603 aed->lengthAllocDescs =
671 cpu_to_le32(le32_to_cpu 604 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
672 (aed->lengthAllocDescs) +
673 adsize);
674 udf_update_tag(epos.bh->b_data, epos.offset); 605 udf_update_tag(epos.bh->b_data, epos.offset);
675 mark_buffer_dirty(epos.bh); 606 mark_buffer_dirty(epos.bh);
676 } 607 }
@@ -680,7 +611,7 @@ static void udf_table_free_blocks(struct super_block *sb,
680 brelse(epos.bh); 611 brelse(epos.bh);
681 brelse(oepos.bh); 612 brelse(oepos.bh);
682 613
683 error_return: 614error_return:
684 sb->s_dirt = 1; 615 sb->s_dirt = 1;
685 mutex_unlock(&sbi->s_alloc_mutex); 616 mutex_unlock(&sbi->s_alloc_mutex);
686 return; 617 return;
@@ -714,47 +645,36 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
714 epos.bh = NULL; 645 epos.bh = NULL;
715 eloc.logicalBlockNum = 0xFFFFFFFF; 646 eloc.logicalBlockNum = 0xFFFFFFFF;
716 647
717 while (first_block != eloc.logicalBlockNum && (etype = 648 while (first_block != eloc.logicalBlockNum &&
718 udf_next_aext(table, 649 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
719 &epos,
720 &eloc,
721 &elen,
722 1)) !=
723 -1) {
724 udf_debug("eloc=%d, elen=%d, first_block=%d\n", 650 udf_debug("eloc=%d, elen=%d, first_block=%d\n",
725 eloc.logicalBlockNum, elen, first_block); 651 eloc.logicalBlockNum, elen, first_block);
726 ; /* empty loop body */ 652 ; /* empty loop body */
727 } 653 }
728 654
729 if (first_block == eloc.logicalBlockNum) { 655 if (first_block == eloc.logicalBlockNum) {
730 epos.offset -= adsize; 656 epos.offset -= adsize;
731 657
732 alloc_count = (elen >> sb->s_blocksize_bits); 658 alloc_count = (elen >> sb->s_blocksize_bits);
733 if (inode 659 if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) {
734 && DQUOT_PREALLOC_BLOCK(inode,
735 alloc_count >
736 block_count ? block_count :
737 alloc_count))
738 alloc_count = 0; 660 alloc_count = 0;
739 else if (alloc_count > block_count) { 661 } else if (alloc_count > block_count) {
740 alloc_count = block_count; 662 alloc_count = block_count;
741 eloc.logicalBlockNum += alloc_count; 663 eloc.logicalBlockNum += alloc_count;
742 elen -= (alloc_count << sb->s_blocksize_bits); 664 elen -= (alloc_count << sb->s_blocksize_bits);
743 udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 665 udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1);
744 1); 666 } else {
745 } else 667 udf_delete_aext(table, epos, eloc, (etype << 30) | elen);
746 udf_delete_aext(table, epos, eloc, 668 }
747 (etype << 30) | elen); 669 } else {
748 } else
749 alloc_count = 0; 670 alloc_count = 0;
671 }
750 672
751 brelse(epos.bh); 673 brelse(epos.bh);
752 674
753 if (alloc_count && UDF_SB_LVIDBH(sb)) { 675 if (alloc_count && UDF_SB_LVIDBH(sb)) {
754 UDF_SB_LVID(sb)->freeSpaceTable[partition] = 676 UDF_SB_LVID(sb)->freeSpaceTable[partition] =
755 cpu_to_le32(le32_to_cpu 677 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
756 (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
757 alloc_count);
758 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 678 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
759 sb->s_dirt = 1; 679 sb->s_dirt = 1;
760 } 680 }
@@ -797,18 +717,17 @@ static int udf_table_new_block(struct super_block *sb,
797 epos.block = UDF_I_LOCATION(table); 717 epos.block = UDF_I_LOCATION(table);
798 epos.bh = goal_epos.bh = NULL; 718 epos.bh = goal_epos.bh = NULL;
799 719
800 while (spread && (etype = 720 while (spread &&
801 udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { 721 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
802 if (goal >= eloc.logicalBlockNum) { 722 if (goal >= eloc.logicalBlockNum) {
803 if (goal < 723 if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits))
804 eloc.logicalBlockNum +
805 (elen >> sb->s_blocksize_bits))
806 nspread = 0; 724 nspread = 0;
807 else 725 else
808 nspread = goal - eloc.logicalBlockNum - 726 nspread = goal - eloc.logicalBlockNum -
809 (elen >> sb->s_blocksize_bits); 727 (elen >> sb->s_blocksize_bits);
810 } else 728 } else {
811 nspread = eloc.logicalBlockNum - goal; 729 nspread = eloc.logicalBlockNum - goal;
730 }
812 731
813 if (nspread < spread) { 732 if (nspread < spread) {
814 spread = nspread; 733 spread = nspread;
@@ -856,9 +775,7 @@ static int udf_table_new_block(struct super_block *sb,
856 775
857 if (UDF_SB_LVIDBH(sb)) { 776 if (UDF_SB_LVIDBH(sb)) {
858 UDF_SB_LVID(sb)->freeSpaceTable[partition] = 777 UDF_SB_LVID(sb)->freeSpaceTable[partition] =
859 cpu_to_le32(le32_to_cpu 778 cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
860 (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
861 1);
862 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 779 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
863 } 780 }
864 781
@@ -877,27 +794,23 @@ inline void udf_free_blocks(struct super_block *sb,
877 794
878 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { 795 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
879 return udf_bitmap_free_blocks(sb, inode, 796 return udf_bitmap_free_blocks(sb, inode,
880 UDF_SB_PARTMAPS(sb)[partition]. 797 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
881 s_uspace.s_bitmap, bloc, offset, 798 bloc, offset, count);
882 count); 799 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
883 } else if (UDF_SB_PARTFLAGS(sb, partition) &
884 UDF_PART_FLAG_UNALLOC_TABLE) {
885 return udf_table_free_blocks(sb, inode, 800 return udf_table_free_blocks(sb, inode,
886 UDF_SB_PARTMAPS(sb)[partition]. 801 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
887 s_uspace.s_table, bloc, offset, 802 bloc, offset, count);
888 count);
889 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { 803 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
890 return udf_bitmap_free_blocks(sb, inode, 804 return udf_bitmap_free_blocks(sb, inode,
891 UDF_SB_PARTMAPS(sb)[partition]. 805 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
892 s_fspace.s_bitmap, bloc, offset, 806 bloc, offset, count);
893 count);
894 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { 807 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
895 return udf_table_free_blocks(sb, inode, 808 return udf_table_free_blocks(sb, inode,
896 UDF_SB_PARTMAPS(sb)[partition]. 809 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
897 s_fspace.s_table, bloc, offset, 810 bloc, offset, count);
898 count); 811 } else {
899 } else
900 return; 812 return;
813 }
901} 814}
902 815
903inline int udf_prealloc_blocks(struct super_block *sb, 816inline int udf_prealloc_blocks(struct super_block *sb,
@@ -907,29 +820,23 @@ inline int udf_prealloc_blocks(struct super_block *sb,
907{ 820{
908 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { 821 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
909 return udf_bitmap_prealloc_blocks(sb, inode, 822 return udf_bitmap_prealloc_blocks(sb, inode,
910 UDF_SB_PARTMAPS(sb) 823 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
911 [partition].s_uspace.s_bitmap, 824 partition, first_block, block_count);
912 partition, first_block, 825 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
913 block_count);
914 } else if (UDF_SB_PARTFLAGS(sb, partition) &
915 UDF_PART_FLAG_UNALLOC_TABLE) {
916 return udf_table_prealloc_blocks(sb, inode, 826 return udf_table_prealloc_blocks(sb, inode,
917 UDF_SB_PARTMAPS(sb)[partition]. 827 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
918 s_uspace.s_table, partition, 828 partition, first_block, block_count);
919 first_block, block_count);
920 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { 829 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
921 return udf_bitmap_prealloc_blocks(sb, inode, 830 return udf_bitmap_prealloc_blocks(sb, inode,
922 UDF_SB_PARTMAPS(sb) 831 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
923 [partition].s_fspace.s_bitmap, 832 partition, first_block, block_count);
924 partition, first_block,
925 block_count);
926 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { 833 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
927 return udf_table_prealloc_blocks(sb, inode, 834 return udf_table_prealloc_blocks(sb, inode,
928 UDF_SB_PARTMAPS(sb)[partition]. 835 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
929 s_fspace.s_table, partition, 836 partition, first_block, block_count);
930 first_block, block_count); 837 } else {
931 } else
932 return 0; 838 return 0;
839 }
933} 840}
934 841
935inline int udf_new_block(struct super_block *sb, 842inline int udf_new_block(struct super_block *sb,
@@ -940,26 +847,21 @@ inline int udf_new_block(struct super_block *sb,
940 847
941 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { 848 if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
942 ret = udf_bitmap_new_block(sb, inode, 849 ret = udf_bitmap_new_block(sb, inode,
943 UDF_SB_PARTMAPS(sb)[partition]. 850 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
944 s_uspace.s_bitmap, partition, goal, 851 partition, goal, err);
945 err);
946 return ret; 852 return ret;
947 } else if (UDF_SB_PARTFLAGS(sb, partition) & 853 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
948 UDF_PART_FLAG_UNALLOC_TABLE) {
949 return udf_table_new_block(sb, inode, 854 return udf_table_new_block(sb, inode,
950 UDF_SB_PARTMAPS(sb)[partition]. 855 UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
951 s_uspace.s_table, partition, goal, 856 partition, goal, err);
952 err);
953 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { 857 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
954 return udf_bitmap_new_block(sb, inode, 858 return udf_bitmap_new_block(sb, inode,
955 UDF_SB_PARTMAPS(sb)[partition]. 859 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
956 s_fspace.s_bitmap, partition, goal, 860 partition, goal, err);
957 err);
958 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { 861 } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
959 return udf_table_new_block(sb, inode, 862 return udf_table_new_block(sb, inode,
960 UDF_SB_PARTMAPS(sb)[partition]. 863 UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
961 s_fspace.s_table, partition, goal, 864 partition, goal, err);
962 err);
963 } else { 865 } else {
964 *err = -EIO; 866 *err = -EIO;
965 return 0; 867 return 0;
diff --git a/fs/udf/crc.c b/fs/udf/crc.c
index ae3d49790941..85aaee5fab26 100644
--- a/fs/udf/crc.c
+++ b/fs/udf/crc.c
@@ -111,7 +111,7 @@ int main(void)
111 return 0; 111 return 0;
112} 112}
113 113
114#endif /* defined(TEST) */ 114#endif /* defined(TEST) */
115 115
116/****************************************************************************/ 116/****************************************************************************/
117#if defined(GENERATE) 117#if defined(GENERATE)
@@ -169,4 +169,4 @@ int main(int argc, char **argv)
169 return 0; 169 return 0;
170} 170}
171 171
172#endif /* defined(GENERATE) */ 172#endif /* defined(GENERATE) */
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 79bab9fe120c..9e3b9f97ddbc 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -43,10 +43,10 @@ static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *);
43/* readdir and lookup functions */ 43/* readdir and lookup functions */
44 44
45const struct file_operations udf_dir_operations = { 45const struct file_operations udf_dir_operations = {
46 .read = generic_read_dir, 46 .read = generic_read_dir,
47 .readdir = udf_readdir, 47 .readdir = udf_readdir,
48 .ioctl = udf_ioctl, 48 .ioctl = udf_ioctl,
49 .fsync = udf_fsync_file, 49 .fsync = udf_fsync_file,
50}; 50};
51 51
52/* 52/*
@@ -83,8 +83,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
83 lock_kernel(); 83 lock_kernel();
84 84
85 if (filp->f_pos == 0) { 85 if (filp->f_pos == 0) {
86 if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 86 if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) {
87 0) {
88 unlock_kernel(); 87 unlock_kernel();
89 return 0; 88 return 0;
90 } 89 }
@@ -93,7 +92,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
93 92
94 result = do_udf_readdir(dir, filp, filldir, dirent); 93 result = do_udf_readdir(dir, filp, filldir, dirent);
95 unlock_kernel(); 94 unlock_kernel();
96 return result; 95 return result;
97} 96}
98 97
99static int 98static int
@@ -125,21 +124,20 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
125 if (nf_pos == 0) 124 if (nf_pos == 0)
126 nf_pos = (udf_ext0_offset(dir) >> 2); 125 nf_pos = (udf_ext0_offset(dir) >> 2);
127 126
128 fibh.soffset = fibh.eoffset = 127 fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
129 (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 128 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
130 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
131 fibh.sbh = fibh.ebh = NULL; 129 fibh.sbh = fibh.ebh = NULL;
132 else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), 130 } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2),
133 &epos, &eloc, &elen, 131 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
134 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
135 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 132 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
136 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 133 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
137 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 134 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
138 epos.offset -= sizeof(short_ad); 135 epos.offset -= sizeof(short_ad);
139 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 136 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
140 epos.offset -= sizeof(long_ad); 137 epos.offset -= sizeof(long_ad);
141 } else 138 } else {
142 offset = 0; 139 offset = 0;
140 }
143 141
144 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { 142 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
145 brelse(epos.bh); 143 brelse(epos.bh);
@@ -149,15 +147,11 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
149 if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { 147 if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
150 i = 16 >> (dir->i_sb->s_blocksize_bits - 9); 148 i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
151 if (i + offset > (elen >> dir->i_sb->s_blocksize_bits)) 149 if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
152 i = (elen >> dir->i_sb->s_blocksize_bits) - 150 i = (elen >> dir->i_sb->s_blocksize_bits) - offset;
153 offset;
154 for (num = 0; i > 0; i--) { 151 for (num = 0; i > 0; i--) {
155 block = 152 block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i);
156 udf_get_lb_pblock(dir->i_sb, eloc,
157 offset + i);
158 tmp = udf_tgetblk(dir->i_sb, block); 153 tmp = udf_tgetblk(dir->i_sb, block);
159 if (tmp && !buffer_uptodate(tmp) 154 if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
160 && !buffer_locked(tmp))
161 bha[num++] = tmp; 155 bha[num++] = tmp;
162 else 156 else
163 brelse(tmp); 157 brelse(tmp);
@@ -178,7 +172,6 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
178 172
179 fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, 173 fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc,
180 &elen, &offset); 174 &elen, &offset);
181
182 if (!fi) { 175 if (!fi) {
183 if (fibh.sbh != fibh.ebh) 176 if (fibh.sbh != fibh.ebh)
184 brelse(fibh.ebh); 177 brelse(fibh.ebh);
@@ -190,19 +183,16 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
190 liu = le16_to_cpu(cfi.lengthOfImpUse); 183 liu = le16_to_cpu(cfi.lengthOfImpUse);
191 lfi = cfi.lengthFileIdent; 184 lfi = cfi.lengthFileIdent;
192 185
193 if (fibh.sbh == fibh.ebh) 186 if (fibh.sbh == fibh.ebh) {
194 nameptr = fi->fileIdent + liu; 187 nameptr = fi->fileIdent + liu;
195 else { 188 } else {
196 int poffset; /* Unpaded ending offset */ 189 int poffset; /* Unpaded ending offset */
197 190
198 poffset = 191 poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi;
199 fibh.soffset + sizeof(struct fileIdentDesc) + liu +
200 lfi;
201 192
202 if (poffset >= lfi) 193 if (poffset >= lfi) {
203 nameptr = 194 nameptr = (char *)(fibh.ebh->b_data + poffset - lfi);
204 (char *)(fibh.ebh->b_data + poffset - lfi); 195 } else {
205 else {
206 nameptr = fname; 196 nameptr = fname;
207 memcpy(nameptr, fi->fileIdent + liu, 197 memcpy(nameptr, fi->fileIdent + liu,
208 lfi - poffset); 198 lfi - poffset);
@@ -235,17 +225,15 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
235 } 225 }
236 226
237 if (flen) { 227 if (flen) {
238 if (filldir 228 if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) {
239 (dirent, fname, flen, filp->f_pos, iblock,
240 dt_type) < 0) {
241 if (fibh.sbh != fibh.ebh) 229 if (fibh.sbh != fibh.ebh)
242 brelse(fibh.ebh); 230 brelse(fibh.ebh);
243 brelse(fibh.sbh); 231 brelse(fibh.sbh);
244 brelse(epos.bh); 232 brelse(epos.bh);
245 return 0; 233 return 0;
246 } 234 }
247 } 235 }
248 } /* end while */ 236 } /* end while */
249 237
250 filp->f_pos = nf_pos + 1; 238 filp->f_pos = nf_pos + 1;
251 239
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 8adc77c1d579..ff8c08fd7bf5 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -31,7 +31,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
31 31
32 *error = 0; 32 *error = 0;
33 33
34 ad = (uint8_t *) (*bh)->b_data + *offset; 34 ad = (uint8_t *)(*bh)->b_data + *offset;
35 *offset += ad_size; 35 *offset += ad_size;
36 36
37 if (!ad) { 37 if (!ad) {
@@ -51,7 +51,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
51 ad = tmpad; 51 ad = tmpad;
52 52
53 remainder = dir->i_sb->s_blocksize - loffset; 53 remainder = dir->i_sb->s_blocksize - loffset;
54 memcpy((uint8_t *) ad, (*bh)->b_data + loffset, remainder); 54 memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder);
55 55
56 brelse(*bh); 56 brelse(*bh);
57 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); 57 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
@@ -60,10 +60,10 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
60 if (!((*bh) = udf_tread(dir->i_sb, block))) 60 if (!((*bh) = udf_tread(dir->i_sb, block)))
61 return NULL; 61 return NULL;
62 62
63 memcpy((uint8_t *) ad + remainder, (*bh)->b_data, 63 memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder);
64 ad_size - remainder);
65 *offset = ad_size - remainder; 64 *offset = ad_size - remainder;
66 } 65 }
66
67 return ad; 67 return ad;
68} 68}
69#endif 69#endif
@@ -86,15 +86,13 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
86 (UDF_I_EFE(dir) ? 86 (UDF_I_EFE(dir) ?
87 sizeof(struct extendedFileEntry) : 87 sizeof(struct extendedFileEntry) :
88 sizeof(struct fileEntry)), 88 sizeof(struct fileEntry)),
89 dir->i_sb->s_blocksize, 89 dir->i_sb->s_blocksize, &(fibh->eoffset));
90 &(fibh->eoffset));
91
92 if (!fi) 90 if (!fi)
93 return NULL; 91 return NULL;
94 92
95 *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); 93 *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
96 94
97 memcpy((uint8_t *) cfi, (uint8_t *) fi, 95 memcpy((uint8_t *)cfi, (uint8_t *)fi,
98 sizeof(struct fileIdentDesc)); 96 sizeof(struct fileIdentDesc));
99 97
100 return fi; 98 return fi;
@@ -121,21 +119,14 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
121 return NULL; 119 return NULL;
122 fibh->soffset = fibh->eoffset = 0; 120 fibh->soffset = fibh->eoffset = 0;
123 121
124 if (! 122 if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
125 (*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1)))
126 {
127 i = 16 >> (dir->i_sb->s_blocksize_bits - 9); 123 i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
128 if (i + *offset > 124 if (i + *offset > (*elen >> dir->i_sb->s_blocksize_bits))
129 (*elen >> dir->i_sb->s_blocksize_bits)) 125 i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset;
130 i = (*elen >> dir->i_sb->s_blocksize_bits) -
131 *offset;
132 for (num = 0; i > 0; i--) { 126 for (num = 0; i > 0; i--) {
133 block = 127 block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset + i);
134 udf_get_lb_pblock(dir->i_sb, *eloc,
135 *offset + i);
136 tmp = udf_tgetblk(dir->i_sb, block); 128 tmp = udf_tgetblk(dir->i_sb, block);
137 if (tmp && !buffer_uptodate(tmp) 129 if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
138 && !buffer_locked(tmp))
139 bha[num++] = tmp; 130 bha[num++] = tmp;
140 else 131 else
141 brelse(tmp); 132 brelse(tmp);
@@ -160,7 +151,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
160 *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); 151 *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
161 152
162 if (fibh->eoffset <= dir->i_sb->s_blocksize) { 153 if (fibh->eoffset <= dir->i_sb->s_blocksize) {
163 memcpy((uint8_t *) cfi, (uint8_t *) fi, 154 memcpy((uint8_t *)cfi, (uint8_t *)fi,
164 sizeof(struct fileIdentDesc)); 155 sizeof(struct fileIdentDesc));
165 } else if (fibh->eoffset > dir->i_sb->s_blocksize) { 156 } else if (fibh->eoffset > dir->i_sb->s_blocksize) {
166 int lextoffset = epos->offset; 157 int lextoffset = epos->offset;
@@ -187,21 +178,17 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
187 if (sizeof(struct fileIdentDesc) > -fibh->soffset) { 178 if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
188 int fi_len; 179 int fi_len;
189 180
190 memcpy((uint8_t *) cfi, (uint8_t *) fi, -fibh->soffset); 181 memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset);
191 memcpy((uint8_t *) cfi - fibh->soffset, 182 memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data,
192 fibh->ebh->b_data,
193 sizeof(struct fileIdentDesc) + fibh->soffset); 183 sizeof(struct fileIdentDesc) + fibh->soffset);
194 184
195 fi_len = 185 fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent +
196 (sizeof(struct fileIdentDesc) + 186 le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
197 cfi->lengthFileIdent +
198 le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
199 187
200 *nf_pos += 188 *nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
201 ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
202 fibh->eoffset = fibh->soffset + fi_len; 189 fibh->eoffset = fibh->soffset + fi_len;
203 } else { 190 } else {
204 memcpy((uint8_t *) cfi, (uint8_t *) fi, 191 memcpy((uint8_t *)cfi, (uint8_t *)fi,
205 sizeof(struct fileIdentDesc)); 192 sizeof(struct fileIdentDesc));
206 } 193 }
207 } 194 }
@@ -237,9 +224,10 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
237 } 224 }
238 if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) { 225 if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) {
239 lengthThisIdent = sizeof(struct fileIdentDesc); 226 lengthThisIdent = sizeof(struct fileIdentDesc);
240 } else 227 } else {
241 lengthThisIdent = sizeof(struct fileIdentDesc) + 228 lengthThisIdent = sizeof(struct fileIdentDesc) +
242 fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); 229 fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
230 }
243 231
244 /* we need to figure padding, too! */ 232 /* we need to figure padding, too! */
245 padlen = lengthThisIdent % UDF_NAME_PAD; 233 padlen = lengthThisIdent % UDF_NAME_PAD;
@@ -270,22 +258,20 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
270 return NULL; 258 return NULL;
271 } 259 }
272 260
273 ptr = 261 ptr = (uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr);
274 (uint8_t *) (fe->extendedAttr) +
275 le32_to_cpu(fe->lengthExtendedAttr);
276 262
277 if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) { 263 if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) {
278 ptr += *offset; 264 ptr += *offset;
279 } 265 }
280 266
281 ext = (extent_ad *) ptr; 267 ext = (extent_ad *)ptr;
282 268
283 *offset = *offset + sizeof(extent_ad); 269 *offset = *offset + sizeof(extent_ad);
284 return ext; 270 return ext;
285} 271}
286#endif 272#endif
287 273
288short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, 274short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset,
289 int inc) 275 int inc)
290{ 276{
291 short_ad *sa; 277 short_ad *sa;
@@ -297,7 +283,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset,
297 283
298 if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset)) 284 if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
299 return NULL; 285 return NULL;
300 else if ((sa = (short_ad *) ptr)->extLength == 0) 286 else if ((sa = (short_ad *)ptr)->extLength == 0)
301 return NULL; 287 return NULL;
302 288
303 if (inc) 289 if (inc)
@@ -305,7 +291,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset,
305 return sa; 291 return sa;
306} 292}
307 293
308long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc) 294long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc)
309{ 295{
310 long_ad *la; 296 long_ad *la;
311 297
@@ -316,7 +302,7 @@ long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc)
316 302
317 if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset)) 303 if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
318 return NULL; 304 return NULL;
319 else if ((la = (long_ad *) ptr)->extLength == 0) 305 else if ((la = (long_ad *)ptr)->extLength == 0)
320 return NULL; 306 return NULL;
321 307
322 if (inc) 308 if (inc)
diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h
index 294ce2daa03a..56387711589b 100644
--- a/fs/udf/ecma_167.h
+++ b/fs/udf/ecma_167.h
@@ -39,8 +39,8 @@
39 39
40/* Character set specification (ECMA 167r3 1/7.2.1) */ 40/* Character set specification (ECMA 167r3 1/7.2.1) */
41typedef struct { 41typedef struct {
42 uint8_t charSetType; 42 uint8_t charSetType;
43 uint8_t charSetInfo[63]; 43 uint8_t charSetInfo[63];
44} __attribute__ ((packed)) charspec; 44} __attribute__ ((packed)) charspec;
45 45
46/* Character Set Type (ECMA 167r3 1/7.2.1.1) */ 46/* Character Set Type (ECMA 167r3 1/7.2.1.1) */
@@ -54,33 +54,33 @@ typedef struct {
54#define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */ 54#define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */
55#define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */ 55#define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */
56 56
57typedef uint8_t dstring; 57typedef uint8_t dstring;
58 58
59/* Timestamp (ECMA 167r3 1/7.3) */ 59/* Timestamp (ECMA 167r3 1/7.3) */
60typedef struct { 60typedef struct {
61 __le16 typeAndTimezone; 61 __le16 typeAndTimezone;
62 __le16 year; 62 __le16 year;
63 uint8_t month; 63 uint8_t month;
64 uint8_t day; 64 uint8_t day;
65 uint8_t hour; 65 uint8_t hour;
66 uint8_t minute; 66 uint8_t minute;
67 uint8_t second; 67 uint8_t second;
68 uint8_t centiseconds; 68 uint8_t centiseconds;
69 uint8_t hundredsOfMicroseconds; 69 uint8_t hundredsOfMicroseconds;
70 uint8_t microseconds; 70 uint8_t microseconds;
71} __attribute__ ((packed)) timestamp; 71} __attribute__ ((packed)) timestamp;
72 72
73typedef struct { 73typedef struct {
74 uint16_t typeAndTimezone; 74 uint16_t typeAndTimezone;
75 int16_t year; 75 int16_t year;
76 uint8_t month; 76 uint8_t month;
77 uint8_t day; 77 uint8_t day;
78 uint8_t hour; 78 uint8_t hour;
79 uint8_t minute; 79 uint8_t minute;
80 uint8_t second; 80 uint8_t second;
81 uint8_t centiseconds; 81 uint8_t centiseconds;
82 uint8_t hundredsOfMicroseconds; 82 uint8_t hundredsOfMicroseconds;
83 uint8_t microseconds; 83 uint8_t microseconds;
84} __attribute__ ((packed)) kernel_timestamp; 84} __attribute__ ((packed)) kernel_timestamp;
85 85
86/* Type and Time Zone (ECMA 167r3 1/7.3.1) */ 86/* Type and Time Zone (ECMA 167r3 1/7.3.1) */
@@ -92,9 +92,9 @@ typedef struct {
92 92
93/* Entity identifier (ECMA 167r3 1/7.4) */ 93/* Entity identifier (ECMA 167r3 1/7.4) */
94typedef struct { 94typedef struct {
95 uint8_t flags; 95 uint8_t flags;
96 uint8_t ident[23]; 96 uint8_t ident[23];
97 uint8_t identSuffix[8]; 97 uint8_t identSuffix[8];
98} __attribute__ ((packed)) regid; 98} __attribute__ ((packed)) regid;
99 99
100/* Flags (ECMA 167r3 1/7.4.1) */ 100/* Flags (ECMA 167r3 1/7.4.1) */
@@ -104,10 +104,10 @@ typedef struct {
104/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */ 104/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
105#define VSD_STD_ID_LEN 5 105#define VSD_STD_ID_LEN 5
106struct volStructDesc { 106struct volStructDesc {
107 uint8_t structType; 107 uint8_t structType;
108 uint8_t stdIdent[VSD_STD_ID_LEN]; 108 uint8_t stdIdent[VSD_STD_ID_LEN];
109 uint8_t structVersion; 109 uint8_t structVersion;
110 uint8_t structData[2041]; 110 uint8_t structData[2041];
111} __attribute__ ((packed)); 111} __attribute__ ((packed));
112 112
113/* Standard Identifier (EMCA 167r2 2/9.1.2) */ 113/* Standard Identifier (EMCA 167r2 2/9.1.2) */
@@ -123,36 +123,36 @@ struct volStructDesc {
123 123
124/* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */ 124/* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */
125struct beginningExtendedAreaDesc { 125struct beginningExtendedAreaDesc {
126 uint8_t structType; 126 uint8_t structType;
127 uint8_t stdIdent[VSD_STD_ID_LEN]; 127 uint8_t stdIdent[VSD_STD_ID_LEN];
128 uint8_t structVersion; 128 uint8_t structVersion;
129 uint8_t structData[2041]; 129 uint8_t structData[2041];
130} __attribute__ ((packed)); 130} __attribute__ ((packed));
131 131
132/* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */ 132/* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */
133struct terminatingExtendedAreaDesc { 133struct terminatingExtendedAreaDesc {
134 uint8_t structType; 134 uint8_t structType;
135 uint8_t stdIdent[VSD_STD_ID_LEN]; 135 uint8_t stdIdent[VSD_STD_ID_LEN];
136 uint8_t structVersion; 136 uint8_t structVersion;
137 uint8_t structData[2041]; 137 uint8_t structData[2041];
138} __attribute__ ((packed)); 138} __attribute__ ((packed));
139 139
140/* Boot Descriptor (ECMA 167r3 2/9.4) */ 140/* Boot Descriptor (ECMA 167r3 2/9.4) */
141struct bootDesc { 141struct bootDesc {
142 uint8_t structType; 142 uint8_t structType;
143 uint8_t stdIdent[VSD_STD_ID_LEN]; 143 uint8_t stdIdent[VSD_STD_ID_LEN];
144 uint8_t structVersion; 144 uint8_t structVersion;
145 uint8_t reserved1; 145 uint8_t reserved1;
146 regid archType; 146 regid archType;
147 regid bootIdent; 147 regid bootIdent;
148 __le32 bootExtLocation; 148 __le32 bootExtLocation;
149 __le32 bootExtLength; 149 __le32 bootExtLength;
150 __le64 loadAddress; 150 __le64 loadAddress;
151 __le64 startAddress; 151 __le64 startAddress;
152 timestamp descCreationDateAndTime; 152 timestamp descCreationDateAndTime;
153 __le16 flags; 153 __le16 flags;
154 uint8_t reserved2[32]; 154 uint8_t reserved2[32];
155 uint8_t bootUse[1906]; 155 uint8_t bootUse[1906];
156} __attribute__ ((packed)); 156} __attribute__ ((packed));
157 157
158/* Flags (ECMA 167r3 2/9.4.12) */ 158/* Flags (ECMA 167r3 2/9.4.12) */
@@ -160,25 +160,25 @@ struct bootDesc {
160 160
161/* Extent Descriptor (ECMA 167r3 3/7.1) */ 161/* Extent Descriptor (ECMA 167r3 3/7.1) */
162typedef struct { 162typedef struct {
163 __le32 extLength; 163 __le32 extLength;
164 __le32 extLocation; 164 __le32 extLocation;
165} __attribute__ ((packed)) extent_ad; 165} __attribute__ ((packed)) extent_ad;
166 166
167typedef struct { 167typedef struct {
168 uint32_t extLength; 168 uint32_t extLength;
169 uint32_t extLocation; 169 uint32_t extLocation;
170} kernel_extent_ad; 170} kernel_extent_ad;
171 171
172/* Descriptor Tag (ECMA 167r3 3/7.2) */ 172/* Descriptor Tag (ECMA 167r3 3/7.2) */
173typedef struct { 173typedef struct {
174 __le16 tagIdent; 174 __le16 tagIdent;
175 __le16 descVersion; 175 __le16 descVersion;
176 uint8_t tagChecksum; 176 uint8_t tagChecksum;
177 uint8_t reserved; 177 uint8_t reserved;
178 __le16 tagSerialNum; 178 __le16 tagSerialNum;
179 __le16 descCRC; 179 __le16 descCRC;
180 __le16 descCRCLength; 180 __le16 descCRCLength;
181 __le32 tagLocation; 181 __le32 tagLocation;
182} __attribute__ ((packed)) tag; 182} __attribute__ ((packed)) tag;
183 183
184/* Tag Identifier (ECMA 167r3 3/7.2.1) */ 184/* Tag Identifier (ECMA 167r3 3/7.2.1) */
@@ -194,37 +194,37 @@ typedef struct {
194 194
195/* NSR Descriptor (ECMA 167r3 3/9.1) */ 195/* NSR Descriptor (ECMA 167r3 3/9.1) */
196struct NSRDesc { 196struct NSRDesc {
197 uint8_t structType; 197 uint8_t structType;
198 uint8_t stdIdent[VSD_STD_ID_LEN]; 198 uint8_t stdIdent[VSD_STD_ID_LEN];
199 uint8_t structVersion; 199 uint8_t structVersion;
200 uint8_t reserved; 200 uint8_t reserved;
201 uint8_t structData[2040]; 201 uint8_t structData[2040];
202} __attribute__ ((packed)); 202} __attribute__ ((packed));
203 203
204/* Primary Volume Descriptor (ECMA 167r3 3/10.1) */ 204/* Primary Volume Descriptor (ECMA 167r3 3/10.1) */
205struct primaryVolDesc { 205struct primaryVolDesc {
206 tag descTag; 206 tag descTag;
207 __le32 volDescSeqNum; 207 __le32 volDescSeqNum;
208 __le32 primaryVolDescNum; 208 __le32 primaryVolDescNum;
209 dstring volIdent[32]; 209 dstring volIdent[32];
210 __le16 volSeqNum; 210 __le16 volSeqNum;
211 __le16 maxVolSeqNum; 211 __le16 maxVolSeqNum;
212 __le16 interchangeLvl; 212 __le16 interchangeLvl;
213 __le16 maxInterchangeLvl; 213 __le16 maxInterchangeLvl;
214 __le32 charSetList; 214 __le32 charSetList;
215 __le32 maxCharSetList; 215 __le32 maxCharSetList;
216 dstring volSetIdent[128]; 216 dstring volSetIdent[128];
217 charspec descCharSet; 217 charspec descCharSet;
218 charspec explanatoryCharSet; 218 charspec explanatoryCharSet;
219 extent_ad volAbstract; 219 extent_ad volAbstract;
220 extent_ad volCopyright; 220 extent_ad volCopyright;
221 regid appIdent; 221 regid appIdent;
222 timestamp recordingDateAndTime; 222 timestamp recordingDateAndTime;
223 regid impIdent; 223 regid impIdent;
224 uint8_t impUse[64]; 224 uint8_t impUse[64];
225 __le32 predecessorVolDescSeqLocation; 225 __le32 predecessorVolDescSeqLocation;
226 __le16 flags; 226 __le16 flags;
227 uint8_t reserved[22]; 227 uint8_t reserved[22];
228} __attribute__ ((packed)); 228} __attribute__ ((packed));
229 229
230/* Flags (ECMA 167r3 3/10.1.21) */ 230/* Flags (ECMA 167r3 3/10.1.21) */
@@ -232,26 +232,26 @@ struct primaryVolDesc {
232 232
233/* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */ 233/* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */
234struct anchorVolDescPtr { 234struct anchorVolDescPtr {
235 tag descTag; 235 tag descTag;
236 extent_ad mainVolDescSeqExt; 236 extent_ad mainVolDescSeqExt;
237 extent_ad reserveVolDescSeqExt; 237 extent_ad reserveVolDescSeqExt;
238 uint8_t reserved[480]; 238 uint8_t reserved[480];
239} __attribute__ ((packed)); 239} __attribute__ ((packed));
240 240
241/* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */ 241/* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */
242struct volDescPtr { 242struct volDescPtr {
243 tag descTag; 243 tag descTag;
244 __le32 volDescSeqNum; 244 __le32 volDescSeqNum;
245 extent_ad nextVolDescSeqExt; 245 extent_ad nextVolDescSeqExt;
246 uint8_t reserved[484]; 246 uint8_t reserved[484];
247} __attribute__ ((packed)); 247} __attribute__ ((packed));
248 248
249/* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */ 249/* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */
250struct impUseVolDesc { 250struct impUseVolDesc {
251 tag descTag; 251 tag descTag;
252 __le32 volDescSeqNum; 252 __le32 volDescSeqNum;
253 regid impIdent; 253 regid impIdent;
254 uint8_t impUse[460]; 254 uint8_t impUse[460];
255} __attribute__ ((packed)); 255} __attribute__ ((packed));
256 256
257/* Partition Descriptor (ECMA 167r3 3/10.5) */ 257/* Partition Descriptor (ECMA 167r3 3/10.5) */
@@ -291,26 +291,26 @@ struct partitionDesc {
291 291
292/* Logical Volume Descriptor (ECMA 167r3 3/10.6) */ 292/* Logical Volume Descriptor (ECMA 167r3 3/10.6) */
293struct logicalVolDesc { 293struct logicalVolDesc {
294 tag descTag; 294 tag descTag;
295 __le32 volDescSeqNum; 295 __le32 volDescSeqNum;
296 charspec descCharSet; 296 charspec descCharSet;
297 dstring logicalVolIdent[128]; 297 dstring logicalVolIdent[128];
298 __le32 logicalBlockSize; 298 __le32 logicalBlockSize;
299 regid domainIdent; 299 regid domainIdent;
300 uint8_t logicalVolContentsUse[16]; 300 uint8_t logicalVolContentsUse[16];
301 __le32 mapTableLength; 301 __le32 mapTableLength;
302 __le32 numPartitionMaps; 302 __le32 numPartitionMaps;
303 regid impIdent; 303 regid impIdent;
304 uint8_t impUse[128]; 304 uint8_t impUse[128];
305 extent_ad integritySeqExt; 305 extent_ad integritySeqExt;
306 uint8_t partitionMaps[0]; 306 uint8_t partitionMaps[0];
307} __attribute__ ((packed)); 307} __attribute__ ((packed));
308 308
309/* Generic Partition Map (ECMA 167r3 3/10.7.1) */ 309/* Generic Partition Map (ECMA 167r3 3/10.7.1) */
310struct genericPartitionMap { 310struct genericPartitionMap {
311 uint8_t partitionMapType; 311 uint8_t partitionMapType;
312 uint8_t partitionMapLength; 312 uint8_t partitionMapLength;
313 uint8_t partitionMapping[0]; 313 uint8_t partitionMapping[0];
314} __attribute__ ((packed)); 314} __attribute__ ((packed));
315 315
316/* Partition Map Type (ECMA 167r3 3/10.7.1.1) */ 316/* Partition Map Type (ECMA 167r3 3/10.7.1.1) */
@@ -320,45 +320,45 @@ struct genericPartitionMap {
320 320
321/* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */ 321/* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */
322struct genericPartitionMap1 { 322struct genericPartitionMap1 {
323 uint8_t partitionMapType; 323 uint8_t partitionMapType;
324 uint8_t partitionMapLength; 324 uint8_t partitionMapLength;
325 __le16 volSeqNum; 325 __le16 volSeqNum;
326 __le16 partitionNum; 326 __le16 partitionNum;
327} __attribute__ ((packed)); 327} __attribute__ ((packed));
328 328
329/* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */ 329/* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */
330struct genericPartitionMap2 { 330struct genericPartitionMap2 {
331 uint8_t partitionMapType; 331 uint8_t partitionMapType;
332 uint8_t partitionMapLength; 332 uint8_t partitionMapLength;
333 uint8_t partitionIdent[62]; 333 uint8_t partitionIdent[62];
334} __attribute__ ((packed)); 334} __attribute__ ((packed));
335 335
336/* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */ 336/* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */
337struct unallocSpaceDesc { 337struct unallocSpaceDesc {
338 tag descTag; 338 tag descTag;
339 __le32 volDescSeqNum; 339 __le32 volDescSeqNum;
340 __le32 numAllocDescs; 340 __le32 numAllocDescs;
341 extent_ad allocDescs[0]; 341 extent_ad allocDescs[0];
342} __attribute__ ((packed)); 342} __attribute__ ((packed));
343 343
344/* Terminating Descriptor (ECMA 167r3 3/10.9) */ 344/* Terminating Descriptor (ECMA 167r3 3/10.9) */
345struct terminatingDesc { 345struct terminatingDesc {
346 tag descTag; 346 tag descTag;
347 uint8_t reserved[496]; 347 uint8_t reserved[496];
348} __attribute__ ((packed)); 348} __attribute__ ((packed));
349 349
350/* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */ 350/* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */
351struct logicalVolIntegrityDesc { 351struct logicalVolIntegrityDesc {
352 tag descTag; 352 tag descTag;
353 timestamp recordingDateAndTime; 353 timestamp recordingDateAndTime;
354 __le32 integrityType; 354 __le32 integrityType;
355 extent_ad nextIntegrityExt; 355 extent_ad nextIntegrityExt;
356 uint8_t logicalVolContentsUse[32]; 356 uint8_t logicalVolContentsUse[32];
357 __le32 numOfPartitions; 357 __le32 numOfPartitions;
358 __le32 lengthOfImpUse; 358 __le32 lengthOfImpUse;
359 __le32 freeSpaceTable[0]; 359 __le32 freeSpaceTable[0];
360 __le32 sizeTable[0]; 360 __le32 sizeTable[0];
361 uint8_t impUse[0]; 361 uint8_t impUse[0];
362} __attribute__ ((packed)); 362} __attribute__ ((packed));
363 363
364/* Integrity Type (ECMA 167r3 3/10.10.3) */ 364/* Integrity Type (ECMA 167r3 3/10.10.3) */
@@ -367,48 +367,48 @@ struct logicalVolIntegrityDesc {
367 367
368/* Recorded Address (ECMA 167r3 4/7.1) */ 368/* Recorded Address (ECMA 167r3 4/7.1) */
369typedef struct { 369typedef struct {
370 __le32 logicalBlockNum; 370 __le32 logicalBlockNum;
371 __le16 partitionReferenceNum; 371 __le16 partitionReferenceNum;
372} __attribute__ ((packed)) lb_addr; 372} __attribute__ ((packed)) lb_addr;
373 373
374/* ... and its in-core analog */ 374/* ... and its in-core analog */
375typedef struct { 375typedef struct {
376 uint32_t logicalBlockNum; 376 uint32_t logicalBlockNum;
377 uint16_t partitionReferenceNum; 377 uint16_t partitionReferenceNum;
378} kernel_lb_addr; 378} kernel_lb_addr;
379 379
380/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ 380/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
381typedef struct { 381typedef struct {
382 __le32 extLength; 382 __le32 extLength;
383 __le32 extPosition; 383 __le32 extPosition;
384} __attribute__ ((packed)) short_ad; 384} __attribute__ ((packed)) short_ad;
385 385
386/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */ 386/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
387typedef struct { 387typedef struct {
388 __le32 extLength; 388 __le32 extLength;
389 lb_addr extLocation; 389 lb_addr extLocation;
390 uint8_t impUse[6]; 390 uint8_t impUse[6];
391} __attribute__ ((packed)) long_ad; 391} __attribute__ ((packed)) long_ad;
392 392
393typedef struct { 393typedef struct {
394 uint32_t extLength; 394 uint32_t extLength;
395 kernel_lb_addr extLocation; 395 kernel_lb_addr extLocation;
396 uint8_t impUse[6]; 396 uint8_t impUse[6];
397} kernel_long_ad; 397} kernel_long_ad;
398 398
399/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */ 399/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
400typedef struct { 400typedef struct {
401 __le32 extLength; 401 __le32 extLength;
402 __le32 recordedLength; 402 __le32 recordedLength;
403 __le32 informationLength; 403 __le32 informationLength;
404 lb_addr extLocation; 404 lb_addr extLocation;
405} __attribute__ ((packed)) ext_ad; 405} __attribute__ ((packed)) ext_ad;
406 406
407typedef struct { 407typedef struct {
408 uint32_t extLength; 408 uint32_t extLength;
409 uint32_t recordedLength; 409 uint32_t recordedLength;
410 uint32_t informationLength; 410 uint32_t informationLength;
411 kernel_lb_addr extLocation; 411 kernel_lb_addr extLocation;
412} kernel_ext_ad; 412} kernel_ext_ad;
413 413
414/* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */ 414/* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */
@@ -428,48 +428,48 @@ typedef struct {
428 428
429/* File Set Descriptor (ECMA 167r3 4/14.1) */ 429/* File Set Descriptor (ECMA 167r3 4/14.1) */
430struct fileSetDesc { 430struct fileSetDesc {
431 tag descTag; 431 tag descTag;
432 timestamp recordingDateAndTime; 432 timestamp recordingDateAndTime;
433 __le16 interchangeLvl; 433 __le16 interchangeLvl;
434 __le16 maxInterchangeLvl; 434 __le16 maxInterchangeLvl;
435 __le32 charSetList; 435 __le32 charSetList;
436 __le32 maxCharSetList; 436 __le32 maxCharSetList;
437 __le32 fileSetNum; 437 __le32 fileSetNum;
438 __le32 fileSetDescNum; 438 __le32 fileSetDescNum;
439 charspec logicalVolIdentCharSet; 439 charspec logicalVolIdentCharSet;
440 dstring logicalVolIdent[128]; 440 dstring logicalVolIdent[128];
441 charspec fileSetCharSet; 441 charspec fileSetCharSet;
442 dstring fileSetIdent[32]; 442 dstring fileSetIdent[32];
443 dstring copyrightFileIdent[32]; 443 dstring copyrightFileIdent[32];
444 dstring abstractFileIdent[32]; 444 dstring abstractFileIdent[32];
445 long_ad rootDirectoryICB; 445 long_ad rootDirectoryICB;
446 regid domainIdent; 446 regid domainIdent;
447 long_ad nextExt; 447 long_ad nextExt;
448 long_ad streamDirectoryICB; 448 long_ad streamDirectoryICB;
449 uint8_t reserved[32]; 449 uint8_t reserved[32];
450} __attribute__ ((packed)); 450} __attribute__ ((packed));
451 451
452/* Partition Header Descriptor (ECMA 167r3 4/14.3) */ 452/* Partition Header Descriptor (ECMA 167r3 4/14.3) */
453struct partitionHeaderDesc { 453struct partitionHeaderDesc {
454 short_ad unallocSpaceTable; 454 short_ad unallocSpaceTable;
455 short_ad unallocSpaceBitmap; 455 short_ad unallocSpaceBitmap;
456 short_ad partitionIntegrityTable; 456 short_ad partitionIntegrityTable;
457 short_ad freedSpaceTable; 457 short_ad freedSpaceTable;
458 short_ad freedSpaceBitmap; 458 short_ad freedSpaceBitmap;
459 uint8_t reserved[88]; 459 uint8_t reserved[88];
460} __attribute__ ((packed)); 460} __attribute__ ((packed));
461 461
462/* File Identifier Descriptor (ECMA 167r3 4/14.4) */ 462/* File Identifier Descriptor (ECMA 167r3 4/14.4) */
463struct fileIdentDesc { 463struct fileIdentDesc {
464 tag descTag; 464 tag descTag;
465 __le16 fileVersionNum; 465 __le16 fileVersionNum;
466 uint8_t fileCharacteristics; 466 uint8_t fileCharacteristics;
467 uint8_t lengthFileIdent; 467 uint8_t lengthFileIdent;
468 long_ad icb; 468 long_ad icb;
469 __le16 lengthOfImpUse; 469 __le16 lengthOfImpUse;
470 uint8_t impUse[0]; 470 uint8_t impUse[0];
471 uint8_t fileIdent[0]; 471 uint8_t fileIdent[0];
472 uint8_t padding[0]; 472 uint8_t padding[0];
473} __attribute__ ((packed)); 473} __attribute__ ((packed));
474 474
475/* File Characteristics (ECMA 167r3 4/14.4.3) */ 475/* File Characteristics (ECMA 167r3 4/14.4.3) */
@@ -481,21 +481,21 @@ struct fileIdentDesc {
481 481
482/* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */ 482/* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */
483struct allocExtDesc { 483struct allocExtDesc {
484 tag descTag; 484 tag descTag;
485 __le32 previousAllocExtLocation; 485 __le32 previousAllocExtLocation;
486 __le32 lengthAllocDescs; 486 __le32 lengthAllocDescs;
487} __attribute__ ((packed)); 487} __attribute__ ((packed));
488 488
489/* ICB Tag (ECMA 167r3 4/14.6) */ 489/* ICB Tag (ECMA 167r3 4/14.6) */
490typedef struct { 490typedef struct {
491 __le32 priorRecordedNumDirectEntries; 491 __le32 priorRecordedNumDirectEntries;
492 __le16 strategyType; 492 __le16 strategyType;
493 __le16 strategyParameter; 493 __le16 strategyParameter;
494 __le16 numEntries; 494 __le16 numEntries;
495 uint8_t reserved; 495 uint8_t reserved;
496 uint8_t fileType; 496 uint8_t fileType;
497 lb_addr parentICBLocation; 497 lb_addr parentICBLocation;
498 __le16 flags; 498 __le16 flags;
499} __attribute__ ((packed)) icbtag; 499} __attribute__ ((packed)) icbtag;
500 500
501/* Strategy Type (ECMA 167r3 4/14.6.2) */ 501/* Strategy Type (ECMA 167r3 4/14.6.2) */
@@ -541,41 +541,41 @@ typedef struct {
541 541
542/* Indirect Entry (ECMA 167r3 4/14.7) */ 542/* Indirect Entry (ECMA 167r3 4/14.7) */
543struct indirectEntry { 543struct indirectEntry {
544 tag descTag; 544 tag descTag;
545 icbtag icbTag; 545 icbtag icbTag;
546 long_ad indirectICB; 546 long_ad indirectICB;
547} __attribute__ ((packed)); 547} __attribute__ ((packed));
548 548
549/* Terminal Entry (ECMA 167r3 4/14.8) */ 549/* Terminal Entry (ECMA 167r3 4/14.8) */
550struct terminalEntry { 550struct terminalEntry {
551 tag descTag; 551 tag descTag;
552 icbtag icbTag; 552 icbtag icbTag;
553} __attribute__ ((packed)); 553} __attribute__ ((packed));
554 554
555/* File Entry (ECMA 167r3 4/14.9) */ 555/* File Entry (ECMA 167r3 4/14.9) */
556struct fileEntry { 556struct fileEntry {
557 tag descTag; 557 tag descTag;
558 icbtag icbTag; 558 icbtag icbTag;
559 __le32 uid; 559 __le32 uid;
560 __le32 gid; 560 __le32 gid;
561 __le32 permissions; 561 __le32 permissions;
562 __le16 fileLinkCount; 562 __le16 fileLinkCount;
563 uint8_t recordFormat; 563 uint8_t recordFormat;
564 uint8_t recordDisplayAttr; 564 uint8_t recordDisplayAttr;
565 __le32 recordLength; 565 __le32 recordLength;
566 __le64 informationLength; 566 __le64 informationLength;
567 __le64 logicalBlocksRecorded; 567 __le64 logicalBlocksRecorded;
568 timestamp accessTime; 568 timestamp accessTime;
569 timestamp modificationTime; 569 timestamp modificationTime;
570 timestamp attrTime; 570 timestamp attrTime;
571 __le32 checkpoint; 571 __le32 checkpoint;
572 long_ad extendedAttrICB; 572 long_ad extendedAttrICB;
573 regid impIdent; 573 regid impIdent;
574 __le64 uniqueID; 574 __le64 uniqueID;
575 __le32 lengthExtendedAttr; 575 __le32 lengthExtendedAttr;
576 __le32 lengthAllocDescs; 576 __le32 lengthAllocDescs;
577 uint8_t extendedAttr[0]; 577 uint8_t extendedAttr[0];
578 uint8_t allocDescs[0]; 578 uint8_t allocDescs[0];
579} __attribute__ ((packed)); 579} __attribute__ ((packed));
580 580
581/* Permissions (ECMA 167r3 4/14.9.5) */ 581/* Permissions (ECMA 167r3 4/14.9.5) */
@@ -617,51 +617,51 @@ struct fileEntry {
617 617
618/* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */ 618/* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */
619struct extendedAttrHeaderDesc { 619struct extendedAttrHeaderDesc {
620 tag descTag; 620 tag descTag;
621 __le32 impAttrLocation; 621 __le32 impAttrLocation;
622 __le32 appAttrLocation; 622 __le32 appAttrLocation;
623} __attribute__ ((packed)); 623} __attribute__ ((packed));
624 624
625/* Generic Format (ECMA 167r3 4/14.10.2) */ 625/* Generic Format (ECMA 167r3 4/14.10.2) */
626struct genericFormat { 626struct genericFormat {
627 __le32 attrType; 627 __le32 attrType;
628 uint8_t attrSubtype; 628 uint8_t attrSubtype;
629 uint8_t reserved[3]; 629 uint8_t reserved[3];
630 __le32 attrLength; 630 __le32 attrLength;
631 uint8_t attrData[0]; 631 uint8_t attrData[0];
632} __attribute__ ((packed)); 632} __attribute__ ((packed));
633 633
634/* Character Set Information (ECMA 167r3 4/14.10.3) */ 634/* Character Set Information (ECMA 167r3 4/14.10.3) */
635struct charSetInfo { 635struct charSetInfo {
636 __le32 attrType; 636 __le32 attrType;
637 uint8_t attrSubtype; 637 uint8_t attrSubtype;
638 uint8_t reserved[3]; 638 uint8_t reserved[3];
639 __le32 attrLength; 639 __le32 attrLength;
640 __le32 escapeSeqLength; 640 __le32 escapeSeqLength;
641 uint8_t charSetType; 641 uint8_t charSetType;
642 uint8_t escapeSeq[0]; 642 uint8_t escapeSeq[0];
643} __attribute__ ((packed)); 643} __attribute__ ((packed));
644 644
645/* Alternate Permissions (ECMA 167r3 4/14.10.4) */ 645/* Alternate Permissions (ECMA 167r3 4/14.10.4) */
646struct altPerms { 646struct altPerms {
647 __le32 attrType; 647 __le32 attrType;
648 uint8_t attrSubtype; 648 uint8_t attrSubtype;
649 uint8_t reserved[3]; 649 uint8_t reserved[3];
650 __le32 attrLength; 650 __le32 attrLength;
651 __le16 ownerIdent; 651 __le16 ownerIdent;
652 __le16 groupIdent; 652 __le16 groupIdent;
653 __le16 permission; 653 __le16 permission;
654} __attribute__ ((packed)); 654} __attribute__ ((packed));
655 655
656/* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */ 656/* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */
657struct fileTimesExtAttr { 657struct fileTimesExtAttr {
658 __le32 attrType; 658 __le32 attrType;
659 uint8_t attrSubtype; 659 uint8_t attrSubtype;
660 uint8_t reserved[3]; 660 uint8_t reserved[3];
661 __le32 attrLength; 661 __le32 attrLength;
662 __le32 dataLength; 662 __le32 dataLength;
663 __le32 fileTimeExistence; 663 __le32 fileTimeExistence;
664 uint8_t fileTimes; 664 uint8_t fileTimes;
665} __attribute__ ((packed)); 665} __attribute__ ((packed));
666 666
667/* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */ 667/* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */
@@ -672,47 +672,47 @@ struct fileTimesExtAttr {
672 672
673/* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */ 673/* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */
674struct infoTimesExtAttr { 674struct infoTimesExtAttr {
675 __le32 attrType; 675 __le32 attrType;
676 uint8_t attrSubtype; 676 uint8_t attrSubtype;
677 uint8_t reserved[3]; 677 uint8_t reserved[3];
678 __le32 attrLength; 678 __le32 attrLength;
679 __le32 dataLength; 679 __le32 dataLength;
680 __le32 infoTimeExistence; 680 __le32 infoTimeExistence;
681 uint8_t infoTimes[0]; 681 uint8_t infoTimes[0];
682} __attribute__ ((packed)); 682} __attribute__ ((packed));
683 683
684/* Device Specification (ECMA 167r3 4/14.10.7) */ 684/* Device Specification (ECMA 167r3 4/14.10.7) */
685struct deviceSpec { 685struct deviceSpec {
686 __le32 attrType; 686 __le32 attrType;
687 uint8_t attrSubtype; 687 uint8_t attrSubtype;
688 uint8_t reserved[3]; 688 uint8_t reserved[3];
689 __le32 attrLength; 689 __le32 attrLength;
690 __le32 impUseLength; 690 __le32 impUseLength;
691 __le32 majorDeviceIdent; 691 __le32 majorDeviceIdent;
692 __le32 minorDeviceIdent; 692 __le32 minorDeviceIdent;
693 uint8_t impUse[0]; 693 uint8_t impUse[0];
694} __attribute__ ((packed)); 694} __attribute__ ((packed));
695 695
696/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */ 696/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
697struct impUseExtAttr { 697struct impUseExtAttr {
698 __le32 attrType; 698 __le32 attrType;
699 uint8_t attrSubtype; 699 uint8_t attrSubtype;
700 uint8_t reserved[3]; 700 uint8_t reserved[3];
701 __le32 attrLength; 701 __le32 attrLength;
702 __le32 impUseLength; 702 __le32 impUseLength;
703 regid impIdent; 703 regid impIdent;
704 uint8_t impUse[0]; 704 uint8_t impUse[0];
705} __attribute__ ((packed)); 705} __attribute__ ((packed));
706 706
707/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */ 707/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
708struct appUseExtAttr { 708struct appUseExtAttr {
709 __le32 attrType; 709 __le32 attrType;
710 uint8_t attrSubtype; 710 uint8_t attrSubtype;
711 uint8_t reserved[3]; 711 uint8_t reserved[3];
712 __le32 attrLength; 712 __le32 attrLength;
713 __le32 appUseLength; 713 __le32 appUseLength;
714 regid appIdent; 714 regid appIdent;
715 uint8_t appUse[0]; 715 uint8_t appUse[0];
716} __attribute__ ((packed)); 716} __attribute__ ((packed));
717 717
718#define EXTATTR_CHAR_SET 1 718#define EXTATTR_CHAR_SET 1
@@ -725,29 +725,29 @@ struct appUseExtAttr {
725 725
726/* Unallocated Space Entry (ECMA 167r3 4/14.11) */ 726/* Unallocated Space Entry (ECMA 167r3 4/14.11) */
727struct unallocSpaceEntry { 727struct unallocSpaceEntry {
728 tag descTag; 728 tag descTag;
729 icbtag icbTag; 729 icbtag icbTag;
730 __le32 lengthAllocDescs; 730 __le32 lengthAllocDescs;
731 uint8_t allocDescs[0]; 731 uint8_t allocDescs[0];
732} __attribute__ ((packed)); 732} __attribute__ ((packed));
733 733
734/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */ 734/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
735struct spaceBitmapDesc { 735struct spaceBitmapDesc {
736 tag descTag; 736 tag descTag;
737 __le32 numOfBits; 737 __le32 numOfBits;
738 __le32 numOfBytes; 738 __le32 numOfBytes;
739 uint8_t bitmap[0]; 739 uint8_t bitmap[0];
740} __attribute__ ((packed)); 740} __attribute__ ((packed));
741 741
742/* Partition Integrity Entry (ECMA 167r3 4/14.13) */ 742/* Partition Integrity Entry (ECMA 167r3 4/14.13) */
743struct partitionIntegrityEntry { 743struct partitionIntegrityEntry {
744 tag descTag; 744 tag descTag;
745 icbtag icbTag; 745 icbtag icbTag;
746 timestamp recordingDateAndTime; 746 timestamp recordingDateAndTime;
747 uint8_t integrityType; 747 uint8_t integrityType;
748 uint8_t reserved[175]; 748 uint8_t reserved[175];
749 regid impIdent; 749 regid impIdent;
750 uint8_t impUse[256]; 750 uint8_t impUse[256];
751} __attribute__ ((packed)); 751} __attribute__ ((packed));
752 752
753/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ 753/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
@@ -764,46 +764,46 @@ struct partitionIntegrityEntry {
764 764
765/* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */ 765/* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */
766struct logicalVolHeaderDesc { 766struct logicalVolHeaderDesc {
767 __le64 uniqueID; 767 __le64 uniqueID;
768 uint8_t reserved[24]; 768 uint8_t reserved[24];
769} __attribute__ ((packed)); 769} __attribute__ ((packed));
770 770
771/* Path Component (ECMA 167r3 4/14.16.1) */ 771/* Path Component (ECMA 167r3 4/14.16.1) */
772struct pathComponent { 772struct pathComponent {
773 uint8_t componentType; 773 uint8_t componentType;
774 uint8_t lengthComponentIdent; 774 uint8_t lengthComponentIdent;
775 __le16 componentFileVersionNum; 775 __le16 componentFileVersionNum;
776 dstring componentIdent[0]; 776 dstring componentIdent[0];
777} __attribute__ ((packed)); 777} __attribute__ ((packed));
778 778
779/* File Entry (ECMA 167r3 4/14.17) */ 779/* File Entry (ECMA 167r3 4/14.17) */
780struct extendedFileEntry { 780struct extendedFileEntry {
781 tag descTag; 781 tag descTag;
782 icbtag icbTag; 782 icbtag icbTag;
783 __le32 uid; 783 __le32 uid;
784 __le32 gid; 784 __le32 gid;
785 __le32 permissions; 785 __le32 permissions;
786 __le16 fileLinkCount; 786 __le16 fileLinkCount;
787 uint8_t recordFormat; 787 uint8_t recordFormat;
788 uint8_t recordDisplayAttr; 788 uint8_t recordDisplayAttr;
789 __le32 recordLength; 789 __le32 recordLength;
790 __le64 informationLength; 790 __le64 informationLength;
791 __le64 objectSize; 791 __le64 objectSize;
792 __le64 logicalBlocksRecorded; 792 __le64 logicalBlocksRecorded;
793 timestamp accessTime; 793 timestamp accessTime;
794 timestamp modificationTime; 794 timestamp modificationTime;
795 timestamp createTime; 795 timestamp createTime;
796 timestamp attrTime; 796 timestamp attrTime;
797 __le32 checkpoint; 797 __le32 checkpoint;
798 __le32 reserved; 798 __le32 reserved;
799 long_ad extendedAttrICB; 799 long_ad extendedAttrICB;
800 long_ad streamDirectoryICB; 800 long_ad streamDirectoryICB;
801 regid impIdent; 801 regid impIdent;
802 __le64 uniqueID; 802 __le64 uniqueID;
803 __le32 lengthExtendedAttr; 803 __le32 lengthExtendedAttr;
804 __le32 lengthAllocDescs; 804 __le32 lengthAllocDescs;
805 uint8_t extendedAttr[0]; 805 uint8_t extendedAttr[0];
806 uint8_t allocDescs[0]; 806 uint8_t allocDescs[0];
807} __attribute__ ((packed)); 807} __attribute__ ((packed));
808 808
809#endif /* _ECMA_167_H */ 809#endif /* _ECMA_167_H */
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 67bf36bd3e6e..5d7a4ea27753 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -30,7 +30,7 @@
30#include <linux/udf_fs.h> 30#include <linux/udf_fs.h>
31#include <asm/uaccess.h> 31#include <asm/uaccess.h>
32#include <linux/kernel.h> 32#include <linux/kernel.h>
33#include <linux/string.h> /* memset */ 33#include <linux/string.h> /* memset */
34#include <linux/capability.h> 34#include <linux/capability.h>
35#include <linux/errno.h> 35#include <linux/errno.h>
36#include <linux/smp_lock.h> 36#include <linux/smp_lock.h>
@@ -55,11 +55,11 @@ static int udf_adinicb_readpage(struct file *file, struct page *page)
55 SetPageUptodate(page); 55 SetPageUptodate(page);
56 kunmap(page); 56 kunmap(page);
57 unlock_page(page); 57 unlock_page(page);
58
58 return 0; 59 return 0;
59} 60}
60 61
61static int udf_adinicb_writepage(struct page *page, 62static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc)
62 struct writeback_control *wbc)
63{ 63{
64 struct inode *inode = page->mapping->host; 64 struct inode *inode = page->mapping->host;
65 char *kaddr; 65 char *kaddr;
@@ -72,6 +72,7 @@ static int udf_adinicb_writepage(struct page *page,
72 SetPageUptodate(page); 72 SetPageUptodate(page);
73 kunmap(page); 73 kunmap(page);
74 unlock_page(page); 74 unlock_page(page);
75
75 return 0; 76 return 0;
76} 77}
77 78
@@ -100,11 +101,11 @@ static int udf_adinicb_commit_write(struct file *file, struct page *page,
100} 101}
101 102
102const struct address_space_operations udf_adinicb_aops = { 103const struct address_space_operations udf_adinicb_aops = {
103 .readpage = udf_adinicb_readpage, 104 .readpage = udf_adinicb_readpage,
104 .writepage = udf_adinicb_writepage, 105 .writepage = udf_adinicb_writepage,
105 .sync_page = block_sync_page, 106 .sync_page = block_sync_page,
106 .prepare_write = udf_adinicb_prepare_write, 107 .prepare_write = udf_adinicb_prepare_write,
107 .commit_write = udf_adinicb_commit_write, 108 .commit_write = udf_adinicb_commit_write,
108}; 109};
109 110
110static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, 111static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
@@ -122,8 +123,8 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
122 else 123 else
123 pos = ppos; 124 pos = ppos;
124 125
125 if (inode->i_sb->s_blocksize < 126 if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
126 (udf_file_entry_alloc_offset(inode) + pos + count)) { 127 pos + count)) {
127 udf_expand_file_adinicb(inode, pos + count, &err); 128 udf_expand_file_adinicb(inode, pos + count, &err);
128 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 129 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
129 udf_debug("udf_expand_adinicb: err=%d\n", err); 130 udf_debug("udf_expand_adinicb: err=%d\n", err);
@@ -138,9 +139,9 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
138 } 139 }
139 140
140 retval = generic_file_aio_write(iocb, iov, nr_segs, ppos); 141 retval = generic_file_aio_write(iocb, iov, nr_segs, ppos);
141
142 if (retval > 0) 142 if (retval > 0)
143 mark_inode_dirty(inode); 143 mark_inode_dirty(inode);
144
144 return retval; 145 return retval;
145} 146}
146 147
@@ -181,10 +182,12 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
181int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, 182int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
182 unsigned long arg) 183 unsigned long arg)
183{ 184{
185 long old_block, new_block;
184 int result = -EINVAL; 186 int result = -EINVAL;
185 187
186 if (file_permission(filp, MAY_READ) != 0) { 188 if (file_permission(filp, MAY_READ) != 0) {
187 udf_debug("no permission to access inode %lu\n", inode->i_ino); 189 udf_debug("no permission to access inode %lu\n",
190 inode->i_ino);
188 return -EPERM; 191 return -EPERM;
189 } 192 }
190 193
@@ -196,26 +199,19 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
196 switch (cmd) { 199 switch (cmd) {
197 case UDF_GETVOLIDENT: 200 case UDF_GETVOLIDENT:
198 return copy_to_user((char __user *)arg, 201 return copy_to_user((char __user *)arg,
199 UDF_SB_VOLIDENT(inode->i_sb), 202 UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0;
200 32) ? -EFAULT : 0;
201 case UDF_RELOCATE_BLOCKS: 203 case UDF_RELOCATE_BLOCKS:
202 { 204 if (!capable(CAP_SYS_ADMIN))
203 long old, new; 205 return -EACCES;
204 206 if (get_user(old_block, (long __user *)arg))
205 if (!capable(CAP_SYS_ADMIN)) 207 return -EFAULT;
206 return -EACCES; 208 if ((result = udf_relocate_blocks(inode->i_sb,
207 if (get_user(old, (long __user *)arg)) 209 old_block, &new_block)) == 0)
208 return -EFAULT; 210 result = put_user(new_block, (long __user *)arg);
209 if ((result = udf_relocate_blocks(inode->i_sb, 211 return result;
210 old, &new)) == 0)
211 result = put_user(new, (long __user *)arg);
212
213 return result;
214 }
215 case UDF_GETEASIZE: 212 case UDF_GETEASIZE:
216 result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg); 213 result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg);
217 break; 214 break;
218
219 case UDF_GETEABLOCK: 215 case UDF_GETEABLOCK:
220 result = copy_to_user((char __user *)arg, UDF_I_DATA(inode), 216 result = copy_to_user((char __user *)arg, UDF_I_DATA(inode),
221 UDF_I_LENEATTR(inode)) ? -EFAULT : 0; 217 UDF_I_LENEATTR(inode)) ? -EFAULT : 0;
@@ -248,16 +244,16 @@ static int udf_release_file(struct inode *inode, struct file *filp)
248} 244}
249 245
250const struct file_operations udf_file_operations = { 246const struct file_operations udf_file_operations = {
251 .read = do_sync_read, 247 .read = do_sync_read,
252 .aio_read = generic_file_aio_read, 248 .aio_read = generic_file_aio_read,
253 .ioctl = udf_ioctl, 249 .ioctl = udf_ioctl,
254 .open = generic_file_open, 250 .open = generic_file_open,
255 .mmap = generic_file_mmap, 251 .mmap = generic_file_mmap,
256 .write = do_sync_write, 252 .write = do_sync_write,
257 .aio_write = udf_file_aio_write, 253 .aio_write = udf_file_aio_write,
258 .release = udf_release_file, 254 .release = udf_release_file,
259 .fsync = udf_fsync_file, 255 .fsync = udf_fsync_file,
260 .splice_read = generic_file_splice_read, 256 .splice_read = generic_file_splice_read,
261}; 257};
262 258
263const struct inode_operations udf_file_inode_operations = { 259const struct inode_operations udf_file_inode_operations = {
diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c
index 7f0901c4f1f1..b2c472b733b8 100644
--- a/fs/udf/fsync.c
+++ b/fs/udf/fsync.c
@@ -32,6 +32,7 @@ static int udf_fsync_inode(struct inode *, int);
32int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync) 32int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync)
33{ 33{
34 struct inode *inode = dentry->d_inode; 34 struct inode *inode = dentry->d_inode;
35
35 return udf_fsync_inode(inode, datasync); 36 return udf_fsync_inode(inode, datasync);
36} 37}
37 38
@@ -46,5 +47,6 @@ static int udf_fsync_inode(struct inode *inode, int datasync)
46 return err; 47 return err;
47 48
48 err |= udf_sync_inode(inode); 49 err |= udf_sync_inode(inode);
50
49 return err ? -EIO : 0; 51 return err ? -EIO : 0;
50} 52}
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 2eb503806bce..636d8f613929 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -46,12 +46,10 @@ void udf_free_inode(struct inode *inode)
46 if (sbi->s_lvidbh) { 46 if (sbi->s_lvidbh) {
47 if (S_ISDIR(inode->i_mode)) 47 if (S_ISDIR(inode->i_mode))
48 UDF_SB_LVIDIU(sb)->numDirs = 48 UDF_SB_LVIDIU(sb)->numDirs =
49 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) 49 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - 1);
50 - 1);
51 else 50 else
52 UDF_SB_LVIDIU(sb)->numFiles = 51 UDF_SB_LVIDIU(sb)->numFiles =
53 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) 52 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1);
54 - 1);
55 53
56 mark_buffer_dirty(sbi->s_lvidbh); 54 mark_buffer_dirty(sbi->s_lvidbh);
57 } 55 }
@@ -82,10 +80,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
82 UDF_I_NEXT_ALLOC_GOAL(inode) = 0; 80 UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
83 UDF_I_STRAT4096(inode) = 0; 81 UDF_I_STRAT4096(inode) = 0;
84 82
85 block = 83 block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum,
86 udf_new_block(dir->i_sb, NULL, 84 start, err);
87 UDF_I_LOCATION(dir).partitionReferenceNum, start,
88 err);
89 if (*err) { 85 if (*err) {
90 iput(inode); 86 iput(inode);
91 return NULL; 87 return NULL;
@@ -95,17 +91,13 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
95 if (UDF_SB_LVIDBH(sb)) { 91 if (UDF_SB_LVIDBH(sb)) {
96 struct logicalVolHeaderDesc *lvhd; 92 struct logicalVolHeaderDesc *lvhd;
97 uint64_t uniqueID; 93 uint64_t uniqueID;
98 lvhd = 94 lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse);
99 (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->
100 logicalVolContentsUse);
101 if (S_ISDIR(mode)) 95 if (S_ISDIR(mode))
102 UDF_SB_LVIDIU(sb)->numDirs = 96 UDF_SB_LVIDIU(sb)->numDirs =
103 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) 97 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) + 1);
104 + 1);
105 else 98 else
106 UDF_SB_LVIDIU(sb)->numFiles = 99 UDF_SB_LVIDIU(sb)->numFiles =
107 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) 100 cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1);
108 + 1);
109 UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID); 101 UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID);
110 if (!(++uniqueID & 0x00000000FFFFFFFFUL)) 102 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
111 uniqueID += 16; 103 uniqueID += 16;
@@ -118,12 +110,12 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
118 inode->i_gid = dir->i_gid; 110 inode->i_gid = dir->i_gid;
119 if (S_ISDIR(mode)) 111 if (S_ISDIR(mode))
120 mode |= S_ISGID; 112 mode |= S_ISGID;
121 } else 113 } else {
122 inode->i_gid = current->fsgid; 114 inode->i_gid = current->fsgid;
115 }
123 116
124 UDF_I_LOCATION(inode).logicalBlockNum = block; 117 UDF_I_LOCATION(inode).logicalBlockNum = block;
125 UDF_I_LOCATION(inode).partitionReferenceNum = 118 UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
126 UDF_I_LOCATION(dir).partitionReferenceNum;
127 inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0); 119 inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0);
128 inode->i_blocks = 0; 120 inode->i_blocks = 0;
129 UDF_I_LENEATTR(inode) = 0; 121 UDF_I_LENEATTR(inode) = 0;
@@ -132,14 +124,10 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
132 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) { 124 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
133 UDF_I_EFE(inode) = 1; 125 UDF_I_EFE(inode) = 1;
134 UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE); 126 UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
135 UDF_I_DATA(inode) = 127 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
136 kzalloc(inode->i_sb->s_blocksize -
137 sizeof(struct extendedFileEntry), GFP_KERNEL);
138 } else { 128 } else {
139 UDF_I_EFE(inode) = 0; 129 UDF_I_EFE(inode) = 0;
140 UDF_I_DATA(inode) = 130 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
141 kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry),
142 GFP_KERNEL);
143 } 131 }
144 if (!UDF_I_DATA(inode)) { 132 if (!UDF_I_DATA(inode)) {
145 iput(inode); 133 iput(inode);
@@ -154,7 +142,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
154 else 142 else
155 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG; 143 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG;
156 inode->i_mtime = inode->i_atime = inode->i_ctime = 144 inode->i_mtime = inode->i_atime = inode->i_ctime =
157 UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb); 145 UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb);
158 insert_inode_hash(inode); 146 insert_inode_hash(inode);
159 mark_inode_dirty(inode); 147 mark_inode_dirty(inode);
160 mutex_unlock(&sbi->s_alloc_mutex); 148 mutex_unlock(&sbi->s_alloc_mutex);
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index be6326f449a1..0d2c41666cd2 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -97,7 +97,8 @@ void udf_delete_inode(struct inode *inode)
97 97
98 unlock_kernel(); 98 unlock_kernel();
99 return; 99 return;
100 no_delete: 100
101no_delete:
101 clear_inode(inode); 102 clear_inode(inode);
102} 103}
103 104
@@ -144,12 +145,12 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block)
144} 145}
145 146
146const struct address_space_operations udf_aops = { 147const struct address_space_operations udf_aops = {
147 .readpage = udf_readpage, 148 .readpage = udf_readpage,
148 .writepage = udf_writepage, 149 .writepage = udf_writepage,
149 .sync_page = block_sync_page, 150 .sync_page = block_sync_page,
150 .prepare_write = udf_prepare_write, 151 .prepare_write = udf_prepare_write,
151 .commit_write = generic_commit_write, 152 .commit_write = generic_commit_write,
152 .bmap = udf_bmap, 153 .bmap = udf_bmap,
153}; 154};
154 155
155void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err) 156void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
@@ -230,12 +231,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
230 *block = udf_new_block(inode->i_sb, inode, 231 *block = udf_new_block(inode->i_sb, inode,
231 UDF_I_LOCATION(inode).partitionReferenceNum, 232 UDF_I_LOCATION(inode).partitionReferenceNum,
232 UDF_I_LOCATION(inode).logicalBlockNum, err); 233 UDF_I_LOCATION(inode).logicalBlockNum, err);
233
234 if (!(*block)) 234 if (!(*block))
235 return NULL; 235 return NULL;
236 newblock = udf_get_pblock(inode->i_sb, *block, 236 newblock = udf_get_pblock(inode->i_sb, *block,
237 UDF_I_LOCATION(inode).partitionReferenceNum, 237 UDF_I_LOCATION(inode).partitionReferenceNum, 0);
238 0);
239 if (!newblock) 238 if (!newblock)
240 return NULL; 239 return NULL;
241 dbh = udf_tgetblk(inode->i_sb, newblock); 240 dbh = udf_tgetblk(inode->i_sb, newblock);
@@ -247,16 +246,13 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
247 unlock_buffer(dbh); 246 unlock_buffer(dbh);
248 mark_buffer_dirty_inode(dbh, inode); 247 mark_buffer_dirty_inode(dbh, inode);
249 248
250 sfibh.soffset = sfibh.eoffset = 249 sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
251 (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
252 sfibh.sbh = sfibh.ebh = NULL; 250 sfibh.sbh = sfibh.ebh = NULL;
253 dfibh.soffset = dfibh.eoffset = 0; 251 dfibh.soffset = dfibh.eoffset = 0;
254 dfibh.sbh = dfibh.ebh = dbh; 252 dfibh.sbh = dfibh.ebh = dbh;
255 while ((f_pos < size)) { 253 while ((f_pos < size)) {
256 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; 254 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
257 sfi = 255 sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL);
258 udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL,
259 NULL, NULL);
260 if (!sfi) { 256 if (!sfi) {
261 brelse(dbh); 257 brelse(dbh);
262 return NULL; 258 return NULL;
@@ -267,8 +263,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
267 dfibh.eoffset += (sfibh.eoffset - sfibh.soffset); 263 dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
268 dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset); 264 dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset);
269 if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse, 265 if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
270 sfi->fileIdent + 266 sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) {
271 le16_to_cpu(sfi->lengthOfImpUse))) {
272 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; 267 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
273 brelse(dbh); 268 brelse(dbh);
274 return NULL; 269 return NULL;
@@ -276,12 +271,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
276 } 271 }
277 mark_buffer_dirty_inode(dbh, inode); 272 mark_buffer_dirty_inode(dbh, inode);
278 273
279 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, 274 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode));
280 UDF_I_LENALLOC(inode));
281 UDF_I_LENALLOC(inode) = 0; 275 UDF_I_LENALLOC(inode) = 0;
282 eloc.logicalBlockNum = *block; 276 eloc.logicalBlockNum = *block;
283 eloc.partitionReferenceNum = 277 eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
284 UDF_I_LOCATION(inode).partitionReferenceNum;
285 elen = inode->i_size; 278 elen = inode->i_size;
286 UDF_I_LENEXTENTS(inode) = elen; 279 UDF_I_LENEXTENTS(inode) = elen;
287 epos.bh = NULL; 280 epos.bh = NULL;
@@ -334,11 +327,12 @@ static int udf_get_block(struct inode *inode, sector_t block,
334 if (new) 327 if (new)
335 set_buffer_new(bh_result); 328 set_buffer_new(bh_result);
336 map_bh(bh_result, inode->i_sb, phys); 329 map_bh(bh_result, inode->i_sb, phys);
337 abort: 330
331abort:
338 unlock_kernel(); 332 unlock_kernel();
339 return err; 333 return err;
340 334
341 abort_negative: 335abort_negative:
342 udf_warning(inode->i_sb, "udf_get_block", "block < 0"); 336 udf_warning(inode->i_sb, "udf_get_block", "block < 0");
343 goto abort; 337 goto abort;
344} 338}
@@ -346,13 +340,13 @@ static int udf_get_block(struct inode *inode, sector_t block,
346static struct buffer_head *udf_getblk(struct inode *inode, long block, 340static struct buffer_head *udf_getblk(struct inode *inode, long block,
347 int create, int *err) 341 int create, int *err)
348{ 342{
343 struct buffer_head *bh;
349 struct buffer_head dummy; 344 struct buffer_head dummy;
350 345
351 dummy.b_state = 0; 346 dummy.b_state = 0;
352 dummy.b_blocknr = -1000; 347 dummy.b_blocknr = -1000;
353 *err = udf_get_block(inode, block, &dummy, create); 348 *err = udf_get_block(inode, block, &dummy, create);
354 if (!*err && buffer_mapped(&dummy)) { 349 if (!*err && buffer_mapped(&dummy)) {
355 struct buffer_head *bh;
356 bh = sb_getblk(inode->i_sb, dummy.b_blocknr); 350 bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
357 if (buffer_new(&dummy)) { 351 if (buffer_new(&dummy)) {
358 lock_buffer(bh); 352 lock_buffer(bh);
@@ -363,6 +357,7 @@ static struct buffer_head *udf_getblk(struct inode *inode, long block,
363 } 357 }
364 return bh; 358 return bh;
365 } 359 }
360
366 return NULL; 361 return NULL;
367} 362}
368 363
@@ -373,42 +368,41 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
373 sector_t add; 368 sector_t add;
374 int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); 369 int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
375 struct super_block *sb = inode->i_sb; 370 struct super_block *sb = inode->i_sb;
376 kernel_lb_addr prealloc_loc = { 0, 0 }; 371 kernel_lb_addr prealloc_loc = {};
377 int prealloc_len = 0; 372 int prealloc_len = 0;
378 373
379 /* The previous extent is fake and we should not extend by anything 374 /* The previous extent is fake and we should not extend by anything
380 * - there's nothing to do... */ 375 * - there's nothing to do... */
381 if (!blocks && fake) 376 if (!blocks && fake)
382 return 0; 377 return 0;
378
383 /* Round the last extent up to a multiple of block size */ 379 /* Round the last extent up to a multiple of block size */
384 if (last_ext->extLength & (sb->s_blocksize - 1)) { 380 if (last_ext->extLength & (sb->s_blocksize - 1)) {
385 last_ext->extLength = 381 last_ext->extLength =
386 (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | 382 (last_ext->extLength & UDF_EXTENT_FLAG_MASK) |
387 (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + 383 (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) +
388 sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); 384 sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
389 UDF_I_LENEXTENTS(inode) = 385 UDF_I_LENEXTENTS(inode) =
390 (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & 386 (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) &
391 ~(sb->s_blocksize - 1); 387 ~(sb->s_blocksize - 1);
392 } 388 }
389
393 /* Last extent are just preallocated blocks? */ 390 /* Last extent are just preallocated blocks? */
394 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == 391 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) {
395 EXT_NOT_RECORDED_ALLOCATED) {
396 /* Save the extent so that we can reattach it to the end */ 392 /* Save the extent so that we can reattach it to the end */
397 prealloc_loc = last_ext->extLocation; 393 prealloc_loc = last_ext->extLocation;
398 prealloc_len = last_ext->extLength; 394 prealloc_len = last_ext->extLength;
399 /* Mark the extent as a hole */ 395 /* Mark the extent as a hole */
400 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 396 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
401 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); 397 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
402 last_ext->extLocation.logicalBlockNum = 0; 398 last_ext->extLocation.logicalBlockNum = 0;
403 last_ext->extLocation.partitionReferenceNum = 0; 399 last_ext->extLocation.partitionReferenceNum = 0;
404 } 400 }
401
405 /* Can we merge with the previous extent? */ 402 /* Can we merge with the previous extent? */
406 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == 403 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) {
407 EXT_NOT_RECORDED_NOT_ALLOCATED) { 404 add = ((1 << 30) - sb->s_blocksize - (last_ext->extLength &
408 add = 405 UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits;
409 ((1 << 30) - sb->s_blocksize -
410 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) >> sb->
411 s_blocksize_bits;
412 if (add > blocks) 406 if (add > blocks)
413 add = blocks; 407 add = blocks;
414 blocks -= add; 408 blocks -= add;
@@ -419,19 +413,20 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
419 udf_add_aext(inode, last_pos, last_ext->extLocation, 413 udf_add_aext(inode, last_pos, last_ext->extLocation,
420 last_ext->extLength, 1); 414 last_ext->extLength, 1);
421 count++; 415 count++;
422 } else 416 } else {
423 udf_write_aext(inode, last_pos, last_ext->extLocation, 417 udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1);
424 last_ext->extLength, 1); 418 }
419
425 /* Managed to do everything necessary? */ 420 /* Managed to do everything necessary? */
426 if (!blocks) 421 if (!blocks)
427 goto out; 422 goto out;
428 423
429 /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ 424 /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */
430 last_ext->extLocation.logicalBlockNum = 0; 425 last_ext->extLocation.logicalBlockNum = 0;
431 last_ext->extLocation.partitionReferenceNum = 0; 426 last_ext->extLocation.partitionReferenceNum = 0;
432 add = (1 << (30 - sb->s_blocksize_bits)) - 1; 427 add = (1 << (30-sb->s_blocksize_bits)) - 1;
433 last_ext->extLength = 428 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits);
434 EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); 429
435 /* Create enough extents to cover the whole hole */ 430 /* Create enough extents to cover the whole hole */
436 while (blocks > add) { 431 while (blocks > add) {
437 blocks -= add; 432 blocks -= add;
@@ -442,22 +437,23 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
442 } 437 }
443 if (blocks) { 438 if (blocks) {
444 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 439 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
445 (blocks << sb->s_blocksize_bits); 440 (blocks << sb->s_blocksize_bits);
446 if (udf_add_aext(inode, last_pos, last_ext->extLocation, 441 if (udf_add_aext(inode, last_pos, last_ext->extLocation,
447 last_ext->extLength, 1) == -1) 442 last_ext->extLength, 1) == -1)
448 return -1; 443 return -1;
449 count++; 444 count++;
450 } 445 }
451 out: 446
447out:
452 /* Do we have some preallocated blocks saved? */ 448 /* Do we have some preallocated blocks saved? */
453 if (prealloc_len) { 449 if (prealloc_len) {
454 if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) 450 if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1)
455 == -1)
456 return -1; 451 return -1;
457 last_ext->extLocation = prealloc_loc; 452 last_ext->extLocation = prealloc_loc;
458 last_ext->extLength = prealloc_len; 453 last_ext->extLength = prealloc_len;
459 count++; 454 count++;
460 } 455 }
456
461 /* last_pos should point to the last written extent... */ 457 /* last_pos should point to the last written extent... */
462 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) 458 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
463 last_pos->offset -= sizeof(short_ad); 459 last_pos->offset -= sizeof(short_ad);
@@ -465,6 +461,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
465 last_pos->offset -= sizeof(long_ad); 461 last_pos->offset -= sizeof(long_ad);
466 else 462 else
467 return -1; 463 return -1;
464
468 return count; 465 return count;
469} 466}
470 467
@@ -490,7 +487,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
490 prev_epos.block = UDF_I_LOCATION(inode); 487 prev_epos.block = UDF_I_LOCATION(inode);
491 prev_epos.bh = NULL; 488 prev_epos.bh = NULL;
492 cur_epos = next_epos = prev_epos; 489 cur_epos = next_epos = prev_epos;
493 b_off = (loff_t) block << inode->i_sb->s_blocksize_bits; 490 b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;
494 491
495 /* find the extent which contains the block we are looking for. 492 /* find the extent which contains the block we are looking for.
496 alternate between laarr[0] and laarr[1] for locations of the 493 alternate between laarr[0] and laarr[1] for locations of the
@@ -515,8 +512,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
515 prev_epos.offset = cur_epos.offset; 512 prev_epos.offset = cur_epos.offset;
516 cur_epos.offset = next_epos.offset; 513 cur_epos.offset = next_epos.offset;
517 514
518 if ((etype = 515 if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1)
519 udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1)
520 break; 516 break;
521 517
522 c = !c; 518 c = !c;
@@ -526,8 +522,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
526 522
527 if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) 523 if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
528 pgoal = eloc.logicalBlockNum + 524 pgoal = eloc.logicalBlockNum +
529 ((elen + inode->i_sb->s_blocksize - 1) >> 525 ((elen + inode->i_sb->s_blocksize - 1) >>
530 inode->i_sb->s_blocksize_bits); 526 inode->i_sb->s_blocksize_bits);
531 527
532 count++; 528 count++;
533 } while (lbcount + elen <= b_off); 529 } while (lbcount + elen <= b_off);
@@ -547,8 +543,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
547 if (etype == (EXT_RECORDED_ALLOCATED >> 30)) { 543 if (etype == (EXT_RECORDED_ALLOCATED >> 30)) {
548 if (elen & (inode->i_sb->s_blocksize - 1)) { 544 if (elen & (inode->i_sb->s_blocksize - 1)) {
549 elen = EXT_RECORDED_ALLOCATED | 545 elen = EXT_RECORDED_ALLOCATED |
550 ((elen + inode->i_sb->s_blocksize - 1) & 546 ((elen + inode->i_sb->s_blocksize - 1) &
551 ~(inode->i_sb->s_blocksize - 1)); 547 ~(inode->i_sb->s_blocksize - 1));
552 etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); 548 etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1);
553 } 549 }
554 brelse(prev_epos.bh); 550 brelse(prev_epos.bh);
@@ -570,8 +566,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
570 startnum = 1; 566 startnum = 1;
571 } else { 567 } else {
572 /* Create a fake extent when there's not one */ 568 /* Create a fake extent when there's not one */
573 memset(&laarr[0].extLocation, 0x00, 569 memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr));
574 sizeof(kernel_lb_addr));
575 laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; 570 laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
576 /* Will udf_extend_file() create real extent from a fake one? */ 571 /* Will udf_extend_file() create real extent from a fake one? */
577 startnum = (offset > 0); 572 startnum = (offset > 0);
@@ -591,16 +586,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
591 offset = 0; 586 offset = 0;
592 count += ret; 587 count += ret;
593 /* We are not covered by a preallocated extent? */ 588 /* We are not covered by a preallocated extent? */
594 if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != 589 if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) {
595 EXT_NOT_RECORDED_ALLOCATED) {
596 /* Is there any real extent? - otherwise we overwrite 590 /* Is there any real extent? - otherwise we overwrite
597 * the fake one... */ 591 * the fake one... */
598 if (count) 592 if (count)
599 c = !c; 593 c = !c;
600 laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 594 laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
601 inode->i_sb->s_blocksize; 595 inode->i_sb->s_blocksize;
602 memset(&laarr[c].extLocation, 0x00, 596 memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr));
603 sizeof(kernel_lb_addr));
604 count++; 597 count++;
605 endnum++; 598 endnum++;
606 } 599 }
@@ -618,8 +611,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
618 } 611 }
619 612
620 /* if the current block is located in an extent, read the next extent */ 613 /* if the current block is located in an extent, read the next extent */
621 if ((etype = 614 if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) {
622 udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) {
623 laarr[c + 1].extLength = (etype << 30) | elen; 615 laarr[c + 1].extLength = (etype << 30) | elen;
624 laarr[c + 1].extLocation = eloc; 616 laarr[c + 1].extLocation = eloc;
625 count++; 617 count++;
@@ -631,24 +623,21 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
631 } 623 }
632 624
633 /* if the current extent is not recorded but allocated, get the 625 /* if the current extent is not recorded but allocated, get the
634 block in the extent corresponding to the requested block */ 626 * block in the extent corresponding to the requested block */
635 if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) 627 if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
636 newblocknum = laarr[c].extLocation.logicalBlockNum + offset; 628 newblocknum = laarr[c].extLocation.logicalBlockNum + offset;
637 else { /* otherwise, allocate a new block */ 629 } else { /* otherwise, allocate a new block */
638
639 if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block) 630 if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block)
640 goal = UDF_I_NEXT_ALLOC_GOAL(inode); 631 goal = UDF_I_NEXT_ALLOC_GOAL(inode);
641 632
642 if (!goal) { 633 if (!goal) {
643 if (!(goal = pgoal)) 634 if (!(goal = pgoal))
644 goal = 635 goal = UDF_I_LOCATION(inode).logicalBlockNum + 1;
645 UDF_I_LOCATION(inode).logicalBlockNum + 1;
646 } 636 }
647 637
648 if (!(newblocknum = udf_new_block(inode->i_sb, inode, 638 if (!(newblocknum = udf_new_block(inode->i_sb, inode,
649 UDF_I_LOCATION(inode). 639 UDF_I_LOCATION(inode).partitionReferenceNum,
650 partitionReferenceNum, goal, 640 goal, err))) {
651 err))) {
652 brelse(prev_epos.bh); 641 brelse(prev_epos.bh);
653 *err = -ENOSPC; 642 *err = -ENOSPC;
654 return NULL; 643 return NULL;
@@ -657,8 +646,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
657 } 646 }
658 647
659 /* if the extent the requsted block is located in contains multiple blocks, 648 /* if the extent the requsted block is located in contains multiple blocks,
660 split the extent into at most three extents. blocks prior to requested 649 * split the extent into at most three extents. blocks prior to requested
661 block, requested block, and blocks after requested block */ 650 * block, requested block, and blocks after requested block */
662 udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum); 651 udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
663 652
664#ifdef UDF_PREALLOCATE 653#ifdef UDF_PREALLOCATE
@@ -670,15 +659,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
670 udf_merge_extents(inode, laarr, &endnum); 659 udf_merge_extents(inode, laarr, &endnum);
671 660
672 /* write back the new extents, inserting new extents if the new number 661 /* write back the new extents, inserting new extents if the new number
673 of extents is greater than the old number, and deleting extents if 662 * of extents is greater than the old number, and deleting extents if
674 the new number of extents is less than the old number */ 663 * the new number of extents is less than the old number */
675 udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); 664 udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
676 665
677 brelse(prev_epos.bh); 666 brelse(prev_epos.bh);
678 667
679 if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, 668 if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum,
680 UDF_I_LOCATION(inode). 669 UDF_I_LOCATION(inode).partitionReferenceNum, 0))) {
681 partitionReferenceNum, 0))) {
682 return NULL; 670 return NULL;
683 } 671 }
684 *phys = newblock; 672 *phys = newblock;
@@ -692,6 +680,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
692 udf_sync_inode(inode); 680 udf_sync_inode(inode);
693 else 681 else
694 mark_inode_dirty(inode); 682 mark_inode_dirty(inode);
683
695 return result; 684 return result;
696} 685}
697 686
@@ -701,16 +690,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
701 int *endnum) 690 int *endnum)
702{ 691{
703 if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) || 692 if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) ||
704 (laarr[*c].extLength >> 30) == 693 (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
705 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
706 int curr = *c; 694 int curr = *c;
707 int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) + 695 int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) +
708 inode->i_sb->s_blocksize - 696 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
709 1) >> inode->i_sb->s_blocksize_bits;
710 int8_t etype = (laarr[curr].extLength >> 30); 697 int8_t etype = (laarr[curr].extLength >> 30);
711 698
712 if (blen == 1) ; 699 if (blen == 1) {
713 else if (!offset || blen == offset + 1) { 700 ;
701 } else if (!offset || blen == offset + 1) {
714 laarr[curr + 2] = laarr[curr + 1]; 702 laarr[curr + 2] = laarr[curr + 1];
715 laarr[curr + 1] = laarr[curr]; 703 laarr[curr + 1] = laarr[curr];
716 } else { 704 } else {
@@ -720,20 +708,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
720 708
721 if (offset) { 709 if (offset) {
722 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 710 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
723 udf_free_blocks(inode->i_sb, inode, 711 udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset);
724 laarr[curr].extLocation, 0, 712 laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
725 offset); 713 (offset << inode->i_sb->s_blocksize_bits);
726 laarr[curr].extLength =
727 EXT_NOT_RECORDED_NOT_ALLOCATED | (offset <<
728 inode->
729 i_sb->
730 s_blocksize_bits);
731 laarr[curr].extLocation.logicalBlockNum = 0; 714 laarr[curr].extLocation.logicalBlockNum = 0;
732 laarr[curr].extLocation.partitionReferenceNum = 715 laarr[curr].extLocation.partitionReferenceNum = 0;
733 0; 716 } else {
734 } else
735 laarr[curr].extLength = (etype << 30) | 717 laarr[curr].extLength = (etype << 30) |
736 (offset << inode->i_sb->s_blocksize_bits); 718 (offset << inode->i_sb->s_blocksize_bits);
719 }
737 curr++; 720 curr++;
738 (*c)++; 721 (*c)++;
739 (*endnum)++; 722 (*endnum)++;
@@ -742,18 +725,16 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
742 laarr[curr].extLocation.logicalBlockNum = newblocknum; 725 laarr[curr].extLocation.logicalBlockNum = newblocknum;
743 if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) 726 if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
744 laarr[curr].extLocation.partitionReferenceNum = 727 laarr[curr].extLocation.partitionReferenceNum =
745 UDF_I_LOCATION(inode).partitionReferenceNum; 728 UDF_I_LOCATION(inode).partitionReferenceNum;
746 laarr[curr].extLength = EXT_RECORDED_ALLOCATED | 729 laarr[curr].extLength = EXT_RECORDED_ALLOCATED |
747 inode->i_sb->s_blocksize; 730 inode->i_sb->s_blocksize;
748 curr++; 731 curr++;
749 732
750 if (blen != offset + 1) { 733 if (blen != offset + 1) {
751 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) 734 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
752 laarr[curr].extLocation.logicalBlockNum += 735 laarr[curr].extLocation.logicalBlockNum += (offset + 1);
753 (offset + 1); 736 laarr[curr].extLength = (etype << 30) |
754 laarr[curr].extLength = 737 ((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits);
755 (etype << 30) | ((blen - (offset + 1)) << inode->
756 i_sb->s_blocksize_bits);
757 curr++; 738 curr++;
758 (*endnum)++; 739 (*endnum)++;
759 } 740 }
@@ -772,90 +753,69 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
772 else 753 else
773 start = c; 754 start = c;
774 } else { 755 } else {
775 if ((laarr[c + 1].extLength >> 30) == 756 if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
776 (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
777 start = c + 1; 757 start = c + 1;
778 length = currlength = 758 length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
779 (((laarr[c + 1]. 759 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
780 extLength & UDF_EXTENT_LENGTH_MASK) + 760 } else {
781 inode->i_sb->s_blocksize -
782 1) >> inode->i_sb->s_blocksize_bits);
783 } else
784 start = c; 761 start = c;
762 }
785 } 763 }
786 764
787 for (i = start + 1; i <= *endnum; i++) { 765 for (i = start + 1; i <= *endnum; i++) {
788 if (i == *endnum) { 766 if (i == *endnum) {
789 if (lastblock) 767 if (lastblock)
790 length += UDF_DEFAULT_PREALLOC_BLOCKS; 768 length += UDF_DEFAULT_PREALLOC_BLOCKS;
791 } else if ((laarr[i].extLength >> 30) == 769 } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
792 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) 770 length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
793 length += 771 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
794 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 772 } else {
795 inode->i_sb->s_blocksize -
796 1) >> inode->i_sb->s_blocksize_bits);
797 else
798 break; 773 break;
774 }
799 } 775 }
800 776
801 if (length) { 777 if (length) {
802 int next = laarr[start].extLocation.logicalBlockNum + 778 int next = laarr[start].extLocation.logicalBlockNum +
803 (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + 779 (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
804 inode->i_sb->s_blocksize - 780 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
805 1) >> inode->i_sb->s_blocksize_bits);
806 int numalloc = udf_prealloc_blocks(inode->i_sb, inode, 781 int numalloc = udf_prealloc_blocks(inode->i_sb, inode,
807 laarr[start].extLocation. 782 laarr[start].extLocation.partitionReferenceNum,
808 partitionReferenceNum, 783 next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length :
809 next, 784 UDF_DEFAULT_PREALLOC_BLOCKS) - currlength);
810 (UDF_DEFAULT_PREALLOC_BLOCKS 785 if (numalloc) {
811 > 786 if (start == (c + 1)) {
812 length ? length :
813 UDF_DEFAULT_PREALLOC_BLOCKS)
814 - currlength);
815
816 if (numalloc) {
817 if (start == (c + 1))
818 laarr[start].extLength += 787 laarr[start].extLength +=
819 (numalloc << inode->i_sb->s_blocksize_bits); 788 (numalloc << inode->i_sb->s_blocksize_bits);
820 else { 789 } else {
821 memmove(&laarr[c + 2], &laarr[c + 1], 790 memmove(&laarr[c + 2], &laarr[c + 1],
822 sizeof(long_ad) * (*endnum - (c + 1))); 791 sizeof(long_ad) * (*endnum - (c + 1)));
823 (*endnum)++; 792 (*endnum)++;
824 laarr[c + 1].extLocation.logicalBlockNum = next; 793 laarr[c + 1].extLocation.logicalBlockNum = next;
825 laarr[c + 1].extLocation.partitionReferenceNum = 794 laarr[c + 1].extLocation.partitionReferenceNum =
826 laarr[c].extLocation.partitionReferenceNum; 795 laarr[c].extLocation.partitionReferenceNum;
827 laarr[c + 1].extLength = 796 laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED |
828 EXT_NOT_RECORDED_ALLOCATED | (numalloc << 797 (numalloc << inode->i_sb->s_blocksize_bits);
829 inode->i_sb->
830 s_blocksize_bits);
831 start = c + 1; 798 start = c + 1;
832 } 799 }
833 800
834 for (i = start + 1; numalloc && i < *endnum; i++) { 801 for (i = start + 1; numalloc && i < *endnum; i++) {
835 int elen = 802 int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
836 ((laarr[i]. 803 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
837 extLength & UDF_EXTENT_LENGTH_MASK) +
838 inode->i_sb->s_blocksize -
839 1) >> inode->i_sb->s_blocksize_bits;
840 804
841 if (elen > numalloc) { 805 if (elen > numalloc) {
842 laarr[i].extLength -= 806 laarr[i].extLength -=
843 (numalloc << inode->i_sb-> 807 (numalloc << inode->i_sb->s_blocksize_bits);
844 s_blocksize_bits);
845 numalloc = 0; 808 numalloc = 0;
846 } else { 809 } else {
847 numalloc -= elen; 810 numalloc -= elen;
848 if (*endnum > (i + 1)) 811 if (*endnum > (i + 1))
849 memmove(&laarr[i], 812 memmove(&laarr[i], &laarr[i + 1],
850 &laarr[i + 1], 813 sizeof(long_ad) * (*endnum - (i + 1)));
851 sizeof(long_ad) *
852 (*endnum - (i + 1)));
853 i--; 814 i--;
854 (*endnum)--; 815 (*endnum)--;
855 } 816 }
856 } 817 }
857 UDF_I_LENEXTENTS(inode) += 818 UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits;
858 numalloc << inode->i_sb->s_blocksize_bits;
859 } 819 }
860 } 820 }
861} 821}
@@ -867,119 +827,68 @@ static void udf_merge_extents(struct inode *inode,
867 int i; 827 int i;
868 828
869 for (i = 0; i < (*endnum - 1); i++) { 829 for (i = 0; i < (*endnum - 1); i++) {
870 if ((laarr[i].extLength >> 30) == 830 if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) {
871 (laarr[i + 1].extLength >> 30)) { 831 if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) ||
872 if (((laarr[i].extLength >> 30) == 832 ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) ==
873 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
874 ||
875 ((laarr[i + 1].extLocation.logicalBlockNum -
876 laarr[i].extLocation.logicalBlockNum) ==
877 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 833 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
878 inode->i_sb->s_blocksize - 834 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) {
879 1) >> inode->i_sb->s_blocksize_bits))) { 835 if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
880 if (((laarr[i]. 836 (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
881 extLength & UDF_EXTENT_LENGTH_MASK) + 837 inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
882 (laarr[i + 1]. 838 laarr[i + 1].extLength = (laarr[i + 1].extLength -
883 extLength & UDF_EXTENT_LENGTH_MASK) + 839 (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
884 inode->i_sb->s_blocksize - 840 UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
885 1) & ~UDF_EXTENT_LENGTH_MASK) { 841 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
886 laarr[i + 1].extLength = 842 (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
887 (laarr[i + 1].extLength - 843 laarr[i + 1].extLocation.logicalBlockNum =
888 (laarr[i]. 844 laarr[i].extLocation.logicalBlockNum +
889 extLength & 845 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >>
890 UDF_EXTENT_LENGTH_MASK) + 846 inode->i_sb->s_blocksize_bits);
891 UDF_EXTENT_LENGTH_MASK) & ~(inode->
892 i_sb->
893 s_blocksize
894 - 1);
895 laarr[i].extLength =
896 (laarr[i].
897 extLength & UDF_EXTENT_FLAG_MASK) +
898 (UDF_EXTENT_LENGTH_MASK + 1) -
899 inode->i_sb->s_blocksize;
900 laarr[i +
901 1].extLocation.logicalBlockNum =
902 laarr[i].extLocation.
903 logicalBlockNum +
904 ((laarr[i].
905 extLength &
906 UDF_EXTENT_LENGTH_MASK) >> inode->
907 i_sb->s_blocksize_bits);
908 } else { 847 } else {
909 laarr[i].extLength = 848 laarr[i].extLength = laarr[i + 1].extLength +
910 laarr[i + 1].extLength + 849 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
911 (((laarr[i]. 850 inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
912 extLength &
913 UDF_EXTENT_LENGTH_MASK) +
914 inode->i_sb->s_blocksize -
915 1) & ~(inode->i_sb->s_blocksize -
916 1));
917 if (*endnum > (i + 2)) 851 if (*endnum > (i + 2))
918 memmove(&laarr[i + 1], 852 memmove(&laarr[i + 1], &laarr[i + 2],
919 &laarr[i + 2], 853 sizeof(long_ad) * (*endnum - (i + 2)));
920 sizeof(long_ad) *
921 (*endnum - (i + 2)));
922 i--; 854 i--;
923 (*endnum)--; 855 (*endnum)--;
924 } 856 }
925 } 857 }
926 } else 858 } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
927 if (((laarr[i].extLength >> 30) == 859 ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
928 (EXT_NOT_RECORDED_ALLOCATED >> 30)) 860 udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
929 && ((laarr[i + 1].extLength >> 30) == 861 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
930 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { 862 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
931 udf_free_blocks(inode->i_sb, inode,
932 laarr[i].extLocation, 0,
933 ((laarr[i].
934 extLength & UDF_EXTENT_LENGTH_MASK) +
935 inode->i_sb->s_blocksize -
936 1) >> inode->i_sb->s_blocksize_bits);
937 laarr[i].extLocation.logicalBlockNum = 0; 863 laarr[i].extLocation.logicalBlockNum = 0;
938 laarr[i].extLocation.partitionReferenceNum = 0; 864 laarr[i].extLocation.partitionReferenceNum = 0;
939 865
940 if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 866 if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
941 (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + 867 (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
942 inode->i_sb->s_blocksize - 868 inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
943 1) & ~UDF_EXTENT_LENGTH_MASK) { 869 laarr[i + 1].extLength = (laarr[i + 1].extLength -
944 laarr[i + 1].extLength = 870 (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
945 (laarr[i + 1].extLength - 871 UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
946 (laarr[i]. 872 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
947 extLength & UDF_EXTENT_LENGTH_MASK) + 873 (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
948 UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->
949 s_blocksize -
950 1);
951 laarr[i].extLength =
952 (laarr[i].
953 extLength & UDF_EXTENT_FLAG_MASK) +
954 (UDF_EXTENT_LENGTH_MASK + 1) -
955 inode->i_sb->s_blocksize;
956 } else { 874 } else {
957 laarr[i].extLength = laarr[i + 1].extLength + 875 laarr[i].extLength = laarr[i + 1].extLength +
958 (((laarr[i]. 876 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
959 extLength & UDF_EXTENT_LENGTH_MASK) + 877 inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
960 inode->i_sb->s_blocksize -
961 1) & ~(inode->i_sb->s_blocksize - 1));
962 if (*endnum > (i + 2)) 878 if (*endnum > (i + 2))
963 memmove(&laarr[i + 1], &laarr[i + 2], 879 memmove(&laarr[i + 1], &laarr[i + 2],
964 sizeof(long_ad) * (*endnum - 880 sizeof(long_ad) * (*endnum - (i + 2)));
965 (i + 2)));
966 i--; 881 i--;
967 (*endnum)--; 882 (*endnum)--;
968 } 883 }
969 } else if ((laarr[i].extLength >> 30) == 884 } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
970 (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 885 udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
971 udf_free_blocks(inode->i_sb, inode, 886 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
972 laarr[i].extLocation, 0, 887 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
973 ((laarr[i].
974 extLength & UDF_EXTENT_LENGTH_MASK) +
975 inode->i_sb->s_blocksize -
976 1) >> inode->i_sb->s_blocksize_bits);
977 laarr[i].extLocation.logicalBlockNum = 0; 888 laarr[i].extLocation.logicalBlockNum = 0;
978 laarr[i].extLocation.partitionReferenceNum = 0; 889 laarr[i].extLocation.partitionReferenceNum = 0;
979 laarr[i].extLength = 890 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) |
980 (laarr[i]. 891 EXT_NOT_RECORDED_NOT_ALLOCATED;
981 extLength & UDF_EXTENT_LENGTH_MASK) |
982 EXT_NOT_RECORDED_NOT_ALLOCATED;
983 } 892 }
984 } 893 }
985} 894}
@@ -1025,10 +934,13 @@ struct buffer_head *udf_bread(struct inode *inode, int block,
1025 934
1026 if (buffer_uptodate(bh)) 935 if (buffer_uptodate(bh))
1027 return bh; 936 return bh;
937
1028 ll_rw_block(READ, 1, &bh); 938 ll_rw_block(READ, 1, &bh);
939
1029 wait_on_buffer(bh); 940 wait_on_buffer(bh);
1030 if (buffer_uptodate(bh)) 941 if (buffer_uptodate(bh))
1031 return bh; 942 return bh;
943
1032 brelse(bh); 944 brelse(bh);
1033 *err = -EIO; 945 *err = -EIO;
1034 return NULL; 946 return NULL;
@@ -1047,26 +959,24 @@ void udf_truncate(struct inode *inode)
1047 959
1048 lock_kernel(); 960 lock_kernel();
1049 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 961 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
1050 if (inode->i_sb->s_blocksize < 962 if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
1051 (udf_file_entry_alloc_offset(inode) + inode->i_size)) { 963 inode->i_size)) {
1052 udf_expand_file_adinicb(inode, inode->i_size, &err); 964 udf_expand_file_adinicb(inode, inode->i_size, &err);
1053 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 965 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
1054 inode->i_size = UDF_I_LENALLOC(inode); 966 inode->i_size = UDF_I_LENALLOC(inode);
1055 unlock_kernel(); 967 unlock_kernel();
1056 return; 968 return;
1057 } else 969 } else {
1058 udf_truncate_extents(inode); 970 udf_truncate_extents(inode);
971 }
1059 } else { 972 } else {
1060 offset = inode->i_size & (inode->i_sb->s_blocksize - 1); 973 offset = inode->i_size & (inode->i_sb->s_blocksize - 1);
1061 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + 974 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00,
1062 offset, 0x00, 975 inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode));
1063 inode->i_sb->s_blocksize - offset -
1064 udf_file_entry_alloc_offset(inode));
1065 UDF_I_LENALLOC(inode) = inode->i_size; 976 UDF_I_LENALLOC(inode) = inode->i_size;
1066 } 977 }
1067 } else { 978 } else {
1068 block_truncate_page(inode->i_mapping, inode->i_size, 979 block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block);
1069 udf_get_block);
1070 udf_truncate_extents(inode); 980 udf_truncate_extents(inode);
1071 } 981 }
1072 982
@@ -1097,7 +1007,6 @@ static void __udf_read_inode(struct inode *inode)
1097 * i_op = NULL; 1007 * i_op = NULL;
1098 */ 1008 */
1099 bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident); 1009 bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident);
1100
1101 if (!bh) { 1010 if (!bh) {
1102 printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n", 1011 printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n",
1103 inode->i_ino); 1012 inode->i_ino);
@@ -1107,8 +1016,7 @@ static void __udf_read_inode(struct inode *inode)
1107 1016
1108 if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE && 1017 if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
1109 ident != TAG_IDENT_USE) { 1018 ident != TAG_IDENT_USE) {
1110 printk(KERN_ERR 1019 printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n",
1111 "udf: udf_read_inode(ino %ld) failed ident=%d\n",
1112 inode->i_ino, ident); 1020 inode->i_ino, ident);
1113 brelse(bh); 1021 brelse(bh);
1114 make_bad_inode(inode); 1022 make_bad_inode(inode);
@@ -1121,9 +1029,7 @@ static void __udf_read_inode(struct inode *inode)
1121 struct buffer_head *ibh = NULL, *nbh = NULL; 1029 struct buffer_head *ibh = NULL, *nbh = NULL;
1122 struct indirectEntry *ie; 1030 struct indirectEntry *ie;
1123 1031
1124 ibh = 1032 ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident);
1125 udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1,
1126 &ident);
1127 if (ident == TAG_IDENT_IE) { 1033 if (ident == TAG_IDENT_IE) {
1128 if (ibh) { 1034 if (ibh) {
1129 kernel_lb_addr loc; 1035 kernel_lb_addr loc;
@@ -1132,13 +1038,10 @@ static void __udf_read_inode(struct inode *inode)
1132 loc = lelb_to_cpu(ie->indirectICB.extLocation); 1038 loc = lelb_to_cpu(ie->indirectICB.extLocation);
1133 1039
1134 if (ie->indirectICB.extLength && 1040 if (ie->indirectICB.extLength &&
1135 (nbh = 1041 (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) {
1136 udf_read_ptagged(inode->i_sb, loc, 0, 1042 if (ident == TAG_IDENT_FE ||
1137 &ident))) { 1043 ident == TAG_IDENT_EFE) {
1138 if (ident == TAG_IDENT_FE 1044 memcpy(&UDF_I_LOCATION(inode), &loc,
1139 || ident == TAG_IDENT_EFE) {
1140 memcpy(&UDF_I_LOCATION(inode),
1141 &loc,
1142 sizeof(kernel_lb_addr)); 1045 sizeof(kernel_lb_addr));
1143 brelse(bh); 1046 brelse(bh);
1144 brelse(ibh); 1047 brelse(ibh);
@@ -1149,11 +1052,13 @@ static void __udf_read_inode(struct inode *inode)
1149 brelse(nbh); 1052 brelse(nbh);
1150 brelse(ibh); 1053 brelse(ibh);
1151 } 1054 }
1152 } else 1055 } else {
1153 brelse(ibh); 1056 brelse(ibh);
1057 }
1154 } 1058 }
1155 } else 1059 } else {
1156 brelse(ibh); 1060 brelse(ibh);
1061 }
1157 } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) { 1062 } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) {
1158 printk(KERN_ERR "udf: unsupported strategy type: %d\n", 1063 printk(KERN_ERR "udf: unsupported strategy type: %d\n",
1159 le16_to_cpu(fe->icbTag.strategyType)); 1064 le16_to_cpu(fe->icbTag.strategyType));
@@ -1179,11 +1084,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1179 1084
1180 if (le16_to_cpu(fe->icbTag.strategyType) == 4) 1085 if (le16_to_cpu(fe->icbTag.strategyType) == 4)
1181 UDF_I_STRAT4096(inode) = 0; 1086 UDF_I_STRAT4096(inode) = 0;
1182 else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ 1087 else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
1183 UDF_I_STRAT4096(inode) = 1; 1088 UDF_I_STRAT4096(inode) = 1;
1184 1089
1185 UDF_I_ALLOCTYPE(inode) = 1090 UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK;
1186 le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK;
1187 UDF_I_UNIQUE(inode) = 0; 1091 UDF_I_UNIQUE(inode) = 0;
1188 UDF_I_LENEATTR(inode) = 0; 1092 UDF_I_LENEATTR(inode) = 0;
1189 UDF_I_LENEXTENTS(inode) = 0; 1093 UDF_I_LENEXTENTS(inode) = 0;
@@ -1193,23 +1097,16 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1193 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) { 1097 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) {
1194 UDF_I_EFE(inode) = 1; 1098 UDF_I_EFE(inode) = 1;
1195 UDF_I_USE(inode) = 0; 1099 UDF_I_USE(inode) = 0;
1196 if (udf_alloc_i_data 1100 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) {
1197 (inode,
1198 inode->i_sb->s_blocksize -
1199 sizeof(struct extendedFileEntry))) {
1200 make_bad_inode(inode); 1101 make_bad_inode(inode);
1201 return; 1102 return;
1202 } 1103 }
1203 memcpy(UDF_I_DATA(inode), 1104 memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry),
1204 bh->b_data + sizeof(struct extendedFileEntry), 1105 inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
1205 inode->i_sb->s_blocksize -
1206 sizeof(struct extendedFileEntry));
1207 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) { 1106 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) {
1208 UDF_I_EFE(inode) = 0; 1107 UDF_I_EFE(inode) = 0;
1209 UDF_I_USE(inode) = 0; 1108 UDF_I_USE(inode) = 0;
1210 if (udf_alloc_i_data 1109 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) {
1211 (inode,
1212 inode->i_sb->s_blocksize - sizeof(struct fileEntry))) {
1213 make_bad_inode(inode); 1110 make_bad_inode(inode);
1214 return; 1111 return;
1215 } 1112 }
@@ -1219,19 +1116,13 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1219 UDF_I_EFE(inode) = 0; 1116 UDF_I_EFE(inode) = 0;
1220 UDF_I_USE(inode) = 1; 1117 UDF_I_USE(inode) = 1;
1221 UDF_I_LENALLOC(inode) = 1118 UDF_I_LENALLOC(inode) =
1222 le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)-> 1119 le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs);
1223 lengthAllocDescs); 1120 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) {
1224 if (udf_alloc_i_data
1225 (inode,
1226 inode->i_sb->s_blocksize -
1227 sizeof(struct unallocSpaceEntry))) {
1228 make_bad_inode(inode); 1121 make_bad_inode(inode);
1229 return; 1122 return;
1230 } 1123 }
1231 memcpy(UDF_I_DATA(inode), 1124 memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry),
1232 bh->b_data + sizeof(struct unallocSpaceEntry), 1125 inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
1233 inode->i_sb->s_blocksize -
1234 sizeof(struct unallocSpaceEntry));
1235 return; 1126 return;
1236 } 1127 }
1237 1128
@@ -1257,7 +1148,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1257 1148
1258 if (UDF_I_EFE(inode) == 0) { 1149 if (UDF_I_EFE(inode) == 0) {
1259 inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) << 1150 inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
1260 (inode->i_sb->s_blocksize_bits - 9); 1151 (inode->i_sb->s_blocksize_bits - 9);
1261 1152
1262 if (udf_stamp_to_time(&convtime, &convtime_usec, 1153 if (udf_stamp_to_time(&convtime, &convtime_usec,
1263 lets_to_cpu(fe->accessTime))) { 1154 lets_to_cpu(fe->accessTime))) {
@@ -1326,78 +1217,56 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1326 UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID); 1217 UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID);
1327 UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr); 1218 UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr);
1328 UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs); 1219 UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs);
1329 offset = 1220 offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode);
1330 sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode);
1331 } 1221 }
1332 1222
1333 switch (fe->icbTag.fileType) { 1223 switch (fe->icbTag.fileType) {
1334 case ICBTAG_FILE_TYPE_DIRECTORY: 1224 case ICBTAG_FILE_TYPE_DIRECTORY:
1335 { 1225 inode->i_op = &udf_dir_inode_operations;
1336 inode->i_op = &udf_dir_inode_operations; 1226 inode->i_fop = &udf_dir_operations;
1337 inode->i_fop = &udf_dir_operations; 1227 inode->i_mode |= S_IFDIR;
1338 inode->i_mode |= S_IFDIR; 1228 inc_nlink(inode);
1339 inc_nlink(inode); 1229 break;
1340 break;
1341 }
1342 case ICBTAG_FILE_TYPE_REALTIME: 1230 case ICBTAG_FILE_TYPE_REALTIME:
1343 case ICBTAG_FILE_TYPE_REGULAR: 1231 case ICBTAG_FILE_TYPE_REGULAR:
1344 case ICBTAG_FILE_TYPE_UNDEF: 1232 case ICBTAG_FILE_TYPE_UNDEF:
1345 { 1233 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
1346 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) 1234 inode->i_data.a_ops = &udf_adinicb_aops;
1347 inode->i_data.a_ops = &udf_adinicb_aops; 1235 else
1348 else 1236 inode->i_data.a_ops = &udf_aops;
1349 inode->i_data.a_ops = &udf_aops; 1237 inode->i_op = &udf_file_inode_operations;
1350 inode->i_op = &udf_file_inode_operations; 1238 inode->i_fop = &udf_file_operations;
1351 inode->i_fop = &udf_file_operations; 1239 inode->i_mode |= S_IFREG;
1352 inode->i_mode |= S_IFREG; 1240 break;
1353 break;
1354 }
1355 case ICBTAG_FILE_TYPE_BLOCK: 1241 case ICBTAG_FILE_TYPE_BLOCK:
1356 { 1242 inode->i_mode |= S_IFBLK;
1357 inode->i_mode |= S_IFBLK; 1243 break;
1358 break;
1359 }
1360 case ICBTAG_FILE_TYPE_CHAR: 1244 case ICBTAG_FILE_TYPE_CHAR:
1361 { 1245 inode->i_mode |= S_IFCHR;
1362 inode->i_mode |= S_IFCHR; 1246 break;
1363 break;
1364 }
1365 case ICBTAG_FILE_TYPE_FIFO: 1247 case ICBTAG_FILE_TYPE_FIFO:
1366 { 1248 init_special_inode(inode, inode->i_mode | S_IFIFO, 0);
1367 init_special_inode(inode, inode->i_mode | S_IFIFO, 0); 1249 break;
1368 break;
1369 }
1370 case ICBTAG_FILE_TYPE_SOCKET: 1250 case ICBTAG_FILE_TYPE_SOCKET:
1371 { 1251 init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);
1372 init_special_inode(inode, inode->i_mode | S_IFSOCK, 0); 1252 break;
1373 break;
1374 }
1375 case ICBTAG_FILE_TYPE_SYMLINK: 1253 case ICBTAG_FILE_TYPE_SYMLINK:
1376 { 1254 inode->i_data.a_ops = &udf_symlink_aops;
1377 inode->i_data.a_ops = &udf_symlink_aops; 1255 inode->i_op = &page_symlink_inode_operations;
1378 inode->i_op = &page_symlink_inode_operations; 1256 inode->i_mode = S_IFLNK | S_IRWXUGO;
1379 inode->i_mode = S_IFLNK | S_IRWXUGO; 1257 break;
1380 break;
1381 }
1382 default: 1258 default:
1383 { 1259 printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n",
1384 printk(KERN_ERR 1260 inode->i_ino, fe->icbTag.fileType);
1385 "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", 1261 make_bad_inode(inode);
1386 inode->i_ino, fe->icbTag.fileType); 1262 return;
1387 make_bad_inode(inode);
1388 return;
1389 }
1390 } 1263 }
1391 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { 1264 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
1392 struct deviceSpec *dsea = (struct deviceSpec *) 1265 struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
1393 udf_get_extendedattr(inode, 12, 1);
1394
1395 if (dsea) { 1266 if (dsea) {
1396 init_special_inode(inode, inode->i_mode, 1267 init_special_inode(inode, inode->i_mode,
1397 MKDEV(le32_to_cpu 1268 MKDEV(le32_to_cpu(dsea->majorDeviceIdent),
1398 (dsea->majorDeviceIdent), 1269 le32_to_cpu(dsea->minorDeviceIdent)));
1399 le32_to_cpu(dsea->
1400 minorDeviceIdent)));
1401 /* Developer ID ??? */ 1270 /* Developer ID ??? */
1402 } else { 1271 } else {
1403 make_bad_inode(inode); 1272 make_bad_inode(inode);
@@ -1410,8 +1279,7 @@ static int udf_alloc_i_data(struct inode *inode, size_t size)
1410 UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL); 1279 UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL);
1411 1280
1412 if (!UDF_I_DATA(inode)) { 1281 if (!UDF_I_DATA(inode)) {
1413 printk(KERN_ERR 1282 printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n",
1414 "udf:udf_alloc_i_data (ino %ld) no free memory\n",
1415 inode->i_ino); 1283 inode->i_ino);
1416 return -ENOMEM; 1284 return -ENOMEM;
1417 } 1285 }
@@ -1428,12 +1296,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
1428 permissions = le32_to_cpu(fe->permissions); 1296 permissions = le32_to_cpu(fe->permissions);
1429 flags = le16_to_cpu(fe->icbTag.flags); 1297 flags = le16_to_cpu(fe->icbTag.flags);
1430 1298
1431 mode = ((permissions) & S_IRWXO) | 1299 mode = (( permissions ) & S_IRWXO) |
1432 ((permissions >> 2) & S_IRWXG) | 1300 (( permissions >> 2 ) & S_IRWXG) |
1433 ((permissions >> 4) & S_IRWXU) | 1301 (( permissions >> 4 ) & S_IRWXU) |
1434 ((flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | 1302 (( flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) |
1435 ((flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | 1303 (( flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) |
1436 ((flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); 1304 (( flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0);
1437 1305
1438 return mode; 1306 return mode;
1439} 1307}
@@ -1456,9 +1324,11 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
1456int udf_write_inode(struct inode *inode, int sync) 1324int udf_write_inode(struct inode *inode, int sync)
1457{ 1325{
1458 int ret; 1326 int ret;
1327
1459 lock_kernel(); 1328 lock_kernel();
1460 ret = udf_update_inode(inode, sync); 1329 ret = udf_update_inode(inode, sync);
1461 unlock_kernel(); 1330 unlock_kernel();
1331
1462 return ret; 1332 return ret;
1463} 1333}
1464 1334
@@ -1479,10 +1349,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1479 kernel_timestamp cpu_time; 1349 kernel_timestamp cpu_time;
1480 int err = 0; 1350 int err = 0;
1481 1351
1482 bh = udf_tread(inode->i_sb, 1352 bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0));
1483 udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode),
1484 0));
1485
1486 if (!bh) { 1353 if (!bh) {
1487 udf_debug("bread failure\n"); 1354 udf_debug("bread failure\n");
1488 return -EIO; 1355 return -EIO;
@@ -1495,27 +1362,21 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1495 1362
1496 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) { 1363 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
1497 struct unallocSpaceEntry *use = 1364 struct unallocSpaceEntry *use =
1498 (struct unallocSpaceEntry *)bh->b_data; 1365 (struct unallocSpaceEntry *)bh->b_data;
1499 1366
1500 use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode)); 1367 use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
1501 memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), 1368 memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode),
1502 UDF_I_DATA(inode), 1369 inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
1503 inode->i_sb->s_blocksize - 1370 crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag);
1504 sizeof(struct unallocSpaceEntry)); 1371 use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
1505 crclen =
1506 sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) -
1507 sizeof(tag);
1508 use->descTag.tagLocation =
1509 cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
1510 use->descTag.descCRCLength = cpu_to_le16(crclen); 1372 use->descTag.descCRCLength = cpu_to_le16(crclen);
1511 use->descTag.descCRC = 1373 use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0));
1512 cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0));
1513 1374
1514 use->descTag.tagChecksum = 0; 1375 use->descTag.tagChecksum = 0;
1515 for (i = 0; i < 16; i++) 1376 for (i = 0; i < 16; i++) {
1516 if (i != 4) 1377 if (i != 4)
1517 use->descTag.tagChecksum += 1378 use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i];
1518 ((uint8_t *) & (use->descTag))[i]; 1379 }
1519 1380
1520 mark_buffer_dirty(bh); 1381 mark_buffer_dirty(bh);
1521 brelse(bh); 1382 brelse(bh);
@@ -1532,13 +1393,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1532 else 1393 else
1533 fe->gid = cpu_to_le32(inode->i_gid); 1394 fe->gid = cpu_to_le32(inode->i_gid);
1534 1395
1535 udfperms = ((inode->i_mode & S_IRWXO)) | 1396 udfperms = ((inode->i_mode & S_IRWXO) ) |
1536 ((inode->i_mode & S_IRWXG) << 2) | ((inode->i_mode & S_IRWXU) << 4); 1397 ((inode->i_mode & S_IRWXG) << 2) |
1398 ((inode->i_mode & S_IRWXU) << 4);
1537 1399
1538 udfperms |= (le32_to_cpu(fe->permissions) & 1400 udfperms |= (le32_to_cpu(fe->permissions) &
1539 (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | 1401 (FE_PERM_O_DELETE | FE_PERM_O_CHATTR |
1540 FE_PERM_G_DELETE | FE_PERM_G_CHATTR | 1402 FE_PERM_G_DELETE | FE_PERM_G_CHATTR |
1541 FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); 1403 FE_PERM_U_DELETE | FE_PERM_U_CHATTR));
1542 fe->permissions = cpu_to_le32(udfperms); 1404 fe->permissions = cpu_to_le32(udfperms);
1543 1405
1544 if (S_ISDIR(inode->i_mode)) 1406 if (S_ISDIR(inode->i_mode))
@@ -1550,22 +1412,20 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1550 1412
1551 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { 1413 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
1552 regid *eid; 1414 regid *eid;
1553 struct deviceSpec *dsea = (struct deviceSpec *) 1415 struct deviceSpec *dsea =
1554 udf_get_extendedattr(inode, 12, 1); 1416 (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
1555
1556 if (!dsea) { 1417 if (!dsea) {
1557 dsea = (struct deviceSpec *) 1418 dsea = (struct deviceSpec *)
1558 udf_add_extendedattr(inode, 1419 udf_add_extendedattr(inode,
1559 sizeof(struct deviceSpec) + 1420 sizeof(struct deviceSpec) +
1560 sizeof(regid), 12, 0x3); 1421 sizeof(regid), 12, 0x3);
1561 dsea->attrType = cpu_to_le32(12); 1422 dsea->attrType = cpu_to_le32(12);
1562 dsea->attrSubtype = 1; 1423 dsea->attrSubtype = 1;
1563 dsea->attrLength = 1424 dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) +
1564 cpu_to_le32(sizeof(struct deviceSpec) + 1425 sizeof(regid));
1565 sizeof(regid));
1566 dsea->impUseLength = cpu_to_le32(sizeof(regid)); 1426 dsea->impUseLength = cpu_to_le32(sizeof(regid));
1567 } 1427 }
1568 eid = (regid *) dsea->impUse; 1428 eid = (regid *)dsea->impUse;
1569 memset(eid, 0, sizeof(regid)); 1429 memset(eid, 0, sizeof(regid));
1570 strcpy(eid->ident, UDF_ID_DEVELOPER); 1430 strcpy(eid->ident, UDF_ID_DEVELOPER);
1571 eid->identSuffix[0] = UDF_OS_CLASS_UNIX; 1431 eid->identSuffix[0] = UDF_OS_CLASS_UNIX;
@@ -1577,10 +1437,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1577 if (UDF_I_EFE(inode) == 0) { 1437 if (UDF_I_EFE(inode) == 0) {
1578 memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode), 1438 memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode),
1579 inode->i_sb->s_blocksize - sizeof(struct fileEntry)); 1439 inode->i_sb->s_blocksize - sizeof(struct fileEntry));
1580 fe->logicalBlocksRecorded = 1440 fe->logicalBlocksRecorded = cpu_to_le64(
1581 cpu_to_le64((inode->i_blocks + 1441 (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
1582 (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1442 (inode->i_sb->s_blocksize_bits - 9));
1583 1) >> (inode->i_sb->s_blocksize_bits - 9));
1584 1443
1585 if (udf_time_to_stamp(&cpu_time, inode->i_atime)) 1444 if (udf_time_to_stamp(&cpu_time, inode->i_atime))
1586 fe->accessTime = cpu_to_lets(cpu_time); 1445 fe->accessTime = cpu_to_lets(cpu_time);
@@ -1598,19 +1457,12 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1598 fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE); 1457 fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
1599 crclen = sizeof(struct fileEntry); 1458 crclen = sizeof(struct fileEntry);
1600 } else { 1459 } else {
1601 memcpy(bh->b_data + sizeof(struct extendedFileEntry), 1460 memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode),
1602 UDF_I_DATA(inode), 1461 inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
1603 inode->i_sb->s_blocksize -
1604 sizeof(struct extendedFileEntry));
1605 efe->objectSize = cpu_to_le64(inode->i_size); 1462 efe->objectSize = cpu_to_le64(inode->i_size);
1606 efe->logicalBlocksRecorded = cpu_to_le64((inode->i_blocks + 1463 efe->logicalBlocksRecorded = cpu_to_le64(
1607 (1 << 1464 (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
1608 (inode->i_sb-> 1465 (inode->i_sb->s_blocksize_bits - 9));
1609 s_blocksize_bits -
1610 9)) -
1611 1) >> (inode->i_sb->
1612 s_blocksize_bits
1613 - 9));
1614 1466
1615 if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec || 1467 if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec ||
1616 (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec && 1468 (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
@@ -1671,13 +1523,13 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1671 else if (S_ISSOCK(inode->i_mode)) 1523 else if (S_ISSOCK(inode->i_mode))
1672 fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET; 1524 fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET;
1673 1525
1674 icbflags = UDF_I_ALLOCTYPE(inode) | 1526 icbflags = UDF_I_ALLOCTYPE(inode) |
1675 ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) | 1527 ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) |
1676 ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) | 1528 ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) |
1677 ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) | 1529 ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) |
1678 (le16_to_cpu(fe->icbTag.flags) & 1530 (le16_to_cpu(fe->icbTag.flags) &
1679 ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID | 1531 ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID |
1680 ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY)); 1532 ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY));
1681 1533
1682 fe->icbTag.flags = cpu_to_le16(icbflags); 1534 fe->icbTag.flags = cpu_to_le16(icbflags);
1683 if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) 1535 if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
@@ -1685,18 +1537,16 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1685 else 1537 else
1686 fe->descTag.descVersion = cpu_to_le16(2); 1538 fe->descTag.descVersion = cpu_to_le16(2);
1687 fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); 1539 fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
1688 fe->descTag.tagLocation = 1540 fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
1689 cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
1690 crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag); 1541 crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag);
1691 fe->descTag.descCRCLength = cpu_to_le16(crclen); 1542 fe->descTag.descCRCLength = cpu_to_le16(crclen);
1692 fe->descTag.descCRC = 1543 fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0));
1693 cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0));
1694 1544
1695 fe->descTag.tagChecksum = 0; 1545 fe->descTag.tagChecksum = 0;
1696 for (i = 0; i < 16; i++) 1546 for (i = 0; i < 16; i++) {
1697 if (i != 4) 1547 if (i != 4)
1698 fe->descTag.tagChecksum += 1548 fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i];
1699 ((uint8_t *) & (fe->descTag))[i]; 1549 }
1700 1550
1701 /* write the data blocks */ 1551 /* write the data blocks */
1702 mark_buffer_dirty(bh); 1552 mark_buffer_dirty(bh);
@@ -1709,6 +1559,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1709 } 1559 }
1710 } 1560 }
1711 brelse(bh); 1561 brelse(bh);
1562
1712 return err; 1563 return err;
1713} 1564}
1714 1565
@@ -1729,8 +1580,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
1729 if (is_bad_inode(inode)) 1580 if (is_bad_inode(inode))
1730 goto out_iput; 1581 goto out_iput;
1731 1582
1732 if (ino.logicalBlockNum >= 1583 if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
1733 UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
1734 udf_debug("block=%d, partition=%d out of range\n", 1584 udf_debug("block=%d, partition=%d out of range\n",
1735 ino.logicalBlockNum, ino.partitionReferenceNum); 1585 ino.logicalBlockNum, ino.partitionReferenceNum);
1736 make_bad_inode(inode); 1586 make_bad_inode(inode);
@@ -1739,7 +1589,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
1739 1589
1740 return inode; 1590 return inode;
1741 1591
1742 out_iput: 1592 out_iput:
1743 iput(inode); 1593 iput(inode);
1744 return NULL; 1594 return NULL;
1745} 1595}
@@ -1755,9 +1605,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1755 uint8_t *ptr; 1605 uint8_t *ptr;
1756 1606
1757 if (!epos->bh) 1607 if (!epos->bh)
1758 ptr = 1608 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1759 UDF_I_DATA(inode) + epos->offset -
1760 udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1761 else 1609 else
1762 ptr = epos->bh->b_data + epos->offset; 1610 ptr = epos->bh->b_data + epos->offset;
1763 1611
@@ -1774,18 +1622,13 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1774 int err, loffset; 1622 int err, loffset;
1775 kernel_lb_addr obloc = epos->block; 1623 kernel_lb_addr obloc = epos->block;
1776 1624
1777 if (! 1625 if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,
1778 (epos->block.logicalBlockNum = 1626 obloc.partitionReferenceNum,
1779 udf_new_block(inode->i_sb, NULL, 1627 obloc.logicalBlockNum, &err))) {
1780 obloc.partitionReferenceNum,
1781 obloc.logicalBlockNum, &err))) {
1782 return -1; 1628 return -1;
1783 } 1629 }
1784 if (! 1630 if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
1785 (nbh = 1631 epos->block, 0)))) {
1786 udf_tgetblk(inode->i_sb,
1787 udf_get_lb_pblock(inode->i_sb, epos->block,
1788 0)))) {
1789 return -1; 1632 return -1;
1790 } 1633 }
1791 lock_buffer(nbh); 1634 lock_buffer(nbh);
@@ -1796,8 +1639,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1796 1639
1797 aed = (struct allocExtDesc *)(nbh->b_data); 1640 aed = (struct allocExtDesc *)(nbh->b_data);
1798 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) 1641 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
1799 aed->previousAllocExtLocation = 1642 aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum);
1800 cpu_to_le32(obloc.logicalBlockNum);
1801 if (epos->offset + adsize > inode->i_sb->s_blocksize) { 1643 if (epos->offset + adsize > inode->i_sb->s_blocksize) {
1802 loffset = epos->offset; 1644 loffset = epos->offset;
1803 aed->lengthAllocDescs = cpu_to_le32(adsize); 1645 aed->lengthAllocDescs = cpu_to_le32(adsize);
@@ -1814,9 +1656,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1814 if (epos->bh) { 1656 if (epos->bh) {
1815 aed = (struct allocExtDesc *)epos->bh->b_data; 1657 aed = (struct allocExtDesc *)epos->bh->b_data;
1816 aed->lengthAllocDescs = 1658 aed->lengthAllocDescs =
1817 cpu_to_le32(le32_to_cpu 1659 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
1818 (aed->lengthAllocDescs) +
1819 adsize);
1820 } else { 1660 } else {
1821 UDF_I_LENALLOC(inode) += adsize; 1661 UDF_I_LENALLOC(inode) += adsize;
1822 mark_inode_dirty(inode); 1662 mark_inode_dirty(inode);
@@ -1830,37 +1670,30 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1830 epos->block.logicalBlockNum, sizeof(tag)); 1670 epos->block.logicalBlockNum, sizeof(tag));
1831 switch (UDF_I_ALLOCTYPE(inode)) { 1671 switch (UDF_I_ALLOCTYPE(inode)) {
1832 case ICBTAG_FLAG_AD_SHORT: 1672 case ICBTAG_FLAG_AD_SHORT:
1833 { 1673 sad = (short_ad *)sptr;
1834 sad = (short_ad *) sptr; 1674 sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
1835 sad->extLength = 1675 inode->i_sb->s_blocksize);
1836 cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | 1676 sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum);
1837 inode->i_sb->s_blocksize); 1677 break;
1838 sad->extPosition =
1839 cpu_to_le32(epos->block.logicalBlockNum);
1840 break;
1841 }
1842 case ICBTAG_FLAG_AD_LONG: 1678 case ICBTAG_FLAG_AD_LONG:
1843 { 1679 lad = (long_ad *)sptr;
1844 lad = (long_ad *) sptr; 1680 lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
1845 lad->extLength = 1681 inode->i_sb->s_blocksize);
1846 cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | 1682 lad->extLocation = cpu_to_lelb(epos->block);
1847 inode->i_sb->s_blocksize); 1683 memset(lad->impUse, 0x00, sizeof(lad->impUse));
1848 lad->extLocation = cpu_to_lelb(epos->block); 1684 break;
1849 memset(lad->impUse, 0x00, sizeof(lad->impUse));
1850 break;
1851 }
1852 } 1685 }
1853 if (epos->bh) { 1686 if (epos->bh) {
1854 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 1687 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1855 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) 1688 UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
1856 udf_update_tag(epos->bh->b_data, loffset); 1689 udf_update_tag(epos->bh->b_data, loffset);
1857 else 1690 else
1858 udf_update_tag(epos->bh->b_data, 1691 udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
1859 sizeof(struct allocExtDesc));
1860 mark_buffer_dirty_inode(epos->bh, inode); 1692 mark_buffer_dirty_inode(epos->bh, inode);
1861 brelse(epos->bh); 1693 brelse(epos->bh);
1862 } else 1694 } else {
1863 mark_inode_dirty(inode); 1695 mark_inode_dirty(inode);
1696 }
1864 epos->bh = nbh; 1697 epos->bh = nbh;
1865 } 1698 }
1866 1699
@@ -1872,14 +1705,11 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1872 } else { 1705 } else {
1873 aed = (struct allocExtDesc *)epos->bh->b_data; 1706 aed = (struct allocExtDesc *)epos->bh->b_data;
1874 aed->lengthAllocDescs = 1707 aed->lengthAllocDescs =
1875 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); 1708 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
1876 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 1709 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
1877 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) 1710 udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize));
1878 udf_update_tag(epos->bh->b_data,
1879 epos->offset + (inc ? 0 : adsize));
1880 else 1711 else
1881 udf_update_tag(epos->bh->b_data, 1712 udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
1882 sizeof(struct allocExtDesc));
1883 mark_buffer_dirty_inode(epos->bh, inode); 1713 mark_buffer_dirty_inode(epos->bh, inode);
1884 } 1714 }
1885 1715
@@ -1891,51 +1721,47 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
1891{ 1721{
1892 int adsize; 1722 int adsize;
1893 uint8_t *ptr; 1723 uint8_t *ptr;
1724 short_ad *sad;
1725 long_ad *lad;
1894 1726
1895 if (!epos->bh) 1727 if (!epos->bh)
1896 ptr = 1728 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1897 UDF_I_DATA(inode) + epos->offset -
1898 udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1899 else 1729 else
1900 ptr = epos->bh->b_data + epos->offset; 1730 ptr = epos->bh->b_data + epos->offset;
1901 1731
1902 switch (UDF_I_ALLOCTYPE(inode)) { 1732 switch (UDF_I_ALLOCTYPE(inode)) {
1903 case ICBTAG_FLAG_AD_SHORT: 1733 case ICBTAG_FLAG_AD_SHORT:
1904 { 1734 sad = (short_ad *)ptr;
1905 short_ad *sad = (short_ad *) ptr; 1735 sad->extLength = cpu_to_le32(elen);
1906 sad->extLength = cpu_to_le32(elen); 1736 sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
1907 sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); 1737 adsize = sizeof(short_ad);
1908 adsize = sizeof(short_ad); 1738 break;
1909 break;
1910 }
1911 case ICBTAG_FLAG_AD_LONG: 1739 case ICBTAG_FLAG_AD_LONG:
1912 { 1740 lad = (long_ad *)ptr;
1913 long_ad *lad = (long_ad *) ptr; 1741 lad->extLength = cpu_to_le32(elen);
1914 lad->extLength = cpu_to_le32(elen); 1742 lad->extLocation = cpu_to_lelb(eloc);
1915 lad->extLocation = cpu_to_lelb(eloc); 1743 memset(lad->impUse, 0x00, sizeof(lad->impUse));
1916 memset(lad->impUse, 0x00, sizeof(lad->impUse)); 1744 adsize = sizeof(long_ad);
1917 adsize = sizeof(long_ad); 1745 break;
1918 break;
1919 }
1920 default: 1746 default:
1921 return -1; 1747 return -1;
1922 } 1748 }
1923 1749
1924 if (epos->bh) { 1750 if (epos->bh) {
1925 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 1751 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1926 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { 1752 UDF_SB_UDFREV(inode->i_sb) >= 0x0201) {
1927 struct allocExtDesc *aed = 1753 struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data;
1928 (struct allocExtDesc *)epos->bh->b_data;
1929 udf_update_tag(epos->bh->b_data, 1754 udf_update_tag(epos->bh->b_data,
1930 le32_to_cpu(aed->lengthAllocDescs) + 1755 le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc));
1931 sizeof(struct allocExtDesc));
1932 } 1756 }
1933 mark_buffer_dirty_inode(epos->bh, inode); 1757 mark_buffer_dirty_inode(epos->bh, inode);
1934 } else 1758 } else {
1935 mark_inode_dirty(inode); 1759 mark_inode_dirty(inode);
1760 }
1936 1761
1937 if (inc) 1762 if (inc)
1938 epos->offset += adsize; 1763 epos->offset += adsize;
1764
1939 return (elen >> 30); 1765 return (elen >> 30);
1940} 1766}
1941 1767
@@ -1949,14 +1775,9 @@ int8_t udf_next_aext(struct inode * inode, struct extent_position * epos,
1949 epos->block = *eloc; 1775 epos->block = *eloc;
1950 epos->offset = sizeof(struct allocExtDesc); 1776 epos->offset = sizeof(struct allocExtDesc);
1951 brelse(epos->bh); 1777 brelse(epos->bh);
1952 if (! 1778 if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) {
1953 (epos->bh =
1954 udf_tread(inode->i_sb,
1955 udf_get_lb_pblock(inode->i_sb, epos->block,
1956 0)))) {
1957 udf_debug("reading block %d failed!\n", 1779 udf_debug("reading block %d failed!\n",
1958 udf_get_lb_pblock(inode->i_sb, epos->block, 1780 udf_get_lb_pblock(inode->i_sb, epos->block, 0));
1959 0));
1960 return -1; 1781 return -1;
1961 } 1782 }
1962 } 1783 }
@@ -1970,75 +1791,49 @@ int8_t udf_current_aext(struct inode * inode, struct extent_position * epos,
1970 int alen; 1791 int alen;
1971 int8_t etype; 1792 int8_t etype;
1972 uint8_t *ptr; 1793 uint8_t *ptr;
1794 short_ad *sad;
1795 long_ad *lad;
1796
1973 1797
1974 if (!epos->bh) { 1798 if (!epos->bh) {
1975 if (!epos->offset) 1799 if (!epos->offset)
1976 epos->offset = udf_file_entry_alloc_offset(inode); 1800 epos->offset = udf_file_entry_alloc_offset(inode);
1977 ptr = 1801 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1978 UDF_I_DATA(inode) + epos->offset - 1802 alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode);
1979 udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
1980 alen =
1981 udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode);
1982 } else { 1803 } else {
1983 if (!epos->offset) 1804 if (!epos->offset)
1984 epos->offset = sizeof(struct allocExtDesc); 1805 epos->offset = sizeof(struct allocExtDesc);
1985 ptr = epos->bh->b_data + epos->offset; 1806 ptr = epos->bh->b_data + epos->offset;
1986 alen = 1807 alen = sizeof(struct allocExtDesc) +
1987 sizeof(struct allocExtDesc) + 1808 le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs);
1988 le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->
1989 lengthAllocDescs);
1990 } 1809 }
1991 1810
1992 switch (UDF_I_ALLOCTYPE(inode)) { 1811 switch (UDF_I_ALLOCTYPE(inode)) {
1993 case ICBTAG_FLAG_AD_SHORT: 1812 case ICBTAG_FLAG_AD_SHORT:
1994 { 1813 if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc)))
1995 short_ad *sad; 1814 return -1;
1996 1815 etype = le32_to_cpu(sad->extLength) >> 30;
1997 if (! 1816 eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
1998 (sad = 1817 eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
1999 udf_get_fileshortad(ptr, alen, &epos->offset, 1818 *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
2000 inc))) 1819 break;
2001 return -1;
2002
2003 etype = le32_to_cpu(sad->extLength) >> 30;
2004 eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
2005 eloc->partitionReferenceNum =
2006 UDF_I_LOCATION(inode).partitionReferenceNum;
2007 *elen =
2008 le32_to_cpu(sad->
2009 extLength) & UDF_EXTENT_LENGTH_MASK;
2010 break;
2011 }
2012 case ICBTAG_FLAG_AD_LONG: 1820 case ICBTAG_FLAG_AD_LONG:
2013 { 1821 if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc)))
2014 long_ad *lad;
2015
2016 if (!
2017 (lad =
2018 udf_get_filelongad(ptr, alen, &epos->offset, inc)))
2019 return -1;
2020
2021 etype = le32_to_cpu(lad->extLength) >> 30;
2022 *eloc = lelb_to_cpu(lad->extLocation);
2023 *elen =
2024 le32_to_cpu(lad->
2025 extLength) & UDF_EXTENT_LENGTH_MASK;
2026 break;
2027 }
2028 default:
2029 {
2030 udf_debug("alloc_type = %d unsupported\n",
2031 UDF_I_ALLOCTYPE(inode));
2032 return -1; 1822 return -1;
2033 } 1823 etype = le32_to_cpu(lad->extLength) >> 30;
1824 *eloc = lelb_to_cpu(lad->extLocation);
1825 *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
1826 break;
1827 default:
1828 udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode));
1829 return -1;
2034 } 1830 }
2035 1831
2036 return etype; 1832 return etype;
2037} 1833}
2038 1834
2039static int8_t 1835static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
2040udf_insert_aext(struct inode *inode, struct extent_position epos, 1836 kernel_lb_addr neloc, uint32_t nelen)
2041 kernel_lb_addr neloc, uint32_t nelen)
2042{ 1837{
2043 kernel_lb_addr oeloc; 1838 kernel_lb_addr oeloc;
2044 uint32_t oelen; 1839 uint32_t oelen;
@@ -2049,12 +1844,12 @@ udf_insert_aext(struct inode *inode, struct extent_position epos,
2049 1844
2050 while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { 1845 while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {
2051 udf_write_aext(inode, &epos, neloc, nelen, 1); 1846 udf_write_aext(inode, &epos, neloc, nelen, 1);
2052
2053 neloc = oeloc; 1847 neloc = oeloc;
2054 nelen = (etype << 30) | oelen; 1848 nelen = (etype << 30) | oelen;
2055 } 1849 }
2056 udf_add_aext(inode, &epos, neloc, nelen, 1); 1850 udf_add_aext(inode, &epos, neloc, nelen, 1);
2057 brelse(epos.bh); 1851 brelse(epos.bh);
1852
2058 return (nelen >> 30); 1853 return (nelen >> 30);
2059} 1854}
2060 1855
@@ -2105,15 +1900,12 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
2105 } else { 1900 } else {
2106 aed = (struct allocExtDesc *)oepos.bh->b_data; 1901 aed = (struct allocExtDesc *)oepos.bh->b_data;
2107 aed->lengthAllocDescs = 1902 aed->lengthAllocDescs =
2108 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - 1903 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize));
2109 (2 * adsize)); 1904 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
2110 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 1905 UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
2111 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) 1906 udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize));
2112 udf_update_tag(oepos.bh->b_data,
2113 oepos.offset - (2 * adsize));
2114 else 1907 else
2115 udf_update_tag(oepos.bh->b_data, 1908 udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
2116 sizeof(struct allocExtDesc));
2117 mark_buffer_dirty_inode(oepos.bh, inode); 1909 mark_buffer_dirty_inode(oepos.bh, inode);
2118 } 1910 }
2119 } else { 1911 } else {
@@ -2124,21 +1916,19 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
2124 } else { 1916 } else {
2125 aed = (struct allocExtDesc *)oepos.bh->b_data; 1917 aed = (struct allocExtDesc *)oepos.bh->b_data;
2126 aed->lengthAllocDescs = 1918 aed->lengthAllocDescs =
2127 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - 1919 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize);
2128 adsize); 1920 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
2129 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 1921 UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
2130 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) 1922 udf_update_tag(oepos.bh->b_data, epos.offset - adsize);
2131 udf_update_tag(oepos.bh->b_data,
2132 epos.offset - adsize);
2133 else 1923 else
2134 udf_update_tag(oepos.bh->b_data, 1924 udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
2135 sizeof(struct allocExtDesc));
2136 mark_buffer_dirty_inode(oepos.bh, inode); 1925 mark_buffer_dirty_inode(oepos.bh, inode);
2137 } 1926 }
2138 } 1927 }
2139 1928
2140 brelse(epos.bh); 1929 brelse(epos.bh);
2141 brelse(oepos.bh); 1930 brelse(oepos.bh);
1931
2142 return (elen >> 30); 1932 return (elen >> 30);
2143} 1933}
2144 1934
@@ -2162,8 +1952,7 @@ int8_t inode_bmap(struct inode * inode, sector_t block,
2162 1952
2163 do { 1953 do {
2164 if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { 1954 if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) {
2165 *offset = 1955 *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits;
2166 (bcount - lbcount) >> inode->i_sb->s_blocksize_bits;
2167 UDF_I_LENEXTENTS(inode) = lbcount; 1956 UDF_I_LENEXTENTS(inode) = lbcount;
2168 return -1; 1957 return -1;
2169 } 1958 }
@@ -2180,13 +1969,12 @@ long udf_block_map(struct inode *inode, sector_t block)
2180 kernel_lb_addr eloc; 1969 kernel_lb_addr eloc;
2181 uint32_t elen; 1970 uint32_t elen;
2182 sector_t offset; 1971 sector_t offset;
2183 struct extent_position epos = { NULL, 0, {0, 0} }; 1972 struct extent_position epos = {};
2184 int ret; 1973 int ret;
2185 1974
2186 lock_kernel(); 1975 lock_kernel();
2187 1976
2188 if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == 1977 if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
2189 (EXT_RECORDED_ALLOCATED >> 30))
2190 ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); 1978 ret = udf_get_lb_pblock(inode->i_sb, eloc, offset);
2191 else 1979 else
2192 ret = 0; 1980 ret = 0;
diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c
index 4826c3616eef..579bae71e67e 100644
--- a/fs/udf/lowlevel.c
+++ b/fs/udf/lowlevel.c
@@ -43,7 +43,7 @@ unsigned int udf_get_last_session(struct super_block *sb)
43 udf_debug("XA disk: %s, vol_desc_start=%d\n", 43 udf_debug("XA disk: %s, vol_desc_start=%d\n",
44 (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba); 44 (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
45#if WE_OBEY_THE_WRITTEN_STANDARDS 45#if WE_OBEY_THE_WRITTEN_STANDARDS
46 if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ 46 if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
47#endif 47#endif
48 vol_desc_start = ms_info.addr.lba; 48 vol_desc_start = ms_info.addr.lba;
49 } else { 49 } else {
@@ -57,7 +57,7 @@ unsigned long udf_get_last_block(struct super_block *sb)
57 struct block_device *bdev = sb->s_bdev; 57 struct block_device *bdev = sb->s_bdev;
58 unsigned long lblock = 0; 58 unsigned long lblock = 0;
59 59
60 if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long)&lblock)) 60 if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock))
61 lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; 61 lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits;
62 62
63 if (lblock) 63 if (lblock)
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index a7f57277a96e..15297deb5051 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -54,15 +54,15 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
54 int i; 54 int i;
55 55
56 ea = UDF_I_DATA(inode); 56 ea = UDF_I_DATA(inode);
57 if (UDF_I_LENEATTR(inode)) 57 if (UDF_I_LENEATTR(inode)) {
58 ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); 58 ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
59 else { 59 } else {
60 ad = ea; 60 ad = ea;
61 size += sizeof(struct extendedAttrHeaderDesc); 61 size += sizeof(struct extendedAttrHeaderDesc);
62 } 62 }
63 63
64 offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) - 64 offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) -
65 UDF_I_LENALLOC(inode); 65 UDF_I_LENALLOC(inode);
66 66
67 /* TODO - Check for FreeEASpace */ 67 /* TODO - Check for FreeEASpace */
68 68
@@ -76,56 +76,45 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
76 76
77 if (UDF_I_LENEATTR(inode)) { 77 if (UDF_I_LENEATTR(inode)) {
78 /* check checksum/crc */ 78 /* check checksum/crc */
79 if (le16_to_cpu(eahd->descTag.tagIdent) != 79 if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
80 TAG_IDENT_EAHD 80 le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) {
81 || le32_to_cpu(eahd->descTag.tagLocation) !=
82 UDF_I_LOCATION(inode).logicalBlockNum) {
83 return NULL; 81 return NULL;
84 } 82 }
85 } else { 83 } else {
86 size -= sizeof(struct extendedAttrHeaderDesc); 84 size -= sizeof(struct extendedAttrHeaderDesc);
87 UDF_I_LENEATTR(inode) += 85 UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc);
88 sizeof(struct extendedAttrHeaderDesc);
89 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); 86 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
90 if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) 87 if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
91 eahd->descTag.descVersion = cpu_to_le16(3); 88 eahd->descTag.descVersion = cpu_to_le16(3);
92 else 89 else
93 eahd->descTag.descVersion = cpu_to_le16(2); 90 eahd->descTag.descVersion = cpu_to_le16(2);
94 eahd->descTag.tagSerialNum = 91 eahd->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
95 cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); 92 eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
96 eahd->descTag.tagLocation =
97 cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
98 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); 93 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF);
99 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); 94 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF);
100 } 95 }
101 96
102 offset = UDF_I_LENEATTR(inode); 97 offset = UDF_I_LENEATTR(inode);
103 if (type < 2048) { 98 if (type < 2048) {
104 if (le32_to_cpu(eahd->appAttrLocation) < 99 if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) {
105 UDF_I_LENEATTR(inode)) { 100 uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
106 uint32_t aal = 101 memmove(&ea[offset - aal + size],
107 le32_to_cpu(eahd->appAttrLocation); 102 &ea[aal], offset - aal);
108 memmove(&ea[offset - aal + size], &ea[aal],
109 offset - aal);
110 offset -= aal; 103 offset -= aal;
111 eahd->appAttrLocation = cpu_to_le32(aal + size); 104 eahd->appAttrLocation = cpu_to_le32(aal + size);
112 } 105 }
113 if (le32_to_cpu(eahd->impAttrLocation) < 106 if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode)) {
114 UDF_I_LENEATTR(inode)) { 107 uint32_t ial = le32_to_cpu(eahd->impAttrLocation);
115 uint32_t ial = 108 memmove(&ea[offset - ial + size],
116 le32_to_cpu(eahd->impAttrLocation); 109 &ea[ial], offset - ial);
117 memmove(&ea[offset - ial + size], &ea[ial],
118 offset - ial);
119 offset -= ial; 110 offset -= ial;
120 eahd->impAttrLocation = cpu_to_le32(ial + size); 111 eahd->impAttrLocation = cpu_to_le32(ial + size);
121 } 112 }
122 } else if (type < 65536) { 113 } else if (type < 65536) {
123 if (le32_to_cpu(eahd->appAttrLocation) < 114 if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) {
124 UDF_I_LENEATTR(inode)) { 115 uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
125 uint32_t aal = 116 memmove(&ea[offset - aal + size],
126 le32_to_cpu(eahd->appAttrLocation); 117 &ea[aal], offset - aal);
127 memmove(&ea[offset - aal + size], &ea[aal],
128 offset - aal);
129 offset -= aal; 118 offset -= aal;
130 eahd->appAttrLocation = cpu_to_le32(aal + size); 119 eahd->appAttrLocation = cpu_to_le32(aal + size);
131 } 120 }
@@ -133,18 +122,18 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
133 /* rewrite CRC + checksum of eahd */ 122 /* rewrite CRC + checksum of eahd */
134 crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag); 123 crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag);
135 eahd->descTag.descCRCLength = cpu_to_le16(crclen); 124 eahd->descTag.descCRCLength = cpu_to_le16(crclen);
136 eahd->descTag.descCRC = 125 eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd +
137 cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0)); 126 sizeof(tag), crclen, 0));
138 eahd->descTag.tagChecksum = 0; 127 eahd->descTag.tagChecksum = 0;
139 for (i = 0; i < 16; i++) 128 for (i = 0; i < 16; i++)
140 if (i != 4) 129 if (i != 4)
141 eahd->descTag.tagChecksum += 130 eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i];
142 ((uint8_t *) & (eahd->descTag))[i];
143 UDF_I_LENEATTR(inode) += size; 131 UDF_I_LENEATTR(inode) += size;
144 return (struct genericFormat *)&ea[offset]; 132 return (struct genericFormat *)&ea[offset];
145 } 133 }
146 if (loc & 0x02) { 134 if (loc & 0x02) {
147 } 135 }
136
148 return NULL; 137 return NULL;
149} 138}
150 139
@@ -163,8 +152,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
163 152
164 /* check checksum/crc */ 153 /* check checksum/crc */
165 if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || 154 if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
166 le32_to_cpu(eahd->descTag.tagLocation) != 155 le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) {
167 UDF_I_LOCATION(inode).logicalBlockNum) {
168 return NULL; 156 return NULL;
169 } 157 }
170 158
@@ -177,13 +165,13 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
177 165
178 while (offset < UDF_I_LENEATTR(inode)) { 166 while (offset < UDF_I_LENEATTR(inode)) {
179 gaf = (struct genericFormat *)&ea[offset]; 167 gaf = (struct genericFormat *)&ea[offset];
180 if (le32_to_cpu(gaf->attrType) == type 168 if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype)
181 && gaf->attrSubtype == subtype)
182 return gaf; 169 return gaf;
183 else 170 else
184 offset += le32_to_cpu(gaf->attrLength); 171 offset += le32_to_cpu(gaf->attrLength);
185 } 172 }
186 } 173 }
174
187 return NULL; 175 return NULL;
188} 176}
189 177
@@ -216,23 +204,22 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
216 return NULL; 204 return NULL;
217 } 205 }
218 206
219 tag_p = (tag *) (bh->b_data); 207 tag_p = (tag *)(bh->b_data);
220 208
221 *ident = le16_to_cpu(tag_p->tagIdent); 209 *ident = le16_to_cpu(tag_p->tagIdent);
222 210
223 if (location != le32_to_cpu(tag_p->tagLocation)) { 211 if (location != le32_to_cpu(tag_p->tagLocation)) {
224 udf_debug("location mismatch block %u, tag %u != %u\n", 212 udf_debug("location mismatch block %u, tag %u != %u\n",
225 block + UDF_SB_SESSION(sb), 213 block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location);
226 le32_to_cpu(tag_p->tagLocation), location);
227 goto error_out; 214 goto error_out;
228 } 215 }
229 216
230 /* Verify the tag checksum */ 217 /* Verify the tag checksum */
231 checksum = 0U; 218 checksum = 0U;
232 for (i = 0; i < 4; i++) 219 for (i = 0; i < 4; i++)
233 checksum += (uint8_t) (bh->b_data[i]); 220 checksum += (uint8_t)(bh->b_data[i]);
234 for (i = 5; i < 16; i++) 221 for (i = 5; i < 16; i++)
235 checksum += (uint8_t) (bh->b_data[i]); 222 checksum += (uint8_t)(bh->b_data[i]);
236 if (checksum != tag_p->tagChecksum) { 223 if (checksum != tag_p->tagChecksum) {
237 printk(KERN_ERR "udf: tag checksum failed block %d\n", block); 224 printk(KERN_ERR "udf: tag checksum failed block %d\n", block);
238 goto error_out; 225 goto error_out;
@@ -249,16 +236,14 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
249 /* Verify the descriptor CRC */ 236 /* Verify the descriptor CRC */
250 if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize || 237 if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize ||
251 le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag), 238 le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
252 le16_to_cpu(tag_p-> 239 le16_to_cpu(tag_p->descCRCLength), 0)) {
253 descCRCLength),
254 0)) {
255 return bh; 240 return bh;
256 } 241 }
257 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", 242 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
258 block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC), 243 block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC),
259 le16_to_cpu(tag_p->descCRCLength)); 244 le16_to_cpu(tag_p->descCRCLength));
260 245
261 error_out: 246error_out:
262 brelse(bh); 247 brelse(bh);
263 return NULL; 248 return NULL;
264} 249}
@@ -272,7 +257,7 @@ struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc,
272 257
273void udf_update_tag(char *data, int length) 258void udf_update_tag(char *data, int length)
274{ 259{
275 tag *tptr = (tag *) data; 260 tag *tptr = (tag *)data;
276 int i; 261 int i;
277 262
278 length -= sizeof(tag); 263 length -= sizeof(tag);
@@ -283,13 +268,13 @@ void udf_update_tag(char *data, int length)
283 268
284 for (i = 0; i < 16; i++) 269 for (i = 0; i < 16; i++)
285 if (i != 4) 270 if (i != 4)
286 tptr->tagChecksum += (uint8_t) (data[i]); 271 tptr->tagChecksum += (uint8_t)(data[i]);
287} 272}
288 273
289void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum, 274void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
290 uint32_t loc, int length) 275 uint32_t loc, int length)
291{ 276{
292 tag *tptr = (tag *) data; 277 tag *tptr = (tag *)data;
293 tptr->tagIdent = cpu_to_le16(ident); 278 tptr->tagIdent = cpu_to_le16(ident);
294 tptr->descVersion = cpu_to_le16(version); 279 tptr->descVersion = cpu_to_le16(version);
295 tptr->tagSerialNum = cpu_to_le16(snum); 280 tptr->tagSerialNum = cpu_to_le16(snum);
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 334d363a0903..bec96a6b3343 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -37,6 +37,7 @@ static inline int udf_match(int len1, const char *name1, int len2,
37{ 37{
38 if (len1 != len2) 38 if (len1 != len2)
39 return 0; 39 return 0;
40
40 return !memcmp(name1, name2, len1); 41 return !memcmp(name1, name2, len1);
41} 42}
42 43
@@ -52,7 +53,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
52 uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse); 53 uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse);
53 uint8_t lfi = cfi->lengthFileIdent; 54 uint8_t lfi = cfi->lengthFileIdent;
54 int padlen = fibh->eoffset - fibh->soffset - liu - lfi - 55 int padlen = fibh->eoffset - fibh->soffset - liu - lfi -
55 sizeof(struct fileIdentDesc); 56 sizeof(struct fileIdentDesc);
56 int adinicb = 0; 57 int adinicb = 0;
57 58
58 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) 59 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
@@ -61,85 +62,75 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
61 offset = fibh->soffset + sizeof(struct fileIdentDesc); 62 offset = fibh->soffset + sizeof(struct fileIdentDesc);
62 63
63 if (impuse) { 64 if (impuse) {
64 if (adinicb || (offset + liu < 0)) 65 if (adinicb || (offset + liu < 0)) {
65 memcpy((uint8_t *) sfi->impUse, impuse, liu); 66 memcpy((uint8_t *)sfi->impUse, impuse, liu);
66 else if (offset >= 0) 67 } else if (offset >= 0) {
67 memcpy(fibh->ebh->b_data + offset, impuse, liu); 68 memcpy(fibh->ebh->b_data + offset, impuse, liu);
68 else { 69 } else {
69 memcpy((uint8_t *) sfi->impUse, impuse, -offset); 70 memcpy((uint8_t *)sfi->impUse, impuse, -offset);
70 memcpy(fibh->ebh->b_data, impuse - offset, 71 memcpy(fibh->ebh->b_data, impuse - offset, liu + offset);
71 liu + offset);
72 } 72 }
73 } 73 }
74 74
75 offset += liu; 75 offset += liu;
76 76
77 if (fileident) { 77 if (fileident) {
78 if (adinicb || (offset + lfi < 0)) 78 if (adinicb || (offset + lfi < 0)) {
79 memcpy((uint8_t *) sfi->fileIdent + liu, fileident, 79 memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi);
80 lfi); 80 } else if (offset >= 0) {
81 else if (offset >= 0)
82 memcpy(fibh->ebh->b_data + offset, fileident, lfi); 81 memcpy(fibh->ebh->b_data + offset, fileident, lfi);
83 else { 82 } else {
84 memcpy((uint8_t *) sfi->fileIdent + liu, fileident, 83 memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset);
85 -offset); 84 memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset);
86 memcpy(fibh->ebh->b_data, fileident - offset,
87 lfi + offset);
88 } 85 }
89 } 86 }
90 87
91 offset += lfi; 88 offset += lfi;
92 89
93 if (adinicb || (offset + padlen < 0)) 90 if (adinicb || (offset + padlen < 0)) {
94 memset((uint8_t *) sfi->padding + liu + lfi, 0x00, padlen); 91 memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen);
95 else if (offset >= 0) 92 } else if (offset >= 0) {
96 memset(fibh->ebh->b_data + offset, 0x00, padlen); 93 memset(fibh->ebh->b_data + offset, 0x00, padlen);
97 else { 94 } else {
98 memset((uint8_t *) sfi->padding + liu + lfi, 0x00, -offset); 95 memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset);
99 memset(fibh->ebh->b_data, 0x00, padlen + offset); 96 memset(fibh->ebh->b_data, 0x00, padlen + offset);
100 } 97 }
101 98
102 crc = 99 crc = udf_crc((uint8_t *)cfi + sizeof(tag),
103 udf_crc((uint8_t *) cfi + sizeof(tag), 100 sizeof(struct fileIdentDesc) - sizeof(tag), 0);
104 sizeof(struct fileIdentDesc) - sizeof(tag), 0); 101
105 102 if (fibh->sbh == fibh->ebh) {
106 if (fibh->sbh == fibh->ebh) 103 crc = udf_crc((uint8_t *)sfi->impUse,
107 crc = udf_crc((uint8_t *) sfi->impUse, 104 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
108 crclen + sizeof(tag) - 105 } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) {
109 sizeof(struct fileIdentDesc), crc); 106 crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset,
110 else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) 107 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
111 crc = 108 } else {
112 udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + 109 crc = udf_crc((uint8_t *)sfi->impUse,
113 fibh->soffset, 110 -fibh->soffset - sizeof(struct fileIdentDesc), crc);
114 crclen + sizeof(tag) - sizeof(struct fileIdentDesc),
115 crc);
116 else {
117 crc = udf_crc((uint8_t *) sfi->impUse,
118 -fibh->soffset - sizeof(struct fileIdentDesc),
119 crc);
120 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc); 111 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc);
121 } 112 }
122 113
123 cfi->descTag.descCRC = cpu_to_le16(crc); 114 cfi->descTag.descCRC = cpu_to_le16(crc);
124 cfi->descTag.descCRCLength = cpu_to_le16(crclen); 115 cfi->descTag.descCRCLength = cpu_to_le16(crclen);
125 116
126 for (i = 0; i < 16; i++) 117 for (i = 0; i < 16; i++) {
127 if (i != 4) 118 if (i != 4)
128 checksum += ((uint8_t *) & cfi->descTag)[i]; 119 checksum += ((uint8_t *)&cfi->descTag)[i];
120 }
129 121
130 cfi->descTag.tagChecksum = checksum; 122 cfi->descTag.tagChecksum = checksum;
131 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) 123 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) {
132 memcpy((uint8_t *) sfi, (uint8_t *) cfi, 124 memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc));
133 sizeof(struct fileIdentDesc)); 125 } else {
134 else { 126 memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset);
135 memcpy((uint8_t *) sfi, (uint8_t *) cfi, -fibh->soffset); 127 memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset,
136 memcpy(fibh->ebh->b_data, (uint8_t *) cfi - fibh->soffset,
137 sizeof(struct fileIdentDesc) + fibh->soffset); 128 sizeof(struct fileIdentDesc) + fibh->soffset);
138 } 129 }
139 130
140 if (adinicb) 131 if (adinicb) {
141 mark_inode_dirty(inode); 132 mark_inode_dirty(inode);
142 else { 133 } else {
143 if (fibh->sbh != fibh->ebh) 134 if (fibh->sbh != fibh->ebh)
144 mark_buffer_dirty_inode(fibh->ebh, inode); 135 mark_buffer_dirty_inode(fibh->ebh, inode);
145 mark_buffer_dirty_inode(fibh->sbh, inode); 136 mark_buffer_dirty_inode(fibh->sbh, inode);
@@ -163,26 +154,25 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
163 kernel_lb_addr eloc; 154 kernel_lb_addr eloc;
164 uint32_t elen; 155 uint32_t elen;
165 sector_t offset; 156 sector_t offset;
166 struct extent_position epos = { NULL, 0, {0, 0} }; 157 struct extent_position epos = {};
167 158
168 size = (udf_ext0_offset(dir) + dir->i_size) >> 2; 159 size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
169 f_pos = (udf_ext0_offset(dir) >> 2); 160 f_pos = (udf_ext0_offset(dir) >> 2);
170 161
171 fibh->soffset = fibh->eoffset = 162 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
172 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 163 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
173 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
174 fibh->sbh = fibh->ebh = NULL; 164 fibh->sbh = fibh->ebh = NULL;
175 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 165 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
176 &epos, &eloc, &elen, 166 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
177 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
178 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 167 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
179 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 168 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
180 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 169 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
181 epos.offset -= sizeof(short_ad); 170 epos.offset -= sizeof(short_ad);
182 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 171 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
183 epos.offset -= sizeof(long_ad); 172 epos.offset -= sizeof(long_ad);
184 } else 173 } else {
185 offset = 0; 174 offset = 0;
175 }
186 176
187 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 177 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
188 brelse(epos.bh); 178 brelse(epos.bh);
@@ -196,7 +186,6 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
196 while ((f_pos < size)) { 186 while ((f_pos < size)) {
197 fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, 187 fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
198 &elen, &offset); 188 &elen, &offset);
199
200 if (!fi) { 189 if (!fi) {
201 if (fibh->sbh != fibh->ebh) 190 if (fibh->sbh != fibh->ebh)
202 brelse(fibh->ebh); 191 brelse(fibh->ebh);
@@ -213,20 +202,14 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
213 } else { 202 } else {
214 int poffset; /* Unpaded ending offset */ 203 int poffset; /* Unpaded ending offset */
215 204
216 poffset = 205 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
217 fibh->soffset + sizeof(struct fileIdentDesc) + liu +
218 lfi;
219 206
220 if (poffset >= lfi) 207 if (poffset >= lfi) {
221 nameptr = 208 nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi);
222 (uint8_t *) (fibh->ebh->b_data + poffset - 209 } else {
223 lfi);
224 else {
225 nameptr = fname; 210 nameptr = fname;
226 memcpy(nameptr, fi->fileIdent + liu, 211 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
227 lfi - poffset); 212 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
228 memcpy(nameptr + lfi - poffset,
229 fibh->ebh->b_data, poffset);
230 } 213 }
231 } 214 }
232 215
@@ -244,18 +227,18 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
244 continue; 227 continue;
245 228
246 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) { 229 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) {
247 if (udf_match 230 if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
248 (flen, fname, dentry->d_name.len,
249 dentry->d_name.name)) {
250 brelse(epos.bh); 231 brelse(epos.bh);
251 return fi; 232 return fi;
252 } 233 }
253 } 234 }
254 } 235 }
236
255 if (fibh->sbh != fibh->ebh) 237 if (fibh->sbh != fibh->ebh)
256 brelse(fibh->ebh); 238 brelse(fibh->ebh);
257 brelse(fibh->sbh); 239 brelse(fibh->sbh);
258 brelse(epos.bh); 240 brelse(epos.bh);
241
259 return NULL; 242 return NULL;
260} 243}
261 244
@@ -306,15 +289,19 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
306#ifdef UDF_RECOVERY 289#ifdef UDF_RECOVERY
307 /* temporary shorthand for specifying files by inode number */ 290 /* temporary shorthand for specifying files by inode number */
308 if (!strncmp(dentry->d_name.name, ".B=", 3)) { 291 if (!strncmp(dentry->d_name.name, ".B=", 3)) {
309 kernel_lb_addr lb = 292 kernel_lb_addr lb = {
310 { 0, simple_strtoul(dentry->d_name.name + 3, NULL, 0) }; 293 .logicalBlockNum = 0,
294 .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3,
295 NULL, 0),
296 };
311 inode = udf_iget(dir->i_sb, lb); 297 inode = udf_iget(dir->i_sb, lb);
312 if (!inode) { 298 if (!inode) {
313 unlock_kernel(); 299 unlock_kernel();
314 return ERR_PTR(-EACCES); 300 return ERR_PTR(-EACCES);
315 } 301 }
316 } else 302 }
317#endif /* UDF_RECOVERY */ 303 else
304#endif /* UDF_RECOVERY */
318 305
319 if (udf_find_entry(dir, dentry, &fibh, &cfi)) { 306 if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
320 if (fibh.sbh != fibh.ebh) 307 if (fibh.sbh != fibh.ebh)
@@ -329,6 +316,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
329 } 316 }
330 unlock_kernel(); 317 unlock_kernel();
331 d_add(dentry, inode); 318 d_add(dentry, inode);
319
332 return NULL; 320 return NULL;
333} 321}
334 322
@@ -352,7 +340,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
352 kernel_lb_addr eloc; 340 kernel_lb_addr eloc;
353 uint32_t elen; 341 uint32_t elen;
354 sector_t offset; 342 sector_t offset;
355 struct extent_position epos = { NULL, 0, {0, 0} }; 343 struct extent_position epos = {};
356 344
357 sb = dir->i_sb; 345 sb = dir->i_sb;
358 346
@@ -361,36 +349,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
361 *err = -EINVAL; 349 *err = -EINVAL;
362 return NULL; 350 return NULL;
363 } 351 }
364 352 if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name,
365 if (! 353 dentry->d_name.len))) {
366 (namelen =
367 udf_put_filename(sb, dentry->d_name.name, name,
368 dentry->d_name.len))) {
369 *err = -ENAMETOOLONG; 354 *err = -ENAMETOOLONG;
370 return NULL; 355 return NULL;
371 } 356 }
372 } else 357 } else {
373 namelen = 0; 358 namelen = 0;
359 }
374 360
375 nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3; 361 nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3;
376 362
377 f_pos = (udf_ext0_offset(dir) >> 2); 363 f_pos = (udf_ext0_offset(dir) >> 2);
378 364
379 fibh->soffset = fibh->eoffset = 365 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
380 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 366 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
381 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
382 fibh->sbh = fibh->ebh = NULL; 367 fibh->sbh = fibh->ebh = NULL;
383 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 368 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
384 &epos, &eloc, &elen, 369 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
385 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
386 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 370 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
387 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 371 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
388 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 372 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
389 epos.offset -= sizeof(short_ad); 373 epos.offset -= sizeof(short_ad);
390 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 374 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
391 epos.offset -= sizeof(long_ad); 375 epos.offset -= sizeof(long_ad);
392 } else 376 } else {
393 offset = 0; 377 offset = 0;
378 }
394 379
395 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 380 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
396 brelse(epos.bh); 381 brelse(epos.bh);
@@ -423,40 +408,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
423 liu = le16_to_cpu(cfi->lengthOfImpUse); 408 liu = le16_to_cpu(cfi->lengthOfImpUse);
424 lfi = cfi->lengthFileIdent; 409 lfi = cfi->lengthFileIdent;
425 410
426 if (fibh->sbh == fibh->ebh) 411 if (fibh->sbh == fibh->ebh) {
427 nameptr = fi->fileIdent + liu; 412 nameptr = fi->fileIdent + liu;
428 else { 413 } else {
429 int poffset; /* Unpaded ending offset */ 414 int poffset; /* Unpaded ending offset */
430 415
431 poffset = 416 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
432 fibh->soffset + sizeof(struct fileIdentDesc) + liu +
433 lfi;
434 417
435 if (poffset >= lfi) 418 if (poffset >= lfi) {
436 nameptr = 419 nameptr = (char *)(fibh->ebh->b_data + poffset - lfi);
437 (char *)(fibh->ebh->b_data + poffset - lfi); 420 } else {
438 else {
439 nameptr = fname; 421 nameptr = fname;
440 memcpy(nameptr, fi->fileIdent + liu, 422 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
441 lfi - poffset); 423 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
442 memcpy(nameptr + lfi - poffset,
443 fibh->ebh->b_data, poffset);
444 } 424 }
445 } 425 }
446 426
447 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { 427 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
448 if (((sizeof(struct fileIdentDesc) + liu + lfi + 428 if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) {
449 3) & ~3) == nfidlen) {
450 brelse(epos.bh); 429 brelse(epos.bh);
451 cfi->descTag.tagSerialNum = cpu_to_le16(1); 430 cfi->descTag.tagSerialNum = cpu_to_le16(1);
452 cfi->fileVersionNum = cpu_to_le16(1); 431 cfi->fileVersionNum = cpu_to_le16(1);
453 cfi->fileCharacteristics = 0; 432 cfi->fileCharacteristics = 0;
454 cfi->lengthFileIdent = namelen; 433 cfi->lengthFileIdent = namelen;
455 cfi->lengthOfImpUse = cpu_to_le16(0); 434 cfi->lengthOfImpUse = cpu_to_le16(0);
456 if (!udf_write_fi 435 if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {
457 (dir, cfi, fi, fibh, NULL, name))
458 return fi; 436 return fi;
459 else { 437 } else {
460 *err = -EIO; 438 *err = -EIO;
461 return NULL; 439 return NULL;
462 } 440 }
@@ -467,8 +445,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
467 continue; 445 continue;
468 446
469 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) && 447 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) &&
470 udf_match(flen, fname, dentry->d_name.len, 448 udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
471 dentry->d_name.name)) {
472 if (fibh->sbh != fibh->ebh) 449 if (fibh->sbh != fibh->ebh)
473 brelse(fibh->ebh); 450 brelse(fibh->ebh);
474 brelse(fibh->sbh); 451 brelse(fibh->sbh);
@@ -478,7 +455,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
478 } 455 }
479 } 456 }
480 457
481 add: 458add:
482 f_pos += nfidlen; 459 f_pos += nfidlen;
483 460
484 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && 461 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB &&
@@ -491,14 +468,11 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
491 if (fibh->sbh != fibh->ebh) 468 if (fibh->sbh != fibh->ebh)
492 brelse(fibh->ebh); 469 brelse(fibh->ebh);
493 brelse(fibh->sbh); 470 brelse(fibh->sbh);
494 if (! 471 if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err)))
495 (fibh->sbh = fibh->ebh =
496 udf_expand_dir_adinicb(dir, &block, err)))
497 return NULL; 472 return NULL;
498 epos.block = UDF_I_LOCATION(dir); 473 epos.block = UDF_I_LOCATION(dir);
499 eloc.logicalBlockNum = block; 474 eloc.logicalBlockNum = block;
500 eloc.partitionReferenceNum = 475 eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
501 UDF_I_LOCATION(dir).partitionReferenceNum;
502 elen = dir->i_sb->s_blocksize; 476 elen = dir->i_sb->s_blocksize;
503 epos.offset = udf_file_entry_alloc_offset(dir); 477 epos.offset = udf_file_entry_alloc_offset(dir);
504 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 478 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
@@ -517,16 +491,13 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
517 491
518 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 492 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
519 block = UDF_I_LOCATION(dir).logicalBlockNum; 493 block = UDF_I_LOCATION(dir).logicalBlockNum;
520 fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + 494 fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset -
521 fibh->soffset -
522 udf_ext0_offset(dir) + 495 udf_ext0_offset(dir) +
523 UDF_I_LENEATTR(dir)); 496 UDF_I_LENEATTR(dir));
524 } else { 497 } else {
525 block = eloc.logicalBlockNum + ((elen - 1) >> 498 block = eloc.logicalBlockNum + ((elen - 1) >>
526 dir->i_sb-> 499 dir->i_sb->s_blocksize_bits);
527 s_blocksize_bits); 500 fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset);
528 fi = (struct fileIdentDesc *)(fibh->sbh->b_data +
529 fibh->soffset);
530 } 501 }
531 } else { 502 } else {
532 fibh->soffset = fibh->eoffset - sb->s_blocksize; 503 fibh->soffset = fibh->eoffset - sb->s_blocksize;
@@ -538,42 +509,36 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
538 509
539 block = eloc.logicalBlockNum + ((elen - 1) >> 510 block = eloc.logicalBlockNum + ((elen - 1) >>
540 dir->i_sb->s_blocksize_bits); 511 dir->i_sb->s_blocksize_bits);
541 512 fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err);
542 if (! 513 if (!fibh->ebh) {
543 (fibh->ebh =
544 udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
545 1, err))) {
546 brelse(epos.bh); 514 brelse(epos.bh);
547 brelse(fibh->sbh); 515 brelse(fibh->sbh);
548 return NULL; 516 return NULL;
549 } 517 }
550 518
551 if (!(fibh->soffset)) { 519 if (!fibh->soffset) {
552 if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == 520 if (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==
553 (EXT_RECORDED_ALLOCATED >> 30)) { 521 (EXT_RECORDED_ALLOCATED >> 30)) {
554 block = eloc.logicalBlockNum + ((elen - 1) >> 522 block = eloc.logicalBlockNum + ((elen - 1) >>
555 dir->i_sb-> 523 dir->i_sb->s_blocksize_bits);
556 s_blocksize_bits); 524 } else {
557 } else
558 block++; 525 block++;
526 }
559 527
560 brelse(fibh->sbh); 528 brelse(fibh->sbh);
561 fibh->sbh = fibh->ebh; 529 fibh->sbh = fibh->ebh;
562 fi = (struct fileIdentDesc *)(fibh->sbh->b_data); 530 fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
563 } else { 531 } else {
564 fi = (struct fileIdentDesc *) 532 fi = (struct fileIdentDesc *)
565 (fibh->sbh->b_data + sb->s_blocksize + 533 (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset);
566 fibh->soffset);
567 } 534 }
568 } 535 }
569 536
570 memset(cfi, 0, sizeof(struct fileIdentDesc)); 537 memset(cfi, 0, sizeof(struct fileIdentDesc));
571 if (UDF_SB_UDFREV(sb) >= 0x0200) 538 if (UDF_SB_UDFREV(sb) >= 0x0200)
572 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, 539 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag));
573 sizeof(tag));
574 else 540 else
575 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, 541 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag));
576 sizeof(tag));
577 cfi->fileVersionNum = cpu_to_le16(1); 542 cfi->fileVersionNum = cpu_to_le16(1);
578 cfi->lengthFileIdent = namelen; 543 cfi->lengthFileIdent = namelen;
579 cfi->lengthOfImpUse = cpu_to_le16(0); 544 cfi->lengthOfImpUse = cpu_to_le16(0);
@@ -599,8 +564,10 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,
599 struct fileIdentDesc *cfi) 564 struct fileIdentDesc *cfi)
600{ 565{
601 cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED; 566 cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED;
567
602 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) 568 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
603 memset(&(cfi->icb), 0x00, sizeof(long_ad)); 569 memset(&(cfi->icb), 0x00, sizeof(long_ad));
570
604 return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); 571 return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);
605} 572}
606 573
@@ -637,8 +604,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
637 } 604 }
638 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 605 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
639 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 606 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
640 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 607 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
641 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 608 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
642 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 609 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
643 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 610 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
644 mark_inode_dirty(dir); 611 mark_inode_dirty(dir);
@@ -648,6 +615,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
648 brelse(fibh.sbh); 615 brelse(fibh.sbh);
649 unlock_kernel(); 616 unlock_kernel();
650 d_instantiate(dentry, inode); 617 d_instantiate(dentry, inode);
618
651 return 0; 619 return 0;
652} 620}
653 621
@@ -679,8 +647,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
679 } 647 }
680 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 648 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
681 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 649 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
682 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 650 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
683 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 651 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
684 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 652 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
685 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 653 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
686 mark_inode_dirty(dir); 654 mark_inode_dirty(dir);
@@ -692,7 +660,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
692 brelse(fibh.sbh); 660 brelse(fibh.sbh);
693 d_instantiate(dentry, inode); 661 d_instantiate(dentry, inode);
694 err = 0; 662 err = 0;
695 out: 663
664out:
696 unlock_kernel(); 665 unlock_kernel();
697 return err; 666 return err;
698} 667}
@@ -725,10 +694,9 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
725 inode->i_nlink = 2; 694 inode->i_nlink = 2;
726 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 695 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
727 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir)); 696 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir));
728 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 697 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
729 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); 698 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
730 cfi.fileCharacteristics = 699 cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
731 FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
732 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); 700 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
733 brelse(fibh.sbh); 701 brelse(fibh.sbh);
734 inode->i_mode = S_IFDIR | mode; 702 inode->i_mode = S_IFDIR | mode;
@@ -744,8 +712,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
744 } 712 }
745 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 713 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
746 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 714 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
747 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 715 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
748 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 716 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
749 cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; 717 cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY;
750 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 718 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
751 inc_nlink(dir); 719 inc_nlink(dir);
@@ -755,7 +723,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
755 brelse(fibh.ebh); 723 brelse(fibh.ebh);
756 brelse(fibh.sbh); 724 brelse(fibh.sbh);
757 err = 0; 725 err = 0;
758 out: 726
727out:
759 unlock_kernel(); 728 unlock_kernel();
760 return err; 729 return err;
761} 730}
@@ -770,26 +739,25 @@ static int empty_dir(struct inode *dir)
770 kernel_lb_addr eloc; 739 kernel_lb_addr eloc;
771 uint32_t elen; 740 uint32_t elen;
772 sector_t offset; 741 sector_t offset;
773 struct extent_position epos = { NULL, 0, {0, 0} }; 742 struct extent_position epos = {};
774 743
775 f_pos = (udf_ext0_offset(dir) >> 2); 744 f_pos = (udf_ext0_offset(dir) >> 2);
776 745
777 fibh.soffset = fibh.eoffset = 746 fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
778 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
779 747
780 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) 748 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
781 fibh.sbh = fibh.ebh = NULL; 749 fibh.sbh = fibh.ebh = NULL;
782 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 750 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
783 &epos, &eloc, &elen, 751 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
784 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
785 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 752 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
786 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 753 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
787 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 754 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
788 epos.offset -= sizeof(short_ad); 755 epos.offset -= sizeof(short_ad);
789 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 756 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
790 epos.offset -= sizeof(long_ad); 757 epos.offset -= sizeof(long_ad);
791 } else 758 } else {
792 offset = 0; 759 offset = 0;
760 }
793 761
794 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { 762 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
795 brelse(epos.bh); 763 brelse(epos.bh);
@@ -803,7 +771,6 @@ static int empty_dir(struct inode *dir)
803 while ((f_pos < size)) { 771 while ((f_pos < size)) {
804 fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, 772 fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,
805 &elen, &offset); 773 &elen, &offset);
806
807 if (!fi) { 774 if (!fi) {
808 if (fibh.sbh != fibh.ebh) 775 if (fibh.sbh != fibh.ebh)
809 brelse(fibh.ebh); 776 brelse(fibh.ebh);
@@ -812,8 +779,8 @@ static int empty_dir(struct inode *dir)
812 return 0; 779 return 0;
813 } 780 }
814 781
815 if (cfi.lengthFileIdent 782 if (cfi.lengthFileIdent &&
816 && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { 783 (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) {
817 if (fibh.sbh != fibh.ebh) 784 if (fibh.sbh != fibh.ebh)
818 brelse(fibh.ebh); 785 brelse(fibh.ebh);
819 brelse(fibh.sbh); 786 brelse(fibh.sbh);
@@ -821,10 +788,12 @@ static int empty_dir(struct inode *dir)
821 return 0; 788 return 0;
822 } 789 }
823 } 790 }
791
824 if (fibh.sbh != fibh.ebh) 792 if (fibh.sbh != fibh.ebh)
825 brelse(fibh.ebh); 793 brelse(fibh.ebh);
826 brelse(fibh.sbh); 794 brelse(fibh.sbh);
827 brelse(epos.bh); 795 brelse(epos.bh);
796
828 return 1; 797 return 1;
829} 798}
830 799
@@ -859,15 +828,15 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
859 clear_nlink(inode); 828 clear_nlink(inode);
860 inode->i_size = 0; 829 inode->i_size = 0;
861 inode_dec_link_count(dir); 830 inode_dec_link_count(dir);
862 inode->i_ctime = dir->i_ctime = dir->i_mtime = 831 inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
863 current_fs_time(dir->i_sb);
864 mark_inode_dirty(dir); 832 mark_inode_dirty(dir);
865 833
866 end_rmdir: 834end_rmdir:
867 if (fibh.sbh != fibh.ebh) 835 if (fibh.sbh != fibh.ebh)
868 brelse(fibh.ebh); 836 brelse(fibh.ebh);
869 brelse(fibh.sbh); 837 brelse(fibh.sbh);
870 out: 838
839out:
871 unlock_kernel(); 840 unlock_kernel();
872 return retval; 841 return retval;
873} 842}
@@ -906,11 +875,12 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
906 inode->i_ctime = dir->i_ctime; 875 inode->i_ctime = dir->i_ctime;
907 retval = 0; 876 retval = 0;
908 877
909 end_unlink: 878end_unlink:
910 if (fibh.sbh != fibh.ebh) 879 if (fibh.sbh != fibh.ebh)
911 brelse(fibh.ebh); 880 brelse(fibh.ebh);
912 brelse(fibh.sbh); 881 brelse(fibh.sbh);
913 out: 882
883out:
914 unlock_kernel(); 884 unlock_kernel();
915 return retval; 885 return retval;
916} 886}
@@ -922,7 +892,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
922 struct pathComponent *pc; 892 struct pathComponent *pc;
923 char *compstart; 893 char *compstart;
924 struct udf_fileident_bh fibh; 894 struct udf_fileident_bh fibh;
925 struct extent_position epos = { NULL, 0, {0, 0} }; 895 struct extent_position epos = {};
926 int eoffset, elen = 0; 896 int eoffset, elen = 0;
927 struct fileIdentDesc *fi; 897 struct fileIdentDesc *fi;
928 struct fileIdentDesc cfi; 898 struct fileIdentDesc cfi;
@@ -945,26 +915,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
945 uint32_t elen; 915 uint32_t elen;
946 916
947 block = udf_new_block(inode->i_sb, inode, 917 block = udf_new_block(inode->i_sb, inode,
948 UDF_I_LOCATION(inode). 918 UDF_I_LOCATION(inode).partitionReferenceNum,
949 partitionReferenceNum, 919 UDF_I_LOCATION(inode).logicalBlockNum, &err);
950 UDF_I_LOCATION(inode).logicalBlockNum,
951 &err);
952 if (!block) 920 if (!block)
953 goto out_no_entry; 921 goto out_no_entry;
954 epos.block = UDF_I_LOCATION(inode); 922 epos.block = UDF_I_LOCATION(inode);
955 epos.offset = udf_file_entry_alloc_offset(inode); 923 epos.offset = udf_file_entry_alloc_offset(inode);
956 epos.bh = NULL; 924 epos.bh = NULL;
957 eloc.logicalBlockNum = block; 925 eloc.logicalBlockNum = block;
958 eloc.partitionReferenceNum = 926 eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
959 UDF_I_LOCATION(inode).partitionReferenceNum;
960 elen = inode->i_sb->s_blocksize; 927 elen = inode->i_sb->s_blocksize;
961 UDF_I_LENEXTENTS(inode) = elen; 928 UDF_I_LENEXTENTS(inode) = elen;
962 udf_add_aext(inode, &epos, eloc, elen, 0); 929 udf_add_aext(inode, &epos, eloc, elen, 0);
963 brelse(epos.bh); 930 brelse(epos.bh);
964 931
965 block = udf_get_pblock(inode->i_sb, block, 932 block = udf_get_pblock(inode->i_sb, block,
966 UDF_I_LOCATION(inode). 933 UDF_I_LOCATION(inode).partitionReferenceNum, 0);
967 partitionReferenceNum, 0);
968 epos.bh = udf_tread(inode->i_sb, block); 934 epos.bh = udf_tread(inode->i_sb, block);
969 lock_buffer(epos.bh); 935 lock_buffer(epos.bh);
970 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); 936 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
@@ -972,8 +938,9 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
972 unlock_buffer(epos.bh); 938 unlock_buffer(epos.bh);
973 mark_buffer_dirty_inode(epos.bh, inode); 939 mark_buffer_dirty_inode(epos.bh, inode);
974 ea = epos.bh->b_data + udf_ext0_offset(inode); 940 ea = epos.bh->b_data + udf_ext0_offset(inode);
975 } else 941 } else {
976 ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); 942 ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
943 }
977 944
978 eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode); 945 eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode);
979 pc = (struct pathComponent *)ea; 946 pc = (struct pathComponent *)ea;
@@ -1010,20 +977,17 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1010 if (compstart[0] == '.') { 977 if (compstart[0] == '.') {
1011 if ((symname - compstart) == 1) 978 if ((symname - compstart) == 1)
1012 pc->componentType = 4; 979 pc->componentType = 4;
1013 else if ((symname - compstart) == 2 980 else if ((symname - compstart) == 2 && compstart[1] == '.')
1014 && compstart[1] == '.')
1015 pc->componentType = 3; 981 pc->componentType = 3;
1016 } 982 }
1017 983
1018 if (pc->componentType == 5) { 984 if (pc->componentType == 5) {
1019 if (! 985 namelen = udf_put_filename(inode->i_sb, compstart, name,
1020 (namelen = 986 symname - compstart);
1021 udf_put_filename(inode->i_sb, compstart, name, 987 if (!namelen)
1022 symname - compstart)))
1023 goto out_no_entry; 988 goto out_no_entry;
1024 989
1025 if (elen + sizeof(struct pathComponent) + namelen > 990 if (elen + sizeof(struct pathComponent) + namelen > eoffset)
1026 eoffset)
1027 goto out_no_entry; 991 goto out_no_entry;
1028 else 992 else
1029 pc->lengthComponentIdent = namelen; 993 pc->lengthComponentIdent = namelen;
@@ -1053,12 +1017,10 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1053 if (UDF_SB_LVIDBH(inode->i_sb)) { 1017 if (UDF_SB_LVIDBH(inode->i_sb)) {
1054 struct logicalVolHeaderDesc *lvhd; 1018 struct logicalVolHeaderDesc *lvhd;
1055 uint64_t uniqueID; 1019 uint64_t uniqueID;
1056 lvhd = 1020 lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
1057 (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
1058 logicalVolContentsUse);
1059 uniqueID = le64_to_cpu(lvhd->uniqueID); 1021 uniqueID = le64_to_cpu(lvhd->uniqueID);
1060 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1022 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1061 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1023 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
1062 if (!(++uniqueID & 0x00000000FFFFFFFFUL)) 1024 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
1063 uniqueID += 16; 1025 uniqueID += 16;
1064 lvhd->uniqueID = cpu_to_le64(uniqueID); 1026 lvhd->uniqueID = cpu_to_le64(uniqueID);
@@ -1074,11 +1036,11 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1074 d_instantiate(dentry, inode); 1036 d_instantiate(dentry, inode);
1075 err = 0; 1037 err = 0;
1076 1038
1077 out: 1039out:
1078 unlock_kernel(); 1040 unlock_kernel();
1079 return err; 1041 return err;
1080 1042
1081 out_no_entry: 1043out_no_entry:
1082 inode_dec_link_count(inode); 1044 inode_dec_link_count(inode);
1083 iput(inode); 1045 iput(inode);
1084 goto out; 1046 goto out;
@@ -1107,12 +1069,10 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1107 if (UDF_SB_LVIDBH(inode->i_sb)) { 1069 if (UDF_SB_LVIDBH(inode->i_sb)) {
1108 struct logicalVolHeaderDesc *lvhd; 1070 struct logicalVolHeaderDesc *lvhd;
1109 uint64_t uniqueID; 1071 uint64_t uniqueID;
1110 lvhd = 1072 lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
1111 (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
1112 logicalVolContentsUse);
1113 uniqueID = le64_to_cpu(lvhd->uniqueID); 1073 uniqueID = le64_to_cpu(lvhd->uniqueID);
1114 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1074 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1115 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1075 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
1116 if (!(++uniqueID & 0x00000000FFFFFFFFUL)) 1076 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
1117 uniqueID += 16; 1077 uniqueID += 16;
1118 lvhd->uniqueID = cpu_to_le64(uniqueID); 1078 lvhd->uniqueID = cpu_to_le64(uniqueID);
@@ -1122,6 +1082,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1122 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 1082 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
1123 mark_inode_dirty(dir); 1083 mark_inode_dirty(dir);
1124 } 1084 }
1085
1125 if (fibh.sbh != fibh.ebh) 1086 if (fibh.sbh != fibh.ebh)
1126 brelse(fibh.ebh); 1087 brelse(fibh.ebh);
1127 brelse(fibh.sbh); 1088 brelse(fibh.sbh);
@@ -1131,6 +1092,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1131 atomic_inc(&inode->i_count); 1092 atomic_inc(&inode->i_count);
1132 d_instantiate(dentry, inode); 1093 d_instantiate(dentry, inode);
1133 unlock_kernel(); 1094 unlock_kernel();
1095
1134 return 0; 1096 return 0;
1135} 1097}
1136 1098
@@ -1143,8 +1105,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1143 struct inode *old_inode = old_dentry->d_inode; 1105 struct inode *old_inode = old_dentry->d_inode;
1144 struct inode *new_inode = new_dentry->d_inode; 1106 struct inode *new_inode = new_dentry->d_inode;
1145 struct udf_fileident_bh ofibh, nfibh; 1107 struct udf_fileident_bh ofibh, nfibh;
1146 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = 1108 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi;
1147 NULL, ocfi, ncfi;
1148 struct buffer_head *dir_bh = NULL; 1109 struct buffer_head *dir_bh = NULL;
1149 int retval = -ENOENT; 1110 int retval = -ENOENT;
1150 kernel_lb_addr tloc; 1111 kernel_lb_addr tloc;
@@ -1181,36 +1142,27 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1181 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1142 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
1182 dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) - 1143 dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) -
1183 (UDF_I_EFE(old_inode) ? 1144 (UDF_I_EFE(old_inode) ?
1184 sizeof(struct 1145 sizeof(struct extendedFileEntry) :
1185 extendedFileEntry) :
1186 sizeof(struct fileEntry)), 1146 sizeof(struct fileEntry)),
1187 old_inode->i_sb->s_blocksize, 1147 old_inode->i_sb->s_blocksize, &offset);
1188 &offset);
1189 } else { 1148 } else {
1190 dir_bh = udf_bread(old_inode, 0, 0, &retval); 1149 dir_bh = udf_bread(old_inode, 0, 0, &retval);
1191 if (!dir_bh) 1150 if (!dir_bh)
1192 goto end_rename; 1151 goto end_rename;
1193 dir_fi = 1152 dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset);
1194 udf_get_fileident(dir_bh->b_data,
1195 old_inode->i_sb->s_blocksize,
1196 &offset);
1197 } 1153 }
1198 if (!dir_fi) 1154 if (!dir_fi)
1199 goto end_rename; 1155 goto end_rename;
1200 tloc = lelb_to_cpu(dir_fi->icb.extLocation); 1156 tloc = lelb_to_cpu(dir_fi->icb.extLocation);
1201 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) 1157 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino)
1202 != old_dir->i_ino)
1203 goto end_rename; 1158 goto end_rename;
1204 1159
1205 retval = -EMLINK; 1160 retval = -EMLINK;
1206 if (!new_inode 1161 if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1)
1207 && new_dir->i_nlink >=
1208 (256 << sizeof(new_dir->i_nlink)) - 1)
1209 goto end_rename; 1162 goto end_rename;
1210 } 1163 }
1211 if (!nfi) { 1164 if (!nfi) {
1212 nfi = 1165 nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
1213 udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
1214 if (!nfi) 1166 if (!nfi)
1215 goto end_rename; 1167 goto end_rename;
1216 } 1168 }
@@ -1244,13 +1196,12 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1244 if (dir_fi) { 1196 if (dir_fi) {
1245 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir)); 1197 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir));
1246 udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) + 1198 udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) +
1247 le16_to_cpu(dir_fi-> 1199 le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
1248 lengthOfImpUse) +
1249 3) & ~3);
1250 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1200 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
1251 mark_inode_dirty(old_inode); 1201 mark_inode_dirty(old_inode);
1252 } else 1202 } else {
1253 mark_buffer_dirty_inode(dir_bh, old_inode); 1203 mark_buffer_dirty_inode(dir_bh, old_inode);
1204 }
1254 inode_dec_link_count(old_dir); 1205 inode_dec_link_count(old_dir);
1255 if (new_inode) { 1206 if (new_inode) {
1256 inode_dec_link_count(new_inode); 1207 inode_dec_link_count(new_inode);
@@ -1268,7 +1219,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1268 1219
1269 retval = 0; 1220 retval = 0;
1270 1221
1271 end_rename: 1222end_rename:
1272 brelse(dir_bh); 1223 brelse(dir_bh);
1273 if (nfi) { 1224 if (nfi) {
1274 if (nfibh.sbh != nfibh.ebh) 1225 if (nfibh.sbh != nfibh.ebh)
@@ -1276,17 +1227,18 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1276 brelse(nfibh.sbh); 1227 brelse(nfibh.sbh);
1277 } 1228 }
1278 unlock_kernel(); 1229 unlock_kernel();
1230
1279 return retval; 1231 return retval;
1280} 1232}
1281 1233
1282const struct inode_operations udf_dir_inode_operations = { 1234const struct inode_operations udf_dir_inode_operations = {
1283 .lookup = udf_lookup, 1235 .lookup = udf_lookup,
1284 .create = udf_create, 1236 .create = udf_create,
1285 .link = udf_link, 1237 .link = udf_link,
1286 .unlink = udf_unlink, 1238 .unlink = udf_unlink,
1287 .symlink = udf_symlink, 1239 .symlink = udf_symlink,
1288 .mkdir = udf_mkdir, 1240 .mkdir = udf_mkdir,
1289 .rmdir = udf_rmdir, 1241 .rmdir = udf_rmdir,
1290 .mknod = udf_mknod, 1242 .mknod = udf_mknod,
1291 .rename = udf_rename, 1243 .rename = udf_rename,
1292}; 1244};
diff --git a/fs/udf/osta_udf.h b/fs/udf/osta_udf.h
index bec5d340d8c5..65ff47902bd2 100644
--- a/fs/udf/osta_udf.h
+++ b/fs/udf/osta_udf.h
@@ -66,64 +66,64 @@
66#define IS_DF_SOFT_WRITE_PROTECT 0x02 66#define IS_DF_SOFT_WRITE_PROTECT 0x02
67 67
68struct UDFIdentSuffix { 68struct UDFIdentSuffix {
69 __le16 UDFRevision; 69 __le16 UDFRevision;
70 uint8_t OSClass; 70 uint8_t OSClass;
71 uint8_t OSIdentifier; 71 uint8_t OSIdentifier;
72 uint8_t reserved[4]; 72 uint8_t reserved[4];
73} __attribute__ ((packed)); 73} __attribute__ ((packed));
74 74
75struct impIdentSuffix { 75struct impIdentSuffix {
76 uint8_t OSClass; 76 uint8_t OSClass;
77 uint8_t OSIdentifier; 77 uint8_t OSIdentifier;
78 uint8_t reserved[6]; 78 uint8_t reserved[6];
79} __attribute__ ((packed)); 79} __attribute__ ((packed));
80 80
81struct appIdentSuffix { 81struct appIdentSuffix {
82 uint8_t impUse[8]; 82 uint8_t impUse[8];
83} __attribute__ ((packed)); 83} __attribute__ ((packed));
84 84
85/* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */ 85/* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */
86/* Implementation Use (UDF 2.50 2.2.6.4) */ 86/* Implementation Use (UDF 2.50 2.2.6.4) */
87struct logicalVolIntegrityDescImpUse { 87struct logicalVolIntegrityDescImpUse {
88 regid impIdent; 88 regid impIdent;
89 __le32 numFiles; 89 __le32 numFiles;
90 __le32 numDirs; 90 __le32 numDirs;
91 __le16 minUDFReadRev; 91 __le16 minUDFReadRev;
92 __le16 minUDFWriteRev; 92 __le16 minUDFWriteRev;
93 __le16 maxUDFWriteRev; 93 __le16 maxUDFWriteRev;
94 uint8_t impUse[0]; 94 uint8_t impUse[0];
95} __attribute__ ((packed)); 95} __attribute__ ((packed));
96 96
97/* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */ 97/* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */
98/* Implementation Use (UDF 2.50 2.2.7.2) */ 98/* Implementation Use (UDF 2.50 2.2.7.2) */
99struct impUseVolDescImpUse { 99struct impUseVolDescImpUse {
100 charspec LVICharset; 100 charspec LVICharset;
101 dstring logicalVolIdent[128]; 101 dstring logicalVolIdent[128];
102 dstring LVInfo1[36]; 102 dstring LVInfo1[36];
103 dstring LVInfo2[36]; 103 dstring LVInfo2[36];
104 dstring LVInfo3[36]; 104 dstring LVInfo3[36];
105 regid impIdent; 105 regid impIdent;
106 uint8_t impUse[128]; 106 uint8_t impUse[128];
107} __attribute__ ((packed)); 107} __attribute__ ((packed));
108 108
109struct udfPartitionMap2 { 109struct udfPartitionMap2 {
110 uint8_t partitionMapType; 110 uint8_t partitionMapType;
111 uint8_t partitionMapLength; 111 uint8_t partitionMapLength;
112 uint8_t reserved1[2]; 112 uint8_t reserved1[2];
113 regid partIdent; 113 regid partIdent;
114 __le16 volSeqNum; 114 __le16 volSeqNum;
115 __le16 partitionNum; 115 __le16 partitionNum;
116} __attribute__ ((packed)); 116} __attribute__ ((packed));
117 117
118/* Virtual Partition Map (UDF 2.50 2.2.8) */ 118/* Virtual Partition Map (UDF 2.50 2.2.8) */
119struct virtualPartitionMap { 119struct virtualPartitionMap {
120 uint8_t partitionMapType; 120 uint8_t partitionMapType;
121 uint8_t partitionMapLength; 121 uint8_t partitionMapLength;
122 uint8_t reserved1[2]; 122 uint8_t reserved1[2];
123 regid partIdent; 123 regid partIdent;
124 __le16 volSeqNum; 124 __le16 volSeqNum;
125 __le16 partitionNum; 125 __le16 partitionNum;
126 uint8_t reserved2[24]; 126 uint8_t reserved2[24];
127} __attribute__ ((packed)); 127} __attribute__ ((packed));
128 128
129/* Sparable Partition Map (UDF 2.50 2.2.9) */ 129/* Sparable Partition Map (UDF 2.50 2.2.9) */
@@ -143,62 +143,62 @@ struct sparablePartitionMap {
143 143
144/* Metadata Partition Map (UDF 2.4.0 2.2.10) */ 144/* Metadata Partition Map (UDF 2.4.0 2.2.10) */
145struct metadataPartitionMap { 145struct metadataPartitionMap {
146 uint8_t partitionMapType; 146 uint8_t partitionMapType;
147 uint8_t partitionMapLength; 147 uint8_t partitionMapLength;
148 uint8_t reserved1[2]; 148 uint8_t reserved1[2];
149 regid partIdent; 149 regid partIdent;
150 __le16 volSeqNum; 150 __le16 volSeqNum;
151 __le16 partitionNum; 151 __le16 partitionNum;
152 __le32 metadataFileLoc; 152 __le32 metadataFileLoc;
153 __le32 metadataMirrorFileLoc; 153 __le32 metadataMirrorFileLoc;
154 __le32 metadataBitmapFileLoc; 154 __le32 metadataBitmapFileLoc;
155 __le32 allocUnitSize; 155 __le32 allocUnitSize;
156 __le16 alignUnitSize; 156 __le16 alignUnitSize;
157 uint8_t flags; 157 uint8_t flags;
158 uint8_t reserved2[5]; 158 uint8_t reserved2[5];
159} __attribute__ ((packed)); 159} __attribute__ ((packed));
160 160
161/* Virtual Allocation Table (UDF 1.5 2.2.10) */ 161/* Virtual Allocation Table (UDF 1.5 2.2.10) */
162struct virtualAllocationTable15 { 162struct virtualAllocationTable15 {
163 __le32 VirtualSector[0]; 163 __le32 VirtualSector[0];
164 regid vatIdent; 164 regid vatIdent;
165 __le32 previousVATICBLoc; 165 __le32 previousVATICBLoc;
166} __attribute__ ((packed)); 166} __attribute__ ((packed));
167 167
168#define ICBTAG_FILE_TYPE_VAT15 0x00U 168#define ICBTAG_FILE_TYPE_VAT15 0x00U
169 169
170/* Virtual Allocation Table (UDF 2.50 2.2.11) */ 170/* Virtual Allocation Table (UDF 2.50 2.2.11) */
171struct virtualAllocationTable20 { 171struct virtualAllocationTable20 {
172 __le16 lengthHeader; 172 __le16 lengthHeader;
173 __le16 lengthImpUse; 173 __le16 lengthImpUse;
174 dstring logicalVolIdent[128]; 174 dstring logicalVolIdent[128];
175 __le32 previousVATICBLoc; 175 __le32 previousVATICBLoc;
176 __le32 numFiles; 176 __le32 numFiles;
177 __le32 numDirs; 177 __le32 numDirs;
178 __le16 minReadRevision; 178 __le16 minReadRevision;
179 __le16 minWriteRevision; 179 __le16 minWriteRevision;
180 __le16 maxWriteRevision; 180 __le16 maxWriteRevision;
181 __le16 reserved; 181 __le16 reserved;
182 uint8_t impUse[0]; 182 uint8_t impUse[0];
183 __le32 vatEntry[0]; 183 __le32 vatEntry[0];
184} __attribute__ ((packed)); 184} __attribute__ ((packed));
185 185
186#define ICBTAG_FILE_TYPE_VAT20 0xF8U 186#define ICBTAG_FILE_TYPE_VAT20 0xF8U
187 187
188/* Sparing Table (UDF 2.50 2.2.12) */ 188/* Sparing Table (UDF 2.50 2.2.12) */
189struct sparingEntry { 189struct sparingEntry {
190 __le32 origLocation; 190 __le32 origLocation;
191 __le32 mappedLocation; 191 __le32 mappedLocation;
192} __attribute__ ((packed)); 192} __attribute__ ((packed));
193 193
194struct sparingTable { 194struct sparingTable {
195 tag descTag; 195 tag descTag;
196 regid sparingIdent; 196 regid sparingIdent;
197 __le16 reallocationTableLen; 197 __le16 reallocationTableLen;
198 __le16 reserved; 198 __le16 reserved;
199 __le32 sequenceNum; 199 __le32 sequenceNum;
200 struct sparingEntry 200 struct sparingEntry
201 mapEntry[0]; 201 mapEntry[0];
202} __attribute__ ((packed)); 202} __attribute__ ((packed));
203 203
204/* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */ 204/* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */
@@ -208,8 +208,8 @@ struct sparingTable {
208 208
209/* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */ 209/* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */
210struct allocDescImpUse { 210struct allocDescImpUse {
211 __le16 flags; 211 __le16 flags;
212 uint8_t impUse[4]; 212 uint8_t impUse[4];
213} __attribute__ ((packed)); 213} __attribute__ ((packed));
214 214
215#define AD_IU_EXT_ERASED 0x0001 215#define AD_IU_EXT_ERASED 0x0001
@@ -220,23 +220,23 @@ struct allocDescImpUse {
220/* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */ 220/* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */
221/* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */ 221/* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */
222struct freeEaSpace { 222struct freeEaSpace {
223 __le16 headerChecksum; 223 __le16 headerChecksum;
224 uint8_t freeEASpace[0]; 224 uint8_t freeEASpace[0];
225} __attribute__ ((packed)); 225} __attribute__ ((packed));
226 226
227/* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */ 227/* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */
228struct DVDCopyrightImpUse { 228struct DVDCopyrightImpUse {
229 __le16 headerChecksum; 229 __le16 headerChecksum;
230 uint8_t CGMSInfo; 230 uint8_t CGMSInfo;
231 uint8_t dataType; 231 uint8_t dataType;
232 uint8_t protectionSystemInfo[4]; 232 uint8_t protectionSystemInfo[4];
233} __attribute__ ((packed)); 233} __attribute__ ((packed));
234 234
235/* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */ 235/* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */
236/* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */ 236/* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */
237struct freeAppEASpace { 237struct freeAppEASpace {
238 __le16 headerChecksum; 238 __le16 headerChecksum;
239 uint8_t freeEASpace[0]; 239 uint8_t freeEASpace[0];
240} __attribute__ ((packed)); 240} __attribute__ ((packed));
241 241
242/* UDF Defined System Stream (UDF 2.50 3.3.7) */ 242/* UDF Defined System Stream (UDF 2.50 3.3.7) */
@@ -276,4 +276,4 @@ struct freeAppEASpace {
276#define UDF_OS_ID_BEOS 0x00U 276#define UDF_OS_ID_BEOS 0x00U
277#define UDF_OS_ID_WINCE 0x00U 277#define UDF_OS_ID_WINCE 0x00U
278 278
279#endif /* _OSTA_UDF_H */ 279#endif /* _OSTA_UDF_H */
diff --git a/fs/udf/partition.c b/fs/udf/partition.c
index a95d830a674d..aaab24c8c498 100644
--- a/fs/udf/partition.c
+++ b/fs/udf/partition.c
@@ -14,7 +14,7 @@
14 * 14 *
15 * HISTORY 15 * HISTORY
16 * 16 *
17 * 12/06/98 blf Created file. 17 * 12/06/98 blf Created file.
18 * 18 *
19 */ 19 */
20 20
@@ -32,19 +32,17 @@ inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
32 uint16_t partition, uint32_t offset) 32 uint16_t partition, uint32_t offset)
33{ 33{
34 if (partition >= UDF_SB_NUMPARTS(sb)) { 34 if (partition >= UDF_SB_NUMPARTS(sb)) {
35 udf_debug 35 udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n",
36 ("block=%d, partition=%d, offset=%d: invalid partition\n", 36 block, partition, offset);
37 block, partition, offset);
38 return 0xFFFFFFFF; 37 return 0xFFFFFFFF;
39 } 38 }
40 if (UDF_SB_PARTFUNC(sb, partition)) 39 if (UDF_SB_PARTFUNC(sb, partition))
41 return UDF_SB_PARTFUNC(sb, partition) (sb, block, partition, 40 return UDF_SB_PARTFUNC(sb, partition)(sb, block, partition, offset);
42 offset);
43 else 41 else
44 return UDF_SB_PARTROOT(sb, partition) + block + offset; 42 return UDF_SB_PARTROOT(sb, partition) + block + offset;
45} 43}
46 44
47uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, 45uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
48 uint16_t partition, uint32_t offset) 46 uint16_t partition, uint32_t offset)
49{ 47{
50 struct buffer_head *bh = NULL; 48 struct buffer_head *bh = NULL;
@@ -52,14 +50,11 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block,
52 uint32_t index; 50 uint32_t index;
53 uint32_t loc; 51 uint32_t loc;
54 52
55 index = 53 index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t);
56 (sb->s_blocksize -
57 UDF_SB_TYPEVIRT(sb, partition).s_start_offset) / sizeof(uint32_t);
58 54
59 if (block > UDF_SB_TYPEVIRT(sb, partition).s_num_entries) { 55 if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries) {
60 udf_debug 56 udf_debug("Trying to access block beyond end of VAT (%d max %d)\n",
61 ("Trying to access block beyond end of VAT (%d max %d)\n", 57 block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries);
62 block, UDF_SB_TYPEVIRT(sb, partition).s_num_entries);
63 return 0xFFFFFFFF; 58 return 0xFFFFFFFF;
64 } 59 }
65 60
@@ -69,10 +64,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block,
69 index = block % (sb->s_blocksize / sizeof(uint32_t)); 64 index = block % (sb->s_blocksize / sizeof(uint32_t));
70 } else { 65 } else {
71 newblock = 0; 66 newblock = 0;
72 index = 67 index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block;
73 UDF_SB_TYPEVIRT(sb,
74 partition).s_start_offset /
75 sizeof(uint32_t) + block;
76 } 68 }
77 69
78 loc = udf_block_map(UDF_SB_VAT(sb), newblock); 70 loc = udf_block_map(UDF_SB_VAT(sb), newblock);
@@ -83,7 +75,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block,
83 return 0xFFFFFFFF; 75 return 0xFFFFFFFF;
84 } 76 }
85 77
86 loc = le32_to_cpu(((__le32 *) bh->b_data)[index]); 78 loc = le32_to_cpu(((__le32 *)bh->b_data)[index]);
87 79
88 brelse(bh); 80 brelse(bh);
89 81
@@ -93,8 +85,8 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block,
93 } 85 }
94 86
95 return udf_get_pblock(sb, loc, 87 return udf_get_pblock(sb, loc,
96 UDF_I_LOCATION(UDF_SB_VAT(sb)). 88 UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum,
97 partitionReferenceNum, offset); 89 offset);
98} 90}
99 91
100inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block, 92inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block,
@@ -108,40 +100,29 @@ uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block,
108{ 100{
109 int i; 101 int i;
110 struct sparingTable *st = NULL; 102 struct sparingTable *st = NULL;
111 uint32_t packet = 103 uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1);
112 (block + offset) & ~(UDF_SB_TYPESPAR(sb, partition).s_packet_len -
113 1);
114 104
115 for (i = 0; i < 4; i++) { 105 for (i = 0; i < 4; i++) {
116 if (UDF_SB_TYPESPAR(sb, partition).s_spar_map[i] != NULL) { 106 if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL) {
117 st = (struct sparingTable *)UDF_SB_TYPESPAR(sb, 107 st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data;
118 partition).
119 s_spar_map[i]->b_data;
120 break; 108 break;
121 } 109 }
122 } 110 }
123 111
124 if (st) { 112 if (st) {
125 for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) { 113 for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {
126 if (le32_to_cpu(st->mapEntry[i].origLocation) >= 114 if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0) {
127 0xFFFFFFF0)
128 break; 115 break;
129 else if (le32_to_cpu(st->mapEntry[i].origLocation) == 116 } else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) {
130 packet) { 117 return le32_to_cpu(st->mapEntry[i].mappedLocation) +
131 return le32_to_cpu(st->mapEntry[i]. 118 ((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1));
132 mappedLocation) + ((block + 119 } else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) {
133 offset) &
134 (UDF_SB_TYPESPAR
135 (sb,
136 partition).
137 s_packet_len
138 - 1));
139 } else if (le32_to_cpu(st->mapEntry[i].origLocation) >
140 packet)
141 break; 120 break;
121 }
142 } 122 }
143 } 123 }
144 return UDF_SB_PARTROOT(sb, partition) + block + offset; 124
125 return UDF_SB_PARTROOT(sb,partition) + block + offset;
145} 126}
146 127
147int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) 128int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
@@ -153,20 +134,14 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
153 int i, j, k, l; 134 int i, j, k, l;
154 135
155 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { 136 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
156 if (old_block > UDF_SB_PARTROOT(sb, i) && 137 if (old_block > UDF_SB_PARTROOT(sb,i) &&
157 old_block < UDF_SB_PARTROOT(sb, i) + UDF_SB_PARTLEN(sb, i)) 138 old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i)) {
158 { 139 sdata = &UDF_SB_TYPESPAR(sb,i);
159 sdata = &UDF_SB_TYPESPAR(sb, i); 140 packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1);
160 packet =
161 (old_block -
162 UDF_SB_PARTROOT(sb,
163 i)) & ~(sdata->s_packet_len - 1);
164 141
165 for (j = 0; j < 4; j++) { 142 for (j = 0; j < 4; j++) {
166 if (UDF_SB_TYPESPAR(sb, i).s_spar_map[j] != 143 if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {
167 NULL) { 144 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
168 st = (struct sparingTable *)sdata->
169 s_spar_map[j]->b_data;
170 break; 145 break;
171 } 146 }
172 } 147 }
@@ -174,122 +149,51 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
174 if (!st) 149 if (!st)
175 return 1; 150 return 1;
176 151
177 for (k = 0; k < le16_to_cpu(st->reallocationTableLen); 152 for (k = 0; k < le16_to_cpu(st->reallocationTableLen); k++) {
178 k++) { 153 if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF) {
179 if (le32_to_cpu(st->mapEntry[k].origLocation) ==
180 0xFFFFFFFF) {
181 for (; j < 4; j++) { 154 for (; j < 4; j++) {
182 if (sdata->s_spar_map[j]) { 155 if (sdata->s_spar_map[j]) {
183 st = (struct 156 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
184 sparingTable *) 157 st->mapEntry[k].origLocation = cpu_to_le32(packet);
185 sdata-> 158 udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
186 s_spar_map[j]-> 159 mark_buffer_dirty(sdata->s_spar_map[j]);
187 b_data;
188 st->mapEntry[k].
189 origLocation =
190 cpu_to_le32(packet);
191 udf_update_tag((char *)
192 st,
193 sizeof
194 (struct
195 sparingTable)
196 +
197 le16_to_cpu
198 (st->
199 reallocationTableLen)
200 *
201 sizeof
202 (struct
203 sparingEntry));
204 mark_buffer_dirty
205 (sdata->
206 s_spar_map[j]);
207 } 160 }
208 } 161 }
209 *new_block = 162 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
210 le32_to_cpu(st->mapEntry[k]. 163 ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
211 mappedLocation) +
212 ((old_block -
213 UDF_SB_PARTROOT(sb,
214 i)) & (sdata->
215 s_packet_len
216 - 1));
217 return 0; 164 return 0;
218 } else 165 } else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet) {
219 if (le32_to_cpu 166 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
220 (st->mapEntry[k].origLocation) == 167 ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
221 packet) {
222 *new_block =
223 le32_to_cpu(st->mapEntry[k].
224 mappedLocation) +
225 ((old_block -
226 UDF_SB_PARTROOT(sb,
227 i)) & (sdata->
228 s_packet_len
229 - 1));
230 return 0; 168 return 0;
231 } else 169 } else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet) {
232 if (le32_to_cpu
233 (st->mapEntry[k].origLocation) > packet)
234 break; 170 break;
171 }
235 } 172 }
236 for (l = k; l < le16_to_cpu(st->reallocationTableLen); 173
237 l++) { 174 for (l = k; l < le16_to_cpu(st->reallocationTableLen); l++) {
238 if (le32_to_cpu(st->mapEntry[l].origLocation) == 175 if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF) {
239 0xFFFFFFFF) {
240 for (; j < 4; j++) { 176 for (; j < 4; j++) {
241 if (sdata->s_spar_map[j]) { 177 if (sdata->s_spar_map[j]) {
242 st = (struct 178 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
243 sparingTable *) 179 mapEntry = st->mapEntry[l];
244 sdata-> 180 mapEntry.origLocation = cpu_to_le32(packet);
245 s_spar_map[j]-> 181 memmove(&st->mapEntry[k + 1], &st->mapEntry[k], (l - k) * sizeof(struct sparingEntry));
246 b_data; 182 st->mapEntry[k] = mapEntry;
247 mapEntry = 183 udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
248 st->mapEntry[l]; 184 mark_buffer_dirty(sdata->s_spar_map[j]);
249 mapEntry.origLocation =
250 cpu_to_le32(packet);
251 memmove(&st->
252 mapEntry[k + 1],
253 &st->
254 mapEntry[k],
255 (l -
256 k) *
257 sizeof(struct
258 sparingEntry));
259 st->mapEntry[k] =
260 mapEntry;
261 udf_update_tag((char *)
262 st,
263 sizeof
264 (struct
265 sparingTable)
266 +
267 le16_to_cpu
268 (st->
269 reallocationTableLen)
270 *
271 sizeof
272 (struct
273 sparingEntry));
274 mark_buffer_dirty
275 (sdata->
276 s_spar_map[j]);
277 } 185 }
278 } 186 }
279 *new_block = 187 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
280 le32_to_cpu(st->mapEntry[k]. 188 ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
281 mappedLocation) +
282 ((old_block -
283 UDF_SB_PARTROOT(sb,
284 i)) & (sdata->
285 s_packet_len
286 - 1));
287 return 0; 189 return 0;
288 } 190 }
289 } 191 }
192
290 return 1; 193 return 1;
291 } 194 } /* if old_block */
292 } 195 }
196
293 if (i == UDF_SB_NUMPARTS(sb)) { 197 if (i == UDF_SB_NUMPARTS(sb)) {
294 /* outside of partitions */ 198 /* outside of partitions */
295 /* for now, fail =) */ 199 /* for now, fail =) */
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 72097ee6b752..7b30964665db 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -104,11 +104,11 @@ static int udf_get_sb(struct file_system_type *fs_type,
104} 104}
105 105
106static struct file_system_type udf_fstype = { 106static struct file_system_type udf_fstype = {
107 .owner = THIS_MODULE, 107 .owner = THIS_MODULE,
108 .name = "udf", 108 .name = "udf",
109 .get_sb = udf_get_sb, 109 .get_sb = udf_get_sb,
110 .kill_sb = kill_block_super, 110 .kill_sb = kill_block_super,
111 .fs_flags = FS_REQUIRES_DEV, 111 .fs_flags = FS_REQUIRES_DEV,
112}; 112};
113 113
114static struct kmem_cache *udf_inode_cachep; 114static struct kmem_cache *udf_inode_cachep;
@@ -116,8 +116,7 @@ static struct kmem_cache *udf_inode_cachep;
116static struct inode *udf_alloc_inode(struct super_block *sb) 116static struct inode *udf_alloc_inode(struct super_block *sb)
117{ 117{
118 struct udf_inode_info *ei; 118 struct udf_inode_info *ei;
119 ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, 119 ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL);
120 GFP_KERNEL);
121 if (!ei) 120 if (!ei)
122 return NULL; 121 return NULL;
123 122
@@ -150,7 +149,7 @@ static int init_inodecache(void)
150 0, (SLAB_RECLAIM_ACCOUNT | 149 0, (SLAB_RECLAIM_ACCOUNT |
151 SLAB_MEM_SPREAD), 150 SLAB_MEM_SPREAD),
152 init_once); 151 init_once);
153 if (udf_inode_cachep == NULL) 152 if (!udf_inode_cachep)
154 return -ENOMEM; 153 return -ENOMEM;
155 return 0; 154 return 0;
156} 155}
@@ -162,15 +161,15 @@ static void destroy_inodecache(void)
162 161
163/* Superblock operations */ 162/* Superblock operations */
164static const struct super_operations udf_sb_ops = { 163static const struct super_operations udf_sb_ops = {
165 .alloc_inode = udf_alloc_inode, 164 .alloc_inode = udf_alloc_inode,
166 .destroy_inode = udf_destroy_inode, 165 .destroy_inode = udf_destroy_inode,
167 .write_inode = udf_write_inode, 166 .write_inode = udf_write_inode,
168 .delete_inode = udf_delete_inode, 167 .delete_inode = udf_delete_inode,
169 .clear_inode = udf_clear_inode, 168 .clear_inode = udf_clear_inode,
170 .put_super = udf_put_super, 169 .put_super = udf_put_super,
171 .write_super = udf_write_super, 170 .write_super = udf_write_super,
172 .statfs = udf_statfs, 171 .statfs = udf_statfs,
173 .remount_fs = udf_remount_fs, 172 .remount_fs = udf_remount_fs,
174}; 173};
175 174
176struct udf_options { 175struct udf_options {
@@ -193,16 +192,20 @@ struct udf_options {
193static int __init init_udf_fs(void) 192static int __init init_udf_fs(void)
194{ 193{
195 int err; 194 int err;
195
196 err = init_inodecache(); 196 err = init_inodecache();
197 if (err) 197 if (err)
198 goto out1; 198 goto out1;
199 err = register_filesystem(&udf_fstype); 199 err = register_filesystem(&udf_fstype);
200 if (err) 200 if (err)
201 goto out; 201 goto out;
202
202 return 0; 203 return 0;
203 out: 204
205out:
204 destroy_inodecache(); 206 destroy_inodecache();
205 out1: 207
208out1:
206 return err; 209 return err;
207} 210}
208 211
@@ -213,7 +216,7 @@ static void __exit exit_udf_fs(void)
213} 216}
214 217
215module_init(init_udf_fs) 218module_init(init_udf_fs)
216 module_exit(exit_udf_fs) 219module_exit(exit_udf_fs)
217 220
218/* 221/*
219 * udf_parse_options 222 * udf_parse_options
@@ -239,7 +242,7 @@ module_init(init_udf_fs)
239 * 242 *
240 * The remaining are for debugging and disaster recovery: 243 * The remaining are for debugging and disaster recovery:
241 * 244 *
242 * novrs Skip volume sequence recognition 245 * novrs Skip volume sequence recognition
243 * 246 *
244 * The following expect a offset from 0. 247 * The following expect a offset from 0.
245 * 248 *
@@ -268,6 +271,7 @@ module_init(init_udf_fs)
268 * July 1, 1997 - Andrew E. Mileski 271 * July 1, 1997 - Andrew E. Mileski
269 * Written, tested, and released. 272 * Written, tested, and released.
270 */ 273 */
274
271enum { 275enum {
272 Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete, 276 Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete,
273 Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad, 277 Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad,
@@ -278,32 +282,32 @@ enum {
278}; 282};
279 283
280static match_table_t tokens = { 284static match_table_t tokens = {
281 {Opt_novrs, "novrs"}, 285 {Opt_novrs, "novrs"},
282 {Opt_nostrict, "nostrict"}, 286 {Opt_nostrict, "nostrict"},
283 {Opt_bs, "bs=%u"}, 287 {Opt_bs, "bs=%u"},
284 {Opt_unhide, "unhide"}, 288 {Opt_unhide, "unhide"},
285 {Opt_undelete, "undelete"}, 289 {Opt_undelete, "undelete"},
286 {Opt_noadinicb, "noadinicb"}, 290 {Opt_noadinicb, "noadinicb"},
287 {Opt_adinicb, "adinicb"}, 291 {Opt_adinicb, "adinicb"},
288 {Opt_shortad, "shortad"}, 292 {Opt_shortad, "shortad"},
289 {Opt_longad, "longad"}, 293 {Opt_longad, "longad"},
290 {Opt_uforget, "uid=forget"}, 294 {Opt_uforget, "uid=forget"},
291 {Opt_uignore, "uid=ignore"}, 295 {Opt_uignore, "uid=ignore"},
292 {Opt_gforget, "gid=forget"}, 296 {Opt_gforget, "gid=forget"},
293 {Opt_gignore, "gid=ignore"}, 297 {Opt_gignore, "gid=ignore"},
294 {Opt_gid, "gid=%u"}, 298 {Opt_gid, "gid=%u"},
295 {Opt_uid, "uid=%u"}, 299 {Opt_uid, "uid=%u"},
296 {Opt_umask, "umask=%o"}, 300 {Opt_umask, "umask=%o"},
297 {Opt_session, "session=%u"}, 301 {Opt_session, "session=%u"},
298 {Opt_lastblock, "lastblock=%u"}, 302 {Opt_lastblock, "lastblock=%u"},
299 {Opt_anchor, "anchor=%u"}, 303 {Opt_anchor, "anchor=%u"},
300 {Opt_volume, "volume=%u"}, 304 {Opt_volume, "volume=%u"},
301 {Opt_partition, "partition=%u"}, 305 {Opt_partition, "partition=%u"},
302 {Opt_fileset, "fileset=%u"}, 306 {Opt_fileset, "fileset=%u"},
303 {Opt_rootdir, "rootdir=%u"}, 307 {Opt_rootdir, "rootdir=%u"},
304 {Opt_utf8, "utf8"}, 308 {Opt_utf8, "utf8"},
305 {Opt_iocharset, "iocharset=%s"}, 309 {Opt_iocharset, "iocharset=%s"},
306 {Opt_err, NULL} 310 {Opt_err, NULL}
307}; 311};
308 312
309static int udf_parse_options(char *options, struct udf_options *uopt) 313static int udf_parse_options(char *options, struct udf_options *uopt)
@@ -444,9 +448,11 @@ static int udf_parse_options(char *options, struct udf_options *uopt)
444void udf_write_super(struct super_block *sb) 448void udf_write_super(struct super_block *sb)
445{ 449{
446 lock_kernel(); 450 lock_kernel();
451
447 if (!(sb->s_flags & MS_RDONLY)) 452 if (!(sb->s_flags & MS_RDONLY))
448 udf_open_lvid(sb); 453 udf_open_lvid(sb);
449 sb->s_dirt = 0; 454 sb->s_dirt = 0;
455
450 unlock_kernel(); 456 unlock_kernel();
451} 457}
452 458
@@ -455,16 +461,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
455 struct udf_options uopt; 461 struct udf_options uopt;
456 462
457 uopt.flags = UDF_SB(sb)->s_flags; 463 uopt.flags = UDF_SB(sb)->s_flags;
458 uopt.uid = UDF_SB(sb)->s_uid; 464 uopt.uid = UDF_SB(sb)->s_uid;
459 uopt.gid = UDF_SB(sb)->s_gid; 465 uopt.gid = UDF_SB(sb)->s_gid;
460 uopt.umask = UDF_SB(sb)->s_umask; 466 uopt.umask = UDF_SB(sb)->s_umask;
461 467
462 if (!udf_parse_options(options, &uopt)) 468 if (!udf_parse_options(options, &uopt))
463 return -EINVAL; 469 return -EINVAL;
464 470
465 UDF_SB(sb)->s_flags = uopt.flags; 471 UDF_SB(sb)->s_flags = uopt.flags;
466 UDF_SB(sb)->s_uid = uopt.uid; 472 UDF_SB(sb)->s_uid = uopt.uid;
467 UDF_SB(sb)->s_gid = uopt.gid; 473 UDF_SB(sb)->s_gid = uopt.gid;
468 UDF_SB(sb)->s_umask = uopt.umask; 474 UDF_SB(sb)->s_umask = uopt.umask;
469 475
470 if (UDF_SB_LVIDBH(sb)) { 476 if (UDF_SB_LVIDBH(sb)) {
@@ -517,6 +523,7 @@ static int udf_set_blocksize(struct super_block *sb, int bsize)
517 printk(KERN_ERR "udf: bad block size (%d)\n", bsize); 523 printk(KERN_ERR "udf: bad block size (%d)\n", bsize);
518 return 0; 524 return 0;
519 } 525 }
526
520 return sb->s_blocksize; 527 return sb->s_blocksize;
521} 528}
522 529
@@ -552,15 +559,12 @@ static int udf_vrs(struct super_block *sb, int silent)
552 559
553 /* Look for ISO descriptors */ 560 /* Look for ISO descriptors */
554 vsd = (struct volStructDesc *)(bh->b_data + 561 vsd = (struct volStructDesc *)(bh->b_data +
555 (sector & 562 (sector & (sb->s_blocksize - 1)));
556 (sb->s_blocksize - 1)));
557 563
558 if (vsd->stdIdent[0] == 0) { 564 if (vsd->stdIdent[0] == 0) {
559 brelse(bh); 565 brelse(bh);
560 break; 566 break;
561 } else 567 } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) {
562 if (!strncmp
563 (vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) {
564 iso9660 = sector; 568 iso9660 = sector;
565 switch (vsd->structType) { 569 switch (vsd->structType) {
566 case 0: 570 case 0:
@@ -587,21 +591,13 @@ static int udf_vrs(struct super_block *sb, int silent)
587 vsd->structType); 591 vsd->structType);
588 break; 592 break;
589 } 593 }
590 } else 594 } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) {
591 if (!strncmp 595 } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) {
592 (vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) {
593 } else
594 if (!strncmp
595 (vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) {
596 brelse(bh); 596 brelse(bh);
597 break; 597 break;
598 } else 598 } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) {
599 if (!strncmp
600 (vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) {
601 nsr02 = sector; 599 nsr02 = sector;
602 } else 600 } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) {
603 if (!strncmp
604 (vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) {
605 nsr03 = sector; 601 nsr03 = sector;
606 } 602 }
607 brelse(bh); 603 brelse(bh);
@@ -644,11 +640,10 @@ static void udf_find_anchor(struct super_block *sb)
644 640
645 if (lastblock) { 641 if (lastblock) {
646 int varlastblock = udf_variable_to_fixed(lastblock); 642 int varlastblock = udf_variable_to_fixed(lastblock);
647 int last[] = { lastblock, lastblock - 2, 643 int last[] = { lastblock, lastblock - 2,
648 lastblock - 150, lastblock - 152, 644 lastblock - 150, lastblock - 152,
649 varlastblock, varlastblock - 2, 645 varlastblock, varlastblock - 2,
650 varlastblock - 150, varlastblock - 152 646 varlastblock - 150, varlastblock - 152 };
651 };
652 647
653 lastblock = 0; 648 lastblock = 0;
654 649
@@ -664,88 +659,54 @@ static void udf_find_anchor(struct super_block *sb)
664 if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) { 659 if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) {
665 ident = location = 0; 660 ident = location = 0;
666 } else { 661 } else {
667 ident = 662 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
668 le16_to_cpu(((tag *) bh->b_data)->tagIdent); 663 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
669 location =
670 le32_to_cpu(((tag *) bh->b_data)->
671 tagLocation);
672 brelse(bh); 664 brelse(bh);
673 } 665 }
674 666
675 if (ident == TAG_IDENT_AVDP) { 667 if (ident == TAG_IDENT_AVDP) {
676 if (location == last[i] - UDF_SB_SESSION(sb)) { 668 if (location == last[i] - UDF_SB_SESSION(sb)) {
677 lastblock = UDF_SB_ANCHOR(sb)[0] = 669 lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb);
678 last[i] - UDF_SB_SESSION(sb); 670 UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb);
679 UDF_SB_ANCHOR(sb)[1] = 671 } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) {
680 last[i] - 256 - UDF_SB_SESSION(sb);
681 } else if (location ==
682 udf_variable_to_fixed(last[i]) -
683 UDF_SB_SESSION(sb)) {
684 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); 672 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
685 lastblock = UDF_SB_ANCHOR(sb)[0] = 673 lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb);
686 udf_variable_to_fixed(last[i]) - 674 UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb);
687 UDF_SB_SESSION(sb); 675 } else {
688 UDF_SB_ANCHOR(sb)[1] = 676 udf_debug("Anchor found at block %d, location mismatch %d.\n",
689 lastblock - 256 - 677 last[i], location);
690 UDF_SB_SESSION(sb); 678 }
691 } else 679 } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) {
692 udf_debug
693 ("Anchor found at block %d, location mismatch %d.\n",
694 last[i], location);
695 } else if (ident == TAG_IDENT_FE
696 || ident == TAG_IDENT_EFE) {
697 lastblock = last[i]; 680 lastblock = last[i];
698 UDF_SB_ANCHOR(sb)[3] = 512; 681 UDF_SB_ANCHOR(sb)[3] = 512;
699 } else { 682 } else {
700 if (last[i] < 256 683 if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256))) {
701 || !(bh = sb_bread(sb, last[i] - 256))) {
702 ident = location = 0; 684 ident = location = 0;
703 } else { 685 } else {
704 ident = 686 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
705 le16_to_cpu(((tag *) bh->b_data)-> 687 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
706 tagIdent);
707 location =
708 le32_to_cpu(((tag *) bh->b_data)->
709 tagLocation);
710 brelse(bh); 688 brelse(bh);
711 } 689 }
712 690
713 if (ident == TAG_IDENT_AVDP && 691 if (ident == TAG_IDENT_AVDP &&
714 location == 692 location == last[i] - 256 - UDF_SB_SESSION(sb)) {
715 last[i] - 256 - UDF_SB_SESSION(sb)) {
716 lastblock = last[i]; 693 lastblock = last[i];
717 UDF_SB_ANCHOR(sb)[1] = last[i] - 256; 694 UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
718 } else { 695 } else {
719 if (last[i] < 312 + UDF_SB_SESSION(sb) 696 if (last[i] < 312 + UDF_SB_SESSION(sb) ||
720 || !(bh = 697 !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) {
721 sb_bread(sb,
722 last[i] - 312 -
723 UDF_SB_SESSION(sb))))
724 {
725 ident = location = 0; 698 ident = location = 0;
726 } else { 699 } else {
727 ident = 700 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
728 le16_to_cpu(((tag *) bh-> 701 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
729 b_data)->
730 tagIdent);
731 location =
732 le32_to_cpu(((tag *) bh->
733 b_data)->
734 tagLocation);
735 brelse(bh); 702 brelse(bh);
736 } 703 }
737 704
738 if (ident == TAG_IDENT_AVDP && 705 if (ident == TAG_IDENT_AVDP &&
739 location == 706 location == udf_variable_to_fixed(last[i]) - 256) {
740 udf_variable_to_fixed(last[i]) - 707 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
741 256) { 708 lastblock = udf_variable_to_fixed(last[i]);
742 UDF_SET_FLAG(sb, 709 UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
743 UDF_FLAG_VARCONV);
744 lastblock =
745 udf_variable_to_fixed(last
746 [i]);
747 UDF_SB_ANCHOR(sb)[1] =
748 lastblock - 256;
749 } 710 }
750 } 711 }
751 } 712 }
@@ -755,9 +716,8 @@ static void udf_find_anchor(struct super_block *sb)
755 if (!lastblock) { 716 if (!lastblock) {
756 /* We havn't found the lastblock. check 312 */ 717 /* We havn't found the lastblock. check 312 */
757 if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) { 718 if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) {
758 ident = le16_to_cpu(((tag *) bh->b_data)->tagIdent); 719 ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
759 location = 720 location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
760 le32_to_cpu(((tag *) bh->b_data)->tagLocation);
761 brelse(bh); 721 brelse(bh);
762 722
763 if (ident == TAG_IDENT_AVDP && location == 256) 723 if (ident == TAG_IDENT_AVDP && location == 256)
@@ -767,19 +727,13 @@ static void udf_find_anchor(struct super_block *sb)
767 727
768 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { 728 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
769 if (UDF_SB_ANCHOR(sb)[i]) { 729 if (UDF_SB_ANCHOR(sb)[i]) {
770 if (!(bh = udf_read_tagged(sb, 730 if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
771 UDF_SB_ANCHOR(sb)[i], 731 UDF_SB_ANCHOR(sb)[i], &ident))) {
772 UDF_SB_ANCHOR(sb)[i],
773 &ident))) {
774 UDF_SB_ANCHOR(sb)[i] = 0; 732 UDF_SB_ANCHOR(sb)[i] = 0;
775 } else { 733 } else {
776 brelse(bh); 734 brelse(bh);
777 if ((ident != TAG_IDENT_AVDP) && (i || 735 if ((ident != TAG_IDENT_AVDP) &&
778 (ident != 736 (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) {
779 TAG_IDENT_FE
780 && ident !=
781 TAG_IDENT_EFE)))
782 {
783 UDF_SB_ANCHOR(sb)[i] = 0; 737 UDF_SB_ANCHOR(sb)[i] = 0;
784 } 738 }
785 } 739 }
@@ -789,9 +743,7 @@ static void udf_find_anchor(struct super_block *sb)
789 UDF_SB_LASTBLOCK(sb) = lastblock; 743 UDF_SB_LASTBLOCK(sb) = lastblock;
790} 744}
791 745
792static int 746static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root)
793udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
794 kernel_lb_addr * root)
795{ 747{
796 struct buffer_head *bh = NULL; 748 struct buffer_head *bh = NULL;
797 long lastblock; 749 long lastblock;
@@ -801,18 +753,19 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
801 fileset->partitionReferenceNum != 0xFFFF) { 753 fileset->partitionReferenceNum != 0xFFFF) {
802 bh = udf_read_ptagged(sb, *fileset, 0, &ident); 754 bh = udf_read_ptagged(sb, *fileset, 0, &ident);
803 755
804 if (!bh) 756 if (!bh) {
805 return 1; 757 return 1;
806 else if (ident != TAG_IDENT_FSD) { 758 } else if (ident != TAG_IDENT_FSD) {
807 brelse(bh); 759 brelse(bh);
808 return 1; 760 return 1;
809 } 761 }
810 762
811 } 763 }
812 764
813 if (!bh) { /* Search backwards through the partitions */ 765 if (!bh) { /* Search backwards through the partitions */
814 kernel_lb_addr newfileset; 766 kernel_lb_addr newfileset;
815 767
768/* --> cvg: FIXME - is it reasonable? */
816 return 1; 769 return 1;
817 770
818 for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1; 771 for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1;
@@ -820,14 +773,11 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
820 fileset->logicalBlockNum == 0xFFFFFFFF && 773 fileset->logicalBlockNum == 0xFFFFFFFF &&
821 fileset->partitionReferenceNum == 0xFFFF); 774 fileset->partitionReferenceNum == 0xFFFF);
822 newfileset.partitionReferenceNum--) { 775 newfileset.partitionReferenceNum--) {
823 lastblock = 776 lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum);
824 UDF_SB_PARTLEN(sb,
825 newfileset.partitionReferenceNum);
826 newfileset.logicalBlockNum = 0; 777 newfileset.logicalBlockNum = 0;
827 778
828 do { 779 do {
829 bh = udf_read_ptagged(sb, newfileset, 0, 780 bh = udf_read_ptagged(sb, newfileset, 0, &ident);
830 &ident);
831 if (!bh) { 781 if (!bh) {
832 newfileset.logicalBlockNum++; 782 newfileset.logicalBlockNum++;
833 continue; 783 continue;
@@ -835,38 +785,28 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset,
835 785
836 switch (ident) { 786 switch (ident) {
837 case TAG_IDENT_SBD: 787 case TAG_IDENT_SBD:
838 { 788 {
839 struct spaceBitmapDesc *sp; 789 struct spaceBitmapDesc *sp;
840 sp = (struct spaceBitmapDesc *) 790 sp = (struct spaceBitmapDesc *)bh->b_data;
841 bh->b_data; 791 newfileset.logicalBlockNum += 1 +
842 newfileset.logicalBlockNum += 792 ((le32_to_cpu(sp->numOfBytes) +
843 1 + 793 sizeof(struct spaceBitmapDesc) - 1)
844 ((le32_to_cpu 794 >> sb->s_blocksize_bits);
845 (sp->numOfBytes) + 795 brelse(bh);
846 sizeof(struct 796 break;
847 spaceBitmapDesc) - 797 }
848 1)
849 >> sb->s_blocksize_bits);
850 brelse(bh);
851 break;
852 }
853 case TAG_IDENT_FSD: 798 case TAG_IDENT_FSD:
854 { 799 *fileset = newfileset;
855 *fileset = newfileset; 800 break;
856 break;
857 }
858 default: 801 default:
859 { 802 newfileset.logicalBlockNum++;
860 newfileset.logicalBlockNum++; 803 brelse(bh);
861 brelse(bh); 804 bh = NULL;
862 bh = NULL; 805 break;
863 break;
864 }
865 } 806 }
866 } 807 } while (newfileset.logicalBlockNum < lastblock &&
867 while (newfileset.logicalBlockNum < lastblock && 808 fileset->logicalBlockNum == 0xFFFFFFFF &&
868 fileset->logicalBlockNum == 0xFFFFFFFF && 809 fileset->partitionReferenceNum == 0xFFFF);
869 fileset->partitionReferenceNum == 0xFFFF);
870 } 810 }
871 } 811 }
872 812
@@ -898,10 +838,10 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
898 lets_to_cpu(pvoldesc->recordingDateAndTime))) { 838 lets_to_cpu(pvoldesc->recordingDateAndTime))) {
899 kernel_timestamp ts; 839 kernel_timestamp ts;
900 ts = lets_to_cpu(pvoldesc->recordingDateAndTime); 840 ts = lets_to_cpu(pvoldesc->recordingDateAndTime);
901 udf_debug 841 udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n",
902 ("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", 842 recording, recording_usec,
903 recording, recording_usec, ts.year, ts.month, ts.day, 843 ts.year, ts.month, ts.day, ts.hour,
904 ts.hour, ts.minute, ts.typeAndTimezone); 844 ts.minute, ts.typeAndTimezone);
905 UDF_SB_RECORDTIME(sb).tv_sec = recording; 845 UDF_SB_RECORDTIME(sb).tv_sec = recording;
906 UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000; 846 UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000;
907 } 847 }
@@ -920,9 +860,8 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
920 } 860 }
921} 861}
922 862
923static void 863static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
924udf_load_fileset(struct super_block *sb, struct buffer_head *bh, 864 kernel_lb_addr *root)
925 kernel_lb_addr * root)
926{ 865{
927 struct fileSetDesc *fset; 866 struct fileSetDesc *fset;
928 867
@@ -945,121 +884,72 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
945 884
946 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { 885 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
947 udf_debug("Searching map: (%d == %d)\n", 886 udf_debug("Searching map: (%d == %d)\n",
948 UDF_SB_PARTMAPS(sb)[i].s_partition_num, 887 UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber));
949 le16_to_cpu(p->partitionNumber)); 888 if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) {
950 if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == 889 UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */
951 le16_to_cpu(p->partitionNumber)) { 890 UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation);
952 UDF_SB_PARTLEN(sb, i) = le32_to_cpu(p->partitionLength); /* blocks */ 891 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY)
953 UDF_SB_PARTROOT(sb, i) = 892 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_READ_ONLY;
954 le32_to_cpu(p->partitionStartingLocation); 893 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE)
955 if (le32_to_cpu(p->accessType) == 894 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_WRITE_ONCE;
956 PD_ACCESS_TYPE_READ_ONLY) 895 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE)
957 UDF_SB_PARTFLAGS(sb, i) |= 896 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_REWRITABLE;
958 UDF_PART_FLAG_READ_ONLY; 897 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE)
959 if (le32_to_cpu(p->accessType) == 898 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE;
960 PD_ACCESS_TYPE_WRITE_ONCE) 899
961 UDF_SB_PARTFLAGS(sb, i) |= 900 if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) ||
962 UDF_PART_FLAG_WRITE_ONCE; 901 !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) {
963 if (le32_to_cpu(p->accessType) ==
964 PD_ACCESS_TYPE_REWRITABLE)
965 UDF_SB_PARTFLAGS(sb, i) |=
966 UDF_PART_FLAG_REWRITABLE;
967 if (le32_to_cpu(p->accessType) ==
968 PD_ACCESS_TYPE_OVERWRITABLE)
969 UDF_SB_PARTFLAGS(sb, i) |=
970 UDF_PART_FLAG_OVERWRITABLE;
971
972 if (!strcmp
973 (p->partitionContents.ident,
974 PD_PARTITION_CONTENTS_NSR02)
975 || !strcmp(p->partitionContents.ident,
976 PD_PARTITION_CONTENTS_NSR03)) {
977 struct partitionHeaderDesc *phd; 902 struct partitionHeaderDesc *phd;
978 903
979 phd = 904 phd = (struct partitionHeaderDesc *)(p->partitionContentsUse);
980 (struct partitionHeaderDesc *)(p->
981 partitionContentsUse);
982 if (phd->unallocSpaceTable.extLength) { 905 if (phd->unallocSpaceTable.extLength) {
983 kernel_lb_addr loc = 906 kernel_lb_addr loc = {
984 { le32_to_cpu(phd-> 907 .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition),
985 unallocSpaceTable. 908 .partitionReferenceNum = i,
986 extPosition), i }; 909 };
987 910
988 UDF_SB_PARTMAPS(sb)[i].s_uspace. 911 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table =
989 s_table = udf_iget(sb, loc); 912 udf_iget(sb, loc);
990 UDF_SB_PARTFLAGS(sb, i) |= 913 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE;
991 UDF_PART_FLAG_UNALLOC_TABLE; 914 udf_debug("unallocSpaceTable (part %d) @ %ld\n",
992 udf_debug 915 i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino);
993 ("unallocSpaceTable (part %d) @ %ld\n",
994 i,
995 UDF_SB_PARTMAPS(sb)[i].s_uspace.
996 s_table->i_ino);
997 } 916 }
998 if (phd->unallocSpaceBitmap.extLength) { 917 if (phd->unallocSpaceBitmap.extLength) {
999 UDF_SB_ALLOC_BITMAP(sb, i, s_uspace); 918 UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
1000 if (UDF_SB_PARTMAPS(sb)[i].s_uspace. 919 if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) {
1001 s_bitmap != NULL) { 920 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength =
1002 UDF_SB_PARTMAPS(sb)[i].s_uspace. 921 le32_to_cpu(phd->unallocSpaceBitmap.extLength);
1003 s_bitmap->s_extLength = 922 UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition =
1004 le32_to_cpu(phd-> 923 le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
1005 unallocSpaceBitmap. 924 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP;
1006 extLength); 925 udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
1007 UDF_SB_PARTMAPS(sb)[i].s_uspace. 926 i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
1008 s_bitmap->s_extPosition =
1009 le32_to_cpu(phd->
1010 unallocSpaceBitmap.
1011 extPosition);
1012 UDF_SB_PARTFLAGS(sb, i) |=
1013 UDF_PART_FLAG_UNALLOC_BITMAP;
1014 udf_debug
1015 ("unallocSpaceBitmap (part %d) @ %d\n",
1016 i,
1017 UDF_SB_PARTMAPS(sb)[i].
1018 s_uspace.s_bitmap->
1019 s_extPosition);
1020 } 927 }
1021 } 928 }
1022 if (phd->partitionIntegrityTable.extLength) 929 if (phd->partitionIntegrityTable.extLength)
1023 udf_debug 930 udf_debug("partitionIntegrityTable (part %d)\n", i);
1024 ("partitionIntegrityTable (part %d)\n",
1025 i);
1026 if (phd->freedSpaceTable.extLength) { 931 if (phd->freedSpaceTable.extLength) {
1027 kernel_lb_addr loc = 932 kernel_lb_addr loc = {
1028 { le32_to_cpu(phd->freedSpaceTable. 933 .logicalBlockNum = le32_to_cpu(phd->freedSpaceTable.extPosition),
1029 extPosition), i }; 934 .partitionReferenceNum = i,
1030 935 };
1031 UDF_SB_PARTMAPS(sb)[i].s_fspace. 936
1032 s_table = udf_iget(sb, loc); 937 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table =
1033 UDF_SB_PARTFLAGS(sb, i) |= 938 udf_iget(sb, loc);
1034 UDF_PART_FLAG_FREED_TABLE; 939 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE;
1035 udf_debug 940 udf_debug("freedSpaceTable (part %d) @ %ld\n",
1036 ("freedSpaceTable (part %d) @ %ld\n", 941 i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino);
1037 i,
1038 UDF_SB_PARTMAPS(sb)[i].s_fspace.
1039 s_table->i_ino);
1040 } 942 }
1041 if (phd->freedSpaceBitmap.extLength) { 943 if (phd->freedSpaceBitmap.extLength) {
1042 UDF_SB_ALLOC_BITMAP(sb, i, s_fspace); 944 UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
1043 if (UDF_SB_PARTMAPS(sb)[i].s_fspace. 945 if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) {
1044 s_bitmap != NULL) { 946 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength =
1045 UDF_SB_PARTMAPS(sb)[i].s_fspace. 947 le32_to_cpu(phd->freedSpaceBitmap.extLength);
1046 s_bitmap->s_extLength = 948 UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition =
1047 le32_to_cpu(phd-> 949 le32_to_cpu(phd->freedSpaceBitmap.extPosition);
1048 freedSpaceBitmap. 950 UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP;
1049 extLength); 951 udf_debug("freedSpaceBitmap (part %d) @ %d\n",
1050 UDF_SB_PARTMAPS(sb)[i].s_fspace. 952 i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
1051 s_bitmap->s_extPosition =
1052 le32_to_cpu(phd->
1053 freedSpaceBitmap.
1054 extPosition);
1055 UDF_SB_PARTFLAGS(sb, i) |=
1056 UDF_PART_FLAG_FREED_BITMAP;
1057 udf_debug
1058 ("freedSpaceBitmap (part %d) @ %d\n",
1059 i,
1060 UDF_SB_PARTMAPS(sb)[i].
1061 s_fspace.s_bitmap->
1062 s_extPosition);
1063 } 953 }
1064 } 954 }
1065 } 955 }
@@ -1070,16 +960,14 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
1070 udf_debug("Partition (%d) not found in partition map\n", 960 udf_debug("Partition (%d) not found in partition map\n",
1071 le16_to_cpu(p->partitionNumber)); 961 le16_to_cpu(p->partitionNumber));
1072 } else { 962 } else {
1073 udf_debug 963 udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n",
1074 ("Partition (%d:%d type %x) starts at physical %d, block length %d\n", 964 le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i),
1075 le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb, i), 965 UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i));
1076 UDF_SB_PARTROOT(sb, i), UDF_SB_PARTLEN(sb, i));
1077 } 966 }
1078} 967}
1079 968
1080static int 969static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
1081udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, 970 kernel_lb_addr *fileset)
1082 kernel_lb_addr * fileset)
1083{ 971{
1084 struct logicalVolDesc *lvd; 972 struct logicalVolDesc *lvd;
1085 int i, j, offset; 973 int i, j, offset;
@@ -1090,116 +978,69 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
1090 UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps)); 978 UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
1091 979
1092 for (i = 0, offset = 0; 980 for (i = 0, offset = 0;
1093 i < UDF_SB_NUMPARTS(sb) 981 i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength);
1094 && offset < le32_to_cpu(lvd->mapTableLength); 982 i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) {
1095 i++, offset += 983 type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType;
1096 ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->
1097 partitionMapLength) {
1098 type =
1099 ((struct genericPartitionMap *)
1100 &(lvd->partitionMaps[offset]))->partitionMapType;
1101 if (type == 1) { 984 if (type == 1) {
1102 struct genericPartitionMap1 *gpm1 = 985 struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]);
1103 (struct genericPartitionMap1 *)&(lvd-> 986 UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15;
1104 partitionMaps 987 UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum);
1105 [offset]); 988 UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum);
1106 UDF_SB_PARTTYPE(sb, i) = UDF_TYPE1_MAP15; 989 UDF_SB_PARTFUNC(sb,i) = NULL;
1107 UDF_SB_PARTVSN(sb, i) = le16_to_cpu(gpm1->volSeqNum);
1108 UDF_SB_PARTNUM(sb, i) = le16_to_cpu(gpm1->partitionNum);
1109 UDF_SB_PARTFUNC(sb, i) = NULL;
1110 } else if (type == 2) { 990 } else if (type == 2) {
1111 struct udfPartitionMap2 *upm2 = 991 struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]);
1112 (struct udfPartitionMap2 *)&(lvd-> 992 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) {
1113 partitionMaps[offset]); 993 if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) {
1114 if (!strncmp 994 UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15;
1115 (upm2->partIdent.ident, UDF_ID_VIRTUAL, 995 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15;
1116 strlen(UDF_ID_VIRTUAL))) { 996 } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) {
1117 if (le16_to_cpu 997 UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20;
1118 (((__le16 *) upm2->partIdent. 998 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20;
1119 identSuffix)[0]) == 0x0150) {
1120 UDF_SB_PARTTYPE(sb, i) =
1121 UDF_VIRTUAL_MAP15;
1122 UDF_SB_PARTFUNC(sb, i) =
1123 udf_get_pblock_virt15;
1124 } else
1125 if (le16_to_cpu
1126 (((__le16 *) upm2->partIdent.
1127 identSuffix)[0]) == 0x0200) {
1128 UDF_SB_PARTTYPE(sb, i) =
1129 UDF_VIRTUAL_MAP20;
1130 UDF_SB_PARTFUNC(sb, i) =
1131 udf_get_pblock_virt20;
1132 } 999 }
1133 } else 1000 } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) {
1134 if (!strncmp
1135 (upm2->partIdent.ident, UDF_ID_SPARABLE,
1136 strlen(UDF_ID_SPARABLE))) {
1137 uint32_t loc; 1001 uint32_t loc;
1138 uint16_t ident; 1002 uint16_t ident;
1139 struct sparingTable *st; 1003 struct sparingTable *st;
1140 struct sparablePartitionMap *spm = 1004 struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]);
1141 (struct sparablePartitionMap *)&(lvd-> 1005
1142 partitionMaps 1006 UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15;
1143 [offset]); 1007 UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength);
1144
1145 UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15;
1146 UDF_SB_TYPESPAR(sb, i).s_packet_len =
1147 le16_to_cpu(spm->packetLength);
1148 for (j = 0; j < spm->numSparingTables; j++) { 1008 for (j = 0; j < spm->numSparingTables; j++) {
1149 loc = 1009 loc = le32_to_cpu(spm->locSparingTable[j]);
1150 le32_to_cpu(spm-> 1010 UDF_SB_TYPESPAR(sb,i).s_spar_map[j] =
1151 locSparingTable[j]); 1011 udf_read_tagged(sb, loc, loc, &ident);
1152 UDF_SB_TYPESPAR(sb, i).s_spar_map[j] = 1012 if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {
1153 udf_read_tagged(sb, loc, loc, 1013 st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data;
1154 &ident); 1014 if (ident != 0 ||
1155 if (UDF_SB_TYPESPAR(sb, i). 1015 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) {
1156 s_spar_map[j] != NULL) { 1016 brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]);
1157 st = (struct sparingTable *) 1017 UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL;
1158 UDF_SB_TYPESPAR(sb,
1159 i).
1160 s_spar_map[j]->b_data;
1161 if (ident != 0
1162 || strncmp(st->sparingIdent.
1163 ident,
1164 UDF_ID_SPARING,
1165 strlen
1166 (UDF_ID_SPARING)))
1167 {
1168 brelse(UDF_SB_TYPESPAR
1169 (sb,
1170 i).
1171 s_spar_map[j]);
1172 UDF_SB_TYPESPAR(sb,
1173 i).
1174 s_spar_map[j] =
1175 NULL;
1176 } 1018 }
1177 } 1019 }
1178 } 1020 }
1179 UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15; 1021 UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15;
1180 } else { 1022 } else {
1181 udf_debug("Unknown ident: %s\n", 1023 udf_debug("Unknown ident: %s\n", upm2->partIdent.ident);
1182 upm2->partIdent.ident);
1183 continue; 1024 continue;
1184 } 1025 }
1185 UDF_SB_PARTVSN(sb, i) = le16_to_cpu(upm2->volSeqNum); 1026 UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum);
1186 UDF_SB_PARTNUM(sb, i) = le16_to_cpu(upm2->partitionNum); 1027 UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum);
1187 } 1028 }
1188 udf_debug("Partition (%d:%d) type %d on volume %d\n", 1029 udf_debug("Partition (%d:%d) type %d on volume %d\n",
1189 i, UDF_SB_PARTNUM(sb, i), type, UDF_SB_PARTVSN(sb, 1030 i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i));
1190 i));
1191 } 1031 }
1192 1032
1193 if (fileset) { 1033 if (fileset) {
1194 long_ad *la = (long_ad *) & (lvd->logicalVolContentsUse[0]); 1034 long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]);
1195 1035
1196 *fileset = lelb_to_cpu(la->extLocation); 1036 *fileset = lelb_to_cpu(la->extLocation);
1197 udf_debug 1037 udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
1198 ("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", 1038 fileset->logicalBlockNum,
1199 fileset->logicalBlockNum, fileset->partitionReferenceNum); 1039 fileset->partitionReferenceNum);
1200 } 1040 }
1201 if (lvd->integritySeqExt.extLength) 1041 if (lvd->integritySeqExt.extLength)
1202 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); 1042 udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
1043
1203 return 0; 1044 return 0;
1204} 1045}
1205 1046
@@ -1219,9 +1060,7 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
1219 UDF_SB_LVIDBH(sb) = bh; 1060 UDF_SB_LVIDBH(sb) = bh;
1220 1061
1221 if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength) 1062 if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
1222 udf_load_logicalvolint(sb, 1063 udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
1223 leea_to_cpu(UDF_SB_LVID(sb)->
1224 nextIntegrityExt));
1225 1064
1226 if (UDF_SB_LVIDBH(sb) != bh) 1065 if (UDF_SB_LVIDBH(sb) != bh)
1227 brelse(bh); 1066 brelse(bh);
@@ -1247,9 +1086,8 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
1247 * July 1, 1997 - Andrew E. Mileski 1086 * July 1, 1997 - Andrew E. Mileski
1248 * Written, tested, and released. 1087 * Written, tested, and released.
1249 */ 1088 */
1250static int 1089static int udf_process_sequence(struct super_block *sb, long block, long lastblock,
1251udf_process_sequence(struct super_block *sb, long block, long lastblock, 1090 kernel_lb_addr *fileset)
1252 kernel_lb_addr * fileset)
1253{ 1091{
1254 struct buffer_head *bh = NULL; 1092 struct buffer_head *bh = NULL;
1255 struct udf_vds_record vds[VDS_POS_LENGTH]; 1093 struct udf_vds_record vds[VDS_POS_LENGTH];
@@ -1274,82 +1112,71 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock,
1274 gd = (struct generic_desc *)bh->b_data; 1112 gd = (struct generic_desc *)bh->b_data;
1275 vdsn = le32_to_cpu(gd->volDescSeqNum); 1113 vdsn = le32_to_cpu(gd->volDescSeqNum);
1276 switch (ident) { 1114 switch (ident) {
1277 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ 1115 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
1278 if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) { 1116 if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) {
1279 vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = 1117 vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn;
1280 vdsn;
1281 vds[VDS_POS_PRIMARY_VOL_DESC].block = block; 1118 vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
1282 } 1119 }
1283 break; 1120 break;
1284 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ 1121 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
1285 if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) { 1122 if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) {
1286 vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; 1123 vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn;
1287 vds[VDS_POS_VOL_DESC_PTR].block = block; 1124 vds[VDS_POS_VOL_DESC_PTR].block = block;
1288 1125
1289 vdp = (struct volDescPtr *)bh->b_data; 1126 vdp = (struct volDescPtr *)bh->b_data;
1290 next_s = 1127 next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation);
1291 le32_to_cpu(vdp->nextVolDescSeqExt. 1128 next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength);
1292 extLocation);
1293 next_e =
1294 le32_to_cpu(vdp->nextVolDescSeqExt.
1295 extLength);
1296 next_e = next_e >> sb->s_blocksize_bits; 1129 next_e = next_e >> sb->s_blocksize_bits;
1297 next_e += next_s; 1130 next_e += next_s;
1298 } 1131 }
1299 break; 1132 break;
1300 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ 1133 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
1301 if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) { 1134 if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) {
1302 vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = 1135 vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn;
1303 vdsn;
1304 vds[VDS_POS_IMP_USE_VOL_DESC].block = block; 1136 vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
1305 } 1137 }
1306 break; 1138 break;
1307 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ 1139 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
1308 if (!vds[VDS_POS_PARTITION_DESC].block) 1140 if (!vds[VDS_POS_PARTITION_DESC].block)
1309 vds[VDS_POS_PARTITION_DESC].block = block; 1141 vds[VDS_POS_PARTITION_DESC].block = block;
1310 break; 1142 break;
1311 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ 1143 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
1312 if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) { 1144 if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) {
1313 vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = 1145 vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn;
1314 vdsn;
1315 vds[VDS_POS_LOGICAL_VOL_DESC].block = block; 1146 vds[VDS_POS_LOGICAL_VOL_DESC].block = block;
1316 } 1147 }
1317 break; 1148 break;
1318 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ 1149 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
1319 if (vdsn >= 1150 if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) {
1320 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { 1151 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn;
1321 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum =
1322 vdsn;
1323 vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; 1152 vds[VDS_POS_UNALLOC_SPACE_DESC].block = block;
1324 } 1153 }
1325 break; 1154 break;
1326 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ 1155 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
1327 vds[VDS_POS_TERMINATING_DESC].block = block; 1156 vds[VDS_POS_TERMINATING_DESC].block = block;
1328 if (next_e) { 1157 if (next_e) {
1329 block = next_s; 1158 block = next_s;
1330 lastblock = next_e; 1159 lastblock = next_e;
1331 next_s = next_e = 0; 1160 next_s = next_e = 0;
1332 } else 1161 } else {
1333 done = 1; 1162 done = 1;
1163 }
1334 break; 1164 break;
1335 } 1165 }
1336 brelse(bh); 1166 brelse(bh);
1337 } 1167 }
1338 for (i = 0; i < VDS_POS_LENGTH; i++) { 1168 for (i = 0; i < VDS_POS_LENGTH; i++) {
1339 if (vds[i].block) { 1169 if (vds[i].block) {
1340 bh = udf_read_tagged(sb, vds[i].block, vds[i].block, 1170 bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident);
1341 &ident);
1342 1171
1343 if (i == VDS_POS_PRIMARY_VOL_DESC) 1172 if (i == VDS_POS_PRIMARY_VOL_DESC) {
1344 udf_load_pvoldesc(sb, bh); 1173 udf_load_pvoldesc(sb, bh);
1345 else if (i == VDS_POS_LOGICAL_VOL_DESC) 1174 } else if (i == VDS_POS_LOGICAL_VOL_DESC) {
1346 udf_load_logicalvol(sb, bh, fileset); 1175 udf_load_logicalvol(sb, bh, fileset);
1347 else if (i == VDS_POS_PARTITION_DESC) { 1176 } else if (i == VDS_POS_PARTITION_DESC) {
1348 struct buffer_head *bh2 = NULL; 1177 struct buffer_head *bh2 = NULL;
1349 udf_load_partdesc(sb, bh); 1178 udf_load_partdesc(sb, bh);
1350 for (j = vds[i].block + 1; 1179 for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) {
1351 j < vds[VDS_POS_TERMINATING_DESC].block;
1352 j++) {
1353 bh2 = udf_read_tagged(sb, j, j, &ident); 1180 bh2 = udf_read_tagged(sb, j, j, &ident);
1354 gd = (struct generic_desc *)bh2->b_data; 1181 gd = (struct generic_desc *)bh2->b_data;
1355 if (ident == TAG_IDENT_PD) 1182 if (ident == TAG_IDENT_PD)
@@ -1378,16 +1205,17 @@ static int udf_check_valid(struct super_block *sb, int novrs, int silent)
1378 /* Check that it is NSR02 compliant */ 1205 /* Check that it is NSR02 compliant */
1379 /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */ 1206 /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */
1380 else if ((block = udf_vrs(sb, silent)) == -1) { 1207 else if ((block = udf_vrs(sb, silent)) == -1) {
1381 udf_debug 1208 udf_debug("Failed to read byte 32768. Assuming open disc. "
1382 ("Failed to read byte 32768. Assuming open disc. Skipping validity check\n"); 1209 "Skipping validity check\n");
1383 if (!UDF_SB_LASTBLOCK(sb)) 1210 if (!UDF_SB_LASTBLOCK(sb))
1384 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); 1211 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
1385 return 0; 1212 return 0;
1386 } else 1213 } else {
1387 return !block; 1214 return !block;
1215 }
1388} 1216}
1389 1217
1390static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) 1218static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1391{ 1219{
1392 struct anchorVolDescPtr *anchor; 1220 struct anchorVolDescPtr *anchor;
1393 uint16_t ident; 1221 uint16_t ident;
@@ -1399,28 +1227,20 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
1399 return 1; 1227 return 1;
1400 1228
1401 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { 1229 for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
1402 if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb, 1230 if (UDF_SB_ANCHOR(sb)[i] &&
1403 UDF_SB_ANCHOR 1231 (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
1404 (sb)[i], 1232 UDF_SB_ANCHOR(sb)[i], &ident))) {
1405 UDF_SB_ANCHOR
1406 (sb)[i],
1407 &ident))) {
1408 anchor = (struct anchorVolDescPtr *)bh->b_data; 1233 anchor = (struct anchorVolDescPtr *)bh->b_data;
1409 1234
1410 /* Locate the main sequence */ 1235 /* Locate the main sequence */
1411 main_s = 1236 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
1412 le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); 1237 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength );
1413 main_e =
1414 le32_to_cpu(anchor->mainVolDescSeqExt.extLength);
1415 main_e = main_e >> sb->s_blocksize_bits; 1238 main_e = main_e >> sb->s_blocksize_bits;
1416 main_e += main_s; 1239 main_e += main_s;
1417 1240
1418 /* Locate the reserve sequence */ 1241 /* Locate the reserve sequence */
1419 reserve_s = 1242 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation);
1420 le32_to_cpu(anchor->reserveVolDescSeqExt. 1243 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
1421 extLocation);
1422 reserve_e =
1423 le32_to_cpu(anchor->reserveVolDescSeqExt.extLength);
1424 reserve_e = reserve_e >> sb->s_blocksize_bits; 1244 reserve_e = reserve_e >> sb->s_blocksize_bits;
1425 reserve_e += reserve_s; 1245 reserve_e += reserve_s;
1426 1246
@@ -1428,10 +1248,8 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
1428 1248
1429 /* Process the main & reserve sequences */ 1249 /* Process the main & reserve sequences */
1430 /* responsible for finding the PartitionDesc(s) */ 1250 /* responsible for finding the PartitionDesc(s) */
1431 if (! 1251 if (!(udf_process_sequence(sb, main_s, main_e, fileset) &&
1432 (udf_process_sequence(sb, main_s, main_e, fileset) 1252 udf_process_sequence(sb, reserve_s, reserve_e, fileset))) {
1433 && udf_process_sequence(sb, reserve_s, reserve_e,
1434 fileset))) {
1435 break; 1253 break;
1436 } 1254 }
1437 } 1255 }
@@ -1444,81 +1262,67 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset)
1444 udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]); 1262 udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
1445 1263
1446 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { 1264 for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
1265 kernel_lb_addr uninitialized_var(ino);
1447 switch (UDF_SB_PARTTYPE(sb, i)) { 1266 switch (UDF_SB_PARTTYPE(sb, i)) {
1448 case UDF_VIRTUAL_MAP15: 1267 case UDF_VIRTUAL_MAP15:
1449 case UDF_VIRTUAL_MAP20: 1268 case UDF_VIRTUAL_MAP20:
1450 { 1269 if (!UDF_SB_LASTBLOCK(sb)) {
1451 kernel_lb_addr uninitialized_var(ino); 1270 UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
1271 udf_find_anchor(sb);
1272 }
1452 1273
1453 if (!UDF_SB_LASTBLOCK(sb)) { 1274 if (!UDF_SB_LASTBLOCK(sb)) {
1454 UDF_SB_LASTBLOCK(sb) = 1275 udf_debug("Unable to determine Lastblock (For "
1455 udf_get_last_block(sb); 1276 "Virtual Partition)\n");
1456 udf_find_anchor(sb); 1277 return 1;
1457 } 1278 }
1458 1279
1459 if (!UDF_SB_LASTBLOCK(sb)) { 1280 for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
1460 udf_debug 1281 if (j != i && UDF_SB_PARTVSN(sb, i) ==
1461 ("Unable to determine Lastblock (For Virtual Partition)\n"); 1282 UDF_SB_PARTVSN(sb, j) &&
1462 return 1; 1283 UDF_SB_PARTNUM(sb, i) ==
1284 UDF_SB_PARTNUM(sb, j)) {
1285 ino.partitionReferenceNum = j;
1286 ino.logicalBlockNum =
1287 UDF_SB_LASTBLOCK(sb) -
1288 UDF_SB_PARTROOT(sb, j);
1289 break;
1463 } 1290 }
1291 }
1464 1292
1465 for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { 1293 if (j == UDF_SB_NUMPARTS(sb))
1466 if (j != i && 1294 return 1;
1467 UDF_SB_PARTVSN(sb,
1468 i) ==
1469 UDF_SB_PARTVSN(sb, j)
1470 && UDF_SB_PARTNUM(sb,
1471 i) ==
1472 UDF_SB_PARTNUM(sb, j)) {
1473 ino.partitionReferenceNum = j;
1474 ino.logicalBlockNum =
1475 UDF_SB_LASTBLOCK(sb) -
1476 UDF_SB_PARTROOT(sb, j);
1477 break;
1478 }
1479 }
1480 1295
1481 if (j == UDF_SB_NUMPARTS(sb)) 1296 if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
1482 return 1; 1297 return 1;
1483 1298
1484 if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) 1299 if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) {
1485 return 1; 1300 UDF_SB_TYPEVIRT(sb, i).s_start_offset =
1301 udf_ext0_offset(UDF_SB_VAT(sb));
1302 UDF_SB_TYPEVIRT(sb, i).s_num_entries =
1303 (UDF_SB_VAT(sb)->i_size - 36) >> 2;
1304 } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) {
1305 struct buffer_head *bh = NULL;
1306 uint32_t pos;
1486 1307
1487 if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { 1308 pos = udf_block_map(UDF_SB_VAT(sb), 0);
1488 UDF_SB_TYPEVIRT(sb, i).s_start_offset = 1309 bh = sb_bread(sb, pos);
1489 udf_ext0_offset(UDF_SB_VAT(sb)); 1310 if (!bh)
1490 UDF_SB_TYPEVIRT(sb, i).s_num_entries = 1311 return 1;
1491 (UDF_SB_VAT(sb)->i_size - 36) >> 2; 1312 UDF_SB_TYPEVIRT(sb, i).s_start_offset =
1492 } else if (UDF_SB_PARTTYPE(sb, i) == 1313 le16_to_cpu(((struct
1493 UDF_VIRTUAL_MAP20) { 1314 virtualAllocationTable20 *)bh->b_data +
1494 struct buffer_head *bh = NULL; 1315 udf_ext0_offset(UDF_SB_VAT(sb)))->
1495 uint32_t pos; 1316 lengthHeader) +
1496 1317 udf_ext0_offset(UDF_SB_VAT(sb));
1497 pos = udf_block_map(UDF_SB_VAT(sb), 0); 1318 UDF_SB_TYPEVIRT(sb, i).s_num_entries =
1498 bh = sb_bread(sb, pos); 1319 (UDF_SB_VAT(sb)->i_size -
1499 if (!bh) 1320 UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2;
1500 return 1; 1321 brelse(bh);
1501 UDF_SB_TYPEVIRT(sb, i).s_start_offset =
1502 le16_to_cpu(((struct
1503 virtualAllocationTable20
1504 *)bh->b_data +
1505 udf_ext0_offset
1506 (UDF_SB_VAT(sb)))->
1507 lengthHeader) +
1508 udf_ext0_offset(UDF_SB_VAT(sb));
1509 UDF_SB_TYPEVIRT(sb, i).s_num_entries =
1510 (UDF_SB_VAT(sb)->i_size -
1511 UDF_SB_TYPEVIRT(sb,
1512 i).
1513 s_start_offset) >> 2;
1514 brelse(bh);
1515 }
1516 UDF_SB_PARTROOT(sb, i) =
1517 udf_get_pblock(sb, 0, i, 0);
1518 UDF_SB_PARTLEN(sb, i) =
1519 UDF_SB_PARTLEN(sb,
1520 ino.partitionReferenceNum);
1521 } 1322 }
1323 UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0);
1324 UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb,
1325 ino.partitionReferenceNum);
1522 } 1326 }
1523 } 1327 }
1524 return 0; 1328 return 0;
@@ -1555,42 +1359,32 @@ static void udf_open_lvid(struct super_block *sb)
1555 1359
1556static void udf_close_lvid(struct super_block *sb) 1360static void udf_close_lvid(struct super_block *sb)
1557{ 1361{
1362 kernel_timestamp cpu_time;
1363 int i;
1364
1558 if (UDF_SB_LVIDBH(sb) && 1365 if (UDF_SB_LVIDBH(sb) &&
1559 UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) { 1366 UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
1560 int i;
1561 kernel_timestamp cpu_time;
1562
1563 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; 1367 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
1564 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; 1368 UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
1565 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) 1369 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
1566 UDF_SB_LVID(sb)->recordingDateAndTime = 1370 UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
1567 cpu_to_lets(cpu_time); 1371 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev))
1568 if (UDF_MAX_WRITE_VERSION > 1372 UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION);
1569 le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) 1373 if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev))
1570 UDF_SB_LVIDIU(sb)->maxUDFWriteRev = 1374 UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb));
1571 cpu_to_le16(UDF_MAX_WRITE_VERSION); 1375 if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev))
1572 if (UDF_SB_UDFREV(sb) > 1376 UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb));
1573 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) 1377 UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
1574 UDF_SB_LVIDIU(sb)->minUDFReadRev =
1575 cpu_to_le16(UDF_SB_UDFREV(sb));
1576 if (UDF_SB_UDFREV(sb) >
1577 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev))
1578 UDF_SB_LVIDIU(sb)->minUDFWriteRev =
1579 cpu_to_le16(UDF_SB_UDFREV(sb));
1580 UDF_SB_LVID(sb)->integrityType =
1581 cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
1582 1378
1583 UDF_SB_LVID(sb)->descTag.descCRC = 1379 UDF_SB_LVID(sb)->descTag.descCRC =
1584 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), 1380 cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
1585 le16_to_cpu(UDF_SB_LVID(sb)->descTag. 1381 le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
1586 descCRCLength), 0));
1587 1382
1588 UDF_SB_LVID(sb)->descTag.tagChecksum = 0; 1383 UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
1589 for (i = 0; i < 16; i++) 1384 for (i = 0; i < 16; i++)
1590 if (i != 4) 1385 if (i != 4)
1591 UDF_SB_LVID(sb)->descTag.tagChecksum += 1386 UDF_SB_LVID(sb)->descTag.tagChecksum +=
1592 ((uint8_t *) & 1387 ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
1593 (UDF_SB_LVID(sb)->descTag))[i];
1594 1388
1595 mark_buffer_dirty(UDF_SB_LVIDBH(sb)); 1389 mark_buffer_dirty(UDF_SB_LVIDBH(sb));
1596 } 1390 }
@@ -1628,6 +1422,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1628 sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL); 1422 sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
1629 if (!sbi) 1423 if (!sbi)
1630 return -ENOMEM; 1424 return -ENOMEM;
1425
1631 sb->s_fs_info = sbi; 1426 sb->s_fs_info = sbi;
1632 memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info)); 1427 memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info));
1633 1428
@@ -1679,7 +1474,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1679 UDF_SB_ANCHOR(sb)[2] = uopt.anchor; 1474 UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
1680 UDF_SB_ANCHOR(sb)[3] = 256; 1475 UDF_SB_ANCHOR(sb)[3] = 256;
1681 1476
1682 if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */ 1477 if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
1683 printk("UDF-fs: No VRS found\n"); 1478 printk("UDF-fs: No VRS found\n");
1684 goto error_out; 1479 goto error_out;
1685 } 1480 }
@@ -1701,10 +1496,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1701 udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb)); 1496 udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
1702 1497
1703 if (UDF_SB_LVIDBH(sb)) { 1498 if (UDF_SB_LVIDBH(sb)) {
1704 uint16_t minUDFReadRev = 1499 uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev);
1705 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); 1500 uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
1706 uint16_t minUDFWriteRev =
1707 le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
1708 /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */ 1501 /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */
1709 1502
1710 if (minUDFReadRev > UDF_MAX_READ_VERSION) { 1503 if (minUDFReadRev > UDF_MAX_READ_VERSION) {
@@ -1729,10 +1522,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1729 goto error_out; 1522 goto error_out;
1730 } 1523 }
1731 1524
1732 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1525 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) {
1733 UDF_PART_FLAG_READ_ONLY) { 1526 printk("UDF-fs: Partition marked readonly; forcing readonly mount\n");
1734 printk
1735 ("UDF-fs: Partition marked readonly; forcing readonly mount\n");
1736 sb->s_flags |= MS_RDONLY; 1527 sb->s_flags |= MS_RDONLY;
1737 } 1528 }
1738 1529
@@ -1744,10 +1535,11 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1744 if (!silent) { 1535 if (!silent) {
1745 kernel_timestamp ts; 1536 kernel_timestamp ts;
1746 udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb)); 1537 udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
1747 udf_info 1538 udf_info("UDF %s (%s) Mounting volume '%s', "
1748 ("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", 1539 "timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
1749 UDFFS_VERSION, UDFFS_DATE, UDF_SB_VOLIDENT(sb), ts.year, 1540 UDFFS_VERSION, UDFFS_DATE,
1750 ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone); 1541 UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute,
1542 ts.typeAndTimezone);
1751 } 1543 }
1752 if (!(sb->s_flags & MS_RDONLY)) 1544 if (!(sb->s_flags & MS_RDONLY))
1753 udf_open_lvid(sb); 1545 udf_open_lvid(sb);
@@ -1772,30 +1564,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1772 sb->s_maxbytes = MAX_LFS_FILESIZE; 1564 sb->s_maxbytes = MAX_LFS_FILESIZE;
1773 return 0; 1565 return 0;
1774 1566
1775 error_out: 1567error_out:
1776 if (UDF_SB_VAT(sb)) 1568 if (UDF_SB_VAT(sb))
1777 iput(UDF_SB_VAT(sb)); 1569 iput(UDF_SB_VAT(sb));
1778 if (UDF_SB_NUMPARTS(sb)) { 1570 if (UDF_SB_NUMPARTS(sb)) {
1779 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1571 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
1780 UDF_PART_FLAG_UNALLOC_TABLE) 1572 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
1781 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. 1573 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
1782 s_table); 1574 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
1783 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1575 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
1784 UDF_PART_FLAG_FREED_TABLE) 1576 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
1785 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. 1577 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
1786 s_table); 1578 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
1787 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1579 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
1788 UDF_PART_FLAG_UNALLOC_BITMAP)
1789 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
1790 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1791 UDF_PART_FLAG_FREED_BITMAP)
1792 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
1793 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) ==
1794 UDF_SPARABLE_MAP15) {
1795 for (i = 0; i < 4; i++) 1580 for (i = 0; i < 4; i++)
1796 brelse(UDF_SB_TYPESPAR 1581 brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
1797 (sb,
1798 UDF_SB_PARTITION(sb)).s_spar_map[i]);
1799 } 1582 }
1800 } 1583 }
1801#ifdef CONFIG_UDF_NLS 1584#ifdef CONFIG_UDF_NLS
@@ -1808,6 +1591,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1808 UDF_SB_FREE(sb); 1591 UDF_SB_FREE(sb);
1809 kfree(sbi); 1592 kfree(sbi);
1810 sb->s_fs_info = NULL; 1593 sb->s_fs_info = NULL;
1594
1811 return -EINVAL; 1595 return -EINVAL;
1812} 1596}
1813 1597
@@ -1823,8 +1607,8 @@ void udf_error(struct super_block *sb, const char *function,
1823 va_start(args, fmt); 1607 va_start(args, fmt);
1824 vsnprintf(error_buf, sizeof(error_buf), fmt, args); 1608 vsnprintf(error_buf, sizeof(error_buf), fmt, args);
1825 va_end(args); 1609 va_end(args);
1826 printk(KERN_CRIT "UDF-fs error (device %s): %s: %s\n", 1610 printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n",
1827 sb->s_id, function, error_buf); 1611 sb->s_id, function, error_buf);
1828} 1612}
1829 1613
1830void udf_warning(struct super_block *sb, const char *function, 1614void udf_warning(struct super_block *sb, const char *function,
@@ -1859,26 +1643,17 @@ static void udf_put_super(struct super_block *sb)
1859 if (UDF_SB_VAT(sb)) 1643 if (UDF_SB_VAT(sb))
1860 iput(UDF_SB_VAT(sb)); 1644 iput(UDF_SB_VAT(sb));
1861 if (UDF_SB_NUMPARTS(sb)) { 1645 if (UDF_SB_NUMPARTS(sb)) {
1862 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1646 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
1863 UDF_PART_FLAG_UNALLOC_TABLE) 1647 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
1864 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. 1648 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
1865 s_table); 1649 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
1866 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1650 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
1867 UDF_PART_FLAG_FREED_TABLE) 1651 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
1868 iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. 1652 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
1869 s_table); 1653 UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
1870 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1654 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
1871 UDF_PART_FLAG_UNALLOC_BITMAP)
1872 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace);
1873 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) &
1874 UDF_PART_FLAG_FREED_BITMAP)
1875 UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace);
1876 if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) ==
1877 UDF_SPARABLE_MAP15) {
1878 for (i = 0; i < 4; i++) 1655 for (i = 0; i < 4; i++)
1879 brelse(UDF_SB_TYPESPAR 1656 brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
1880 (sb,
1881 UDF_SB_PARTITION(sb)).s_spar_map[i]);
1882 } 1657 }
1883 } 1658 }
1884#ifdef CONFIG_UDF_NLS 1659#ifdef CONFIG_UDF_NLS
@@ -1917,8 +1692,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
1917 buf->f_bavail = buf->f_bfree; 1692 buf->f_bavail = buf->f_bfree;
1918 buf->f_files = (UDF_SB_LVIDBH(sb) ? 1693 buf->f_files = (UDF_SB_LVIDBH(sb) ?
1919 (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1694 (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
1920 le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + 1695 le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
1921 buf->f_bfree;
1922 buf->f_ffree = buf->f_bfree; 1696 buf->f_ffree = buf->f_bfree;
1923 /* __kernel_fsid_t f_fsid */ 1697 /* __kernel_fsid_t f_fsid */
1924 buf->f_namelen = UDF_NAME_LEN - 2; 1698 buf->f_namelen = UDF_NAME_LEN - 2;
@@ -1930,8 +1704,7 @@ static unsigned char udf_bitmap_lookup[16] = {
1930 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 1704 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
1931}; 1705};
1932 1706
1933static unsigned int 1707static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1934udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1935{ 1708{
1936 struct buffer_head *bh = NULL; 1709 struct buffer_head *bh = NULL;
1937 unsigned int accum = 0; 1710 unsigned int accum = 0;
@@ -1961,8 +1734,8 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1961 1734
1962 bm = (struct spaceBitmapDesc *)bh->b_data; 1735 bm = (struct spaceBitmapDesc *)bh->b_data;
1963 bytes = le32_to_cpu(bm->numOfBytes); 1736 bytes = le32_to_cpu(bm->numOfBytes);
1964 index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ 1737 index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
1965 ptr = (uint8_t *) bh->b_data; 1738 ptr = (uint8_t *)bh->b_data;
1966 1739
1967 while (bytes > 0) { 1740 while (bytes > 0) {
1968 while ((bytes > 0) && (index < sb->s_blocksize)) { 1741 while ((bytes > 0) && (index < sb->s_blocksize)) {
@@ -1981,19 +1754,18 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
1981 goto out; 1754 goto out;
1982 } 1755 }
1983 index = 0; 1756 index = 0;
1984 ptr = (uint8_t *) bh->b_data; 1757 ptr = (uint8_t *)bh->b_data;
1985 } 1758 }
1986 } 1759 }
1987 brelse(bh); 1760 brelse(bh);
1988 1761
1989 out: 1762out:
1990 unlock_kernel(); 1763 unlock_kernel();
1991 1764
1992 return accum; 1765 return accum;
1993} 1766}
1994 1767
1995static unsigned int 1768static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table)
1996udf_count_free_table(struct super_block *sb, struct inode *table)
1997{ 1769{
1998 unsigned int accum = 0; 1770 unsigned int accum = 0;
1999 uint32_t elen; 1771 uint32_t elen;
@@ -2007,8 +1779,9 @@ udf_count_free_table(struct super_block *sb, struct inode *table)
2007 epos.offset = sizeof(struct unallocSpaceEntry); 1779 epos.offset = sizeof(struct unallocSpaceEntry);
2008 epos.bh = NULL; 1780 epos.bh = NULL;
2009 1781
2010 while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) 1782 while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
2011 accum += (elen >> table->i_sb->s_blocksize_bits); 1783 accum += (elen >> table->i_sb->s_blocksize_bits);
1784 }
2012 brelse(epos.bh); 1785 brelse(epos.bh);
2013 1786
2014 unlock_kernel(); 1787 unlock_kernel();
@@ -2021,12 +1794,8 @@ static unsigned int udf_count_free(struct super_block *sb)
2021 unsigned int accum = 0; 1794 unsigned int accum = 0;
2022 1795
2023 if (UDF_SB_LVIDBH(sb)) { 1796 if (UDF_SB_LVIDBH(sb)) {
2024 if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > 1797 if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) {
2025 UDF_SB_PARTITION(sb)) { 1798 accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]);
2026 accum =
2027 le32_to_cpu(UDF_SB_LVID(sb)->
2028 freeSpaceTable[UDF_SB_PARTITION(sb)]);
2029
2030 if (accum == 0xFFFFFFFF) 1799 if (accum == 0xFFFFFFFF)
2031 accum = 0; 1800 accum = 0;
2032 } 1801 }
@@ -2035,40 +1804,24 @@ static unsigned int udf_count_free(struct super_block *sb)
2035 if (accum) 1804 if (accum)
2036 return accum; 1805 return accum;
2037 1806
2038 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1807 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) {
2039 UDF_PART_FLAG_UNALLOC_BITMAP) { 1808 accum += udf_count_free_bitmap(sb,
2040 accum += 1809 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
2041 udf_count_free_bitmap(sb,
2042 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2043 (sb)].s_uspace.
2044 s_bitmap);
2045 } 1810 }
2046 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1811 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) {
2047 UDF_PART_FLAG_FREED_BITMAP) { 1812 accum += udf_count_free_bitmap(sb,
2048 accum += 1813 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
2049 udf_count_free_bitmap(sb,
2050 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2051 (sb)].s_fspace.
2052 s_bitmap);
2053 } 1814 }
2054 if (accum) 1815 if (accum)
2055 return accum; 1816 return accum;
2056 1817
2057 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1818 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) {
2058 UDF_PART_FLAG_UNALLOC_TABLE) { 1819 accum += udf_count_free_table(sb,
2059 accum += 1820 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
2060 udf_count_free_table(sb,
2061 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2062 (sb)].s_uspace.
2063 s_table);
2064 } 1821 }
2065 if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & 1822 if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) {
2066 UDF_PART_FLAG_FREED_TABLE) { 1823 accum += udf_count_free_table(sb,
2067 accum += 1824 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
2068 udf_count_free_table(sb,
2069 UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION
2070 (sb)].s_fspace.
2071 s_table);
2072 } 1825 }
2073 1826
2074 return accum; 1827 return accum;
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index c4b82a920082..e6f933dd6a7b 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -11,7 +11,7 @@
11 * Each contributing author retains all rights to their own work. 11 * Each contributing author retains all rights to their own work.
12 * 12 *
13 * (C) 1998-2001 Ben Fennema 13 * (C) 1998-2001 Ben Fennema
14 * (C) 1999 Stelias Computing Inc 14 * (C) 1999 Stelias Computing Inc
15 * 15 *
16 * HISTORY 16 * HISTORY
17 * 17 *
@@ -33,8 +33,7 @@
33#include <linux/buffer_head.h> 33#include <linux/buffer_head.h>
34#include "udf_i.h" 34#include "udf_i.h"
35 35
36static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, 36static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, char *to)
37 char *to)
38{ 37{
39 struct pathComponent *pc; 38 struct pathComponent *pc;
40 int elen = 0; 39 int elen = 0;
@@ -81,9 +80,9 @@ static int udf_symlink_filler(struct file *file, struct page *page)
81 char *p = kmap(page); 80 char *p = kmap(page);
82 81
83 lock_kernel(); 82 lock_kernel();
84 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) 83 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
85 symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); 84 symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
86 else { 85 } else {
87 bh = sb_bread(inode->i_sb, udf_block_map(inode, 0)); 86 bh = sb_bread(inode->i_sb, udf_block_map(inode, 0));
88 87
89 if (!bh) 88 if (!bh)
@@ -100,7 +99,8 @@ static int udf_symlink_filler(struct file *file, struct page *page)
100 kunmap(page); 99 kunmap(page);
101 unlock_page(page); 100 unlock_page(page);
102 return 0; 101 return 0;
103 out: 102
103out:
104 unlock_kernel(); 104 unlock_kernel();
105 SetPageError(page); 105 SetPageError(page);
106 kunmap(page); 106 kunmap(page);
@@ -112,5 +112,5 @@ static int udf_symlink_filler(struct file *file, struct page *page)
112 * symlinks can't do much... 112 * symlinks can't do much...
113 */ 113 */
114const struct address_space_operations udf_symlink_aops = { 114const struct address_space_operations udf_symlink_aops = {
115 .readpage = udf_symlink_filler, 115 .readpage = udf_symlink_filler,
116}; 116};
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index b2002da0a5c0..7fc3912885a5 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -32,13 +32,11 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos,
32 kernel_lb_addr eloc, int8_t etype, uint32_t elen, 32 kernel_lb_addr eloc, int8_t etype, uint32_t elen,
33 uint32_t nelen) 33 uint32_t nelen)
34{ 34{
35 kernel_lb_addr neloc = { 0, 0 }; 35 kernel_lb_addr neloc = {};
36 int last_block = 36 int last_block = (elen + inode->i_sb->s_blocksize - 1) >>
37 (elen + inode->i_sb->s_blocksize - 37 inode->i_sb->s_blocksize_bits;
38 1) >> inode->i_sb->s_blocksize_bits; 38 int first_block = (nelen + inode->i_sb->s_blocksize - 1) >>
39 int first_block = 39 inode->i_sb->s_blocksize_bits;
40 (nelen + inode->i_sb->s_blocksize -
41 1) >> inode->i_sb->s_blocksize_bits;
42 40
43 if (nelen) { 41 if (nelen) {
44 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 42 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
@@ -70,7 +68,7 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos,
70 */ 68 */
71void udf_truncate_tail_extent(struct inode *inode) 69void udf_truncate_tail_extent(struct inode *inode)
72{ 70{
73 struct extent_position epos = { NULL, 0, {0, 0} }; 71 struct extent_position epos = {};
74 kernel_lb_addr eloc; 72 kernel_lb_addr eloc;
75 uint32_t elen, nelen; 73 uint32_t elen, nelen;
76 uint64_t lbcount = 0; 74 uint64_t lbcount = 0;
@@ -156,16 +154,16 @@ void udf_discard_prealloc(struct inode *inode)
156 extent_trunc(inode, &epos, eloc, etype, elen, 0); 154 extent_trunc(inode, &epos, eloc, etype, elen, 0);
157 if (!epos.bh) { 155 if (!epos.bh) {
158 UDF_I_LENALLOC(inode) = 156 UDF_I_LENALLOC(inode) =
159 epos.offset - udf_file_entry_alloc_offset(inode); 157 epos.offset - udf_file_entry_alloc_offset(inode);
160 mark_inode_dirty(inode); 158 mark_inode_dirty(inode);
161 } else { 159 } else {
162 struct allocExtDesc *aed = 160 struct allocExtDesc *aed =
163 (struct allocExtDesc *)(epos.bh->b_data); 161 (struct allocExtDesc *)(epos.bh->b_data);
164 aed->lengthAllocDescs = 162 aed->lengthAllocDescs =
165 cpu_to_le32(epos.offset - 163 cpu_to_le32(epos.offset -
166 sizeof(struct allocExtDesc)); 164 sizeof(struct allocExtDesc));
167 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) 165 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
168 || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) 166 UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
169 udf_update_tag(epos.bh->b_data, epos.offset); 167 udf_update_tag(epos.bh->b_data, epos.offset);
170 else 168 else
171 udf_update_tag(epos.bh->b_data, 169 udf_update_tag(epos.bh->b_data,
@@ -182,7 +180,7 @@ void udf_discard_prealloc(struct inode *inode)
182void udf_truncate_extents(struct inode *inode) 180void udf_truncate_extents(struct inode *inode)
183{ 181{
184 struct extent_position epos; 182 struct extent_position epos;
185 kernel_lb_addr eloc, neloc = { 0, 0 }; 183 kernel_lb_addr eloc, neloc = {};
186 uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; 184 uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc;
187 int8_t etype; 185 int8_t etype;
188 struct super_block *sb = inode->i_sb; 186 struct super_block *sb = inode->i_sb;
@@ -198,9 +196,8 @@ void udf_truncate_extents(struct inode *inode)
198 BUG(); 196 BUG();
199 197
200 etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); 198 etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);
201 byte_offset = 199 byte_offset = (offset << sb->s_blocksize_bits) +
202 (offset << sb->s_blocksize_bits) + 200 (inode->i_size & (sb->s_blocksize - 1));
203 (inode->i_size & (sb->s_blocksize - 1));
204 if (etype != -1) { 201 if (etype != -1) {
205 epos.offset -= adsize; 202 epos.offset -= adsize;
206 extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); 203 extent_trunc(inode, &epos, eloc, etype, elen, byte_offset);
@@ -215,9 +212,7 @@ void udf_truncate_extents(struct inode *inode)
215 else 212 else
216 lenalloc -= sizeof(struct allocExtDesc); 213 lenalloc -= sizeof(struct allocExtDesc);
217 214
218 while ((etype = 215 while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) {
219 udf_current_aext(inode, &epos, &eloc, &elen,
220 0)) != -1) {
221 if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { 216 if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
222 udf_write_aext(inode, &epos, neloc, nelen, 0); 217 udf_write_aext(inode, &epos, neloc, nelen, 0);
223 if (indirect_ext_len) { 218 if (indirect_ext_len) {
@@ -229,52 +224,35 @@ void udf_truncate_extents(struct inode *inode)
229 0, indirect_ext_len); 224 0, indirect_ext_len);
230 } else { 225 } else {
231 if (!epos.bh) { 226 if (!epos.bh) {
232 UDF_I_LENALLOC(inode) = 227 UDF_I_LENALLOC(inode) = lenalloc;
233 lenalloc;
234 mark_inode_dirty(inode); 228 mark_inode_dirty(inode);
235 } else { 229 } else {
236 struct allocExtDesc *aed = 230 struct allocExtDesc *aed =
237 (struct allocExtDesc 231 (struct allocExtDesc *)(epos.bh->b_data);
238 *)(epos.bh->b_data);
239 aed->lengthAllocDescs = 232 aed->lengthAllocDescs =
240 cpu_to_le32(lenalloc); 233 cpu_to_le32(lenalloc);
241 if (!UDF_QUERY_FLAG 234 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) ||
242 (sb, UDF_FLAG_STRICT) 235 UDF_SB_UDFREV(sb) >= 0x0201)
243 || UDF_SB_UDFREV(sb) >= 236 udf_update_tag(epos.bh->b_data,
244 0x0201) 237 lenalloc +
245 udf_update_tag(epos.bh-> 238 sizeof(struct allocExtDesc));
246 b_data,
247 lenalloc
248 +
249 sizeof
250 (struct
251 allocExtDesc));
252 else 239 else
253 udf_update_tag(epos.bh-> 240 udf_update_tag(epos.bh->b_data,
254 b_data, 241 sizeof(struct allocExtDesc));
255 sizeof 242 mark_buffer_dirty_inode(epos.bh, inode);
256 (struct
257 allocExtDesc));
258 mark_buffer_dirty_inode(epos.bh,
259 inode);
260 } 243 }
261 } 244 }
262 brelse(epos.bh); 245 brelse(epos.bh);
263 epos.offset = sizeof(struct allocExtDesc); 246 epos.offset = sizeof(struct allocExtDesc);
264 epos.block = eloc; 247 epos.block = eloc;
265 epos.bh = 248 epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0));
266 udf_tread(sb,
267 udf_get_lb_pblock(sb, eloc, 0));
268 if (elen) 249 if (elen)
269 indirect_ext_len = (elen + 250 indirect_ext_len = (elen + sb->s_blocksize -1) >>
270 sb->s_blocksize - 251 sb->s_blocksize_bits;
271 1) >> sb->
272 s_blocksize_bits;
273 else 252 else
274 indirect_ext_len = 1; 253 indirect_ext_len = 1;
275 } else { 254 } else {
276 extent_trunc(inode, &epos, eloc, etype, elen, 255 extent_trunc(inode, &epos, eloc, etype, elen, 0);
277 0);
278 epos.offset += adsize; 256 epos.offset += adsize;
279 } 257 }
280 } 258 }
@@ -292,16 +270,13 @@ void udf_truncate_extents(struct inode *inode)
292 struct allocExtDesc *aed = 270 struct allocExtDesc *aed =
293 (struct allocExtDesc *)(epos.bh->b_data); 271 (struct allocExtDesc *)(epos.bh->b_data);
294 aed->lengthAllocDescs = cpu_to_le32(lenalloc); 272 aed->lengthAllocDescs = cpu_to_le32(lenalloc);
295 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) 273 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) ||
296 || UDF_SB_UDFREV(sb) >= 0x0201) 274 UDF_SB_UDFREV(sb) >= 0x0201)
297 udf_update_tag(epos.bh->b_data, 275 udf_update_tag(epos.bh->b_data,
298 lenalloc + 276 lenalloc + sizeof(struct allocExtDesc));
299 sizeof(struct
300 allocExtDesc));
301 else 277 else
302 udf_update_tag(epos.bh->b_data, 278 udf_update_tag(epos.bh->b_data,
303 sizeof(struct 279 sizeof(struct allocExtDesc));
304 allocExtDesc));
305 mark_buffer_dirty_inode(epos.bh, inode); 280 mark_buffer_dirty_inode(epos.bh, inode);
306 } 281 }
307 } 282 }
@@ -314,21 +289,14 @@ void udf_truncate_extents(struct inode *inode)
314 * no extent above inode->i_size => truncate is 289 * no extent above inode->i_size => truncate is
315 * extending the file by 'offset' blocks. 290 * extending the file by 'offset' blocks.
316 */ 291 */
317 if ((!epos.bh 292 if ((!epos.bh &&
318 && epos.offset == 293 epos.offset == udf_file_entry_alloc_offset(inode)) ||
319 udf_file_entry_alloc_offset(inode)) || (epos.bh 294 (epos.bh && epos.offset == sizeof(struct allocExtDesc))) {
320 && epos.
321 offset ==
322 sizeof
323 (struct
324 allocExtDesc)))
325 {
326 /* File has no extents at all or has empty last 295 /* File has no extents at all or has empty last
327 * indirect extent! Create a fake extent... */ 296 * indirect extent! Create a fake extent... */
328 extent.extLocation.logicalBlockNum = 0; 297 extent.extLocation.logicalBlockNum = 0;
329 extent.extLocation.partitionReferenceNum = 0; 298 extent.extLocation.partitionReferenceNum = 0;
330 extent.extLength = 299 extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
331 EXT_NOT_RECORDED_NOT_ALLOCATED;
332 } else { 300 } else {
333 epos.offset -= adsize; 301 epos.offset -= adsize;
334 etype = udf_next_aext(inode, &epos, 302 etype = udf_next_aext(inode, &epos,
@@ -337,10 +305,7 @@ void udf_truncate_extents(struct inode *inode)
337 extent.extLength |= etype << 30; 305 extent.extLength |= etype << 30;
338 } 306 }
339 udf_extend_file(inode, &epos, &extent, 307 udf_extend_file(inode, &epos, &extent,
340 offset + 308 offset + ((inode->i_size & (sb->s_blocksize - 1)) != 0));
341 ((inode->
342 i_size & (sb->s_blocksize - 1)) !=
343 0));
344 } 309 }
345 } 310 }
346 UDF_I_LENEXTENTS(inode) = inode->i_size; 311 UDF_I_LENEXTENTS(inode) = inode->i_size;
diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h
index bee4308a8113..d7dbe6f3ba0c 100644
--- a/fs/udf/udf_i.h
+++ b/fs/udf/udf_i.h
@@ -23,4 +23,4 @@ static inline struct udf_inode_info *UDF_I(struct inode *inode)
23#define UDF_I_LAD(X) ( UDF_I(X)->i_ext.i_lad ) 23#define UDF_I_LAD(X) ( UDF_I(X)->i_ext.i_lad )
24#define UDF_I_DATA(X) ( UDF_I(X)->i_ext.i_data ) 24#define UDF_I_DATA(X) ( UDF_I(X)->i_ext.i_data )
25 25
26#endif /* !defined(_LINUX_UDF_I_H) */ 26#endif /* !defined(_LINUX_UDF_I_H) */
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 60f31d8cebee..3e937d3fb8f9 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -20,8 +20,8 @@
20#define UDF_FLAG_VARCONV 8 20#define UDF_FLAG_VARCONV 8
21#define UDF_FLAG_NLS_MAP 9 21#define UDF_FLAG_NLS_MAP 9
22#define UDF_FLAG_UTF8 10 22#define UDF_FLAG_UTF8 10
23#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ 23#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */
24#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ 24#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */
25#define UDF_FLAG_GID_FORGET 13 25#define UDF_FLAG_GID_FORGET 13
26#define UDF_FLAG_GID_IGNORE 14 26#define UDF_FLAG_GID_IGNORE 14
27 27
@@ -41,8 +41,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
41 41
42#define UDF_SB_FREE(X)\ 42#define UDF_SB_FREE(X)\
43{\ 43{\
44 if (UDF_SB(X))\ 44 if (UDF_SB(X)) {\
45 {\
46 kfree(UDF_SB_PARTMAPS(X));\ 45 kfree(UDF_SB_PARTMAPS(X));\
47 UDF_SB_PARTMAPS(X) = NULL;\ 46 UDF_SB_PARTMAPS(X) = NULL;\
48 }\ 47 }\
@@ -51,13 +50,10 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
51#define UDF_SB_ALLOC_PARTMAPS(X,Y)\ 50#define UDF_SB_ALLOC_PARTMAPS(X,Y)\
52{\ 51{\
53 UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\ 52 UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
54 if (UDF_SB_PARTMAPS(X) != NULL)\ 53 if (UDF_SB_PARTMAPS(X) != NULL) {\
55 {\
56 UDF_SB_NUMPARTS(X) = Y;\ 54 UDF_SB_NUMPARTS(X) = Y;\
57 memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\ 55 memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\
58 }\ 56 } else {\
59 else\
60 {\
61 UDF_SB_NUMPARTS(X) = 0;\ 57 UDF_SB_NUMPARTS(X) = 0;\
62 udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\ 58 udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\
63 }\ 59 }\
@@ -72,15 +68,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
72 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\ 68 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
73 else\ 69 else\
74 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\ 70 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\
75 if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\ 71 if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\
76 {\
77 memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\ 72 memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\
78 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\ 73 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
79 (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\ 74 (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\
80 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\ 75 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
81 }\ 76 } else {\
82 else\
83 {\
84 udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\ 77 udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
85 }\ 78 }\
86} 79}
@@ -90,8 +83,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
90 int i;\ 83 int i;\
91 int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\ 84 int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\
92 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\ 85 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
93 for (i=0; i<nr_groups; i++)\ 86 for (i = 0; i < nr_groups; i++) {\
94 {\
95 if (UDF_SB_BITMAP(X,Y,Z,i))\ 87 if (UDF_SB_BITMAP(X,Y,Z,i))\
96 brelse(UDF_SB_BITMAP(X,Y,Z,i));\ 88 brelse(UDF_SB_BITMAP(X,Y,Z,i));\
97 }\ 89 }\
@@ -139,4 +131,4 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
139#define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags ) 131#define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags )
140#define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat ) 132#define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat )
141 133
142#endif /* __LINUX_UDF_SB_H */ 134#endif /* __LINUX_UDF_SB_H */
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 76f2b82a39dc..c8016cc9e7e6 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -63,8 +63,8 @@ struct udf_vds_record {
63}; 63};
64 64
65struct generic_desc { 65struct generic_desc {
66 tag descTag; 66 tag descTag;
67 __le32 volDescSeqNum; 67 __le32 volDescSeqNum;
68}; 68};
69 69
70struct ustr { 70struct ustr {
diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h
index 450daab35a13..c4bd1203f857 100644
--- a/fs/udf/udfend.h
+++ b/fs/udf/udfend.h
@@ -7,75 +7,93 @@
7static inline kernel_lb_addr lelb_to_cpu(lb_addr in) 7static inline kernel_lb_addr lelb_to_cpu(lb_addr in)
8{ 8{
9 kernel_lb_addr out; 9 kernel_lb_addr out;
10
10 out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum); 11 out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
11 out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum); 12 out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
13
12 return out; 14 return out;
13} 15}
14 16
15static inline lb_addr cpu_to_lelb(kernel_lb_addr in) 17static inline lb_addr cpu_to_lelb(kernel_lb_addr in)
16{ 18{
17 lb_addr out; 19 lb_addr out;
20
18 out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum); 21 out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
19 out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum); 22 out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
23
20 return out; 24 return out;
21} 25}
22 26
23static inline kernel_timestamp lets_to_cpu(timestamp in) 27static inline kernel_timestamp lets_to_cpu(timestamp in)
24{ 28{
25 kernel_timestamp out; 29 kernel_timestamp out;
30
26 memcpy(&out, &in, sizeof(timestamp)); 31 memcpy(&out, &in, sizeof(timestamp));
27 out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone); 32 out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone);
28 out.year = le16_to_cpu(in.year); 33 out.year = le16_to_cpu(in.year);
34
29 return out; 35 return out;
30} 36}
31 37
32static inline short_ad lesa_to_cpu(short_ad in) 38static inline short_ad lesa_to_cpu(short_ad in)
33{ 39{
34 short_ad out; 40 short_ad out;
41
35 out.extLength = le32_to_cpu(in.extLength); 42 out.extLength = le32_to_cpu(in.extLength);
36 out.extPosition = le32_to_cpu(in.extPosition); 43 out.extPosition = le32_to_cpu(in.extPosition);
44
37 return out; 45 return out;
38} 46}
39 47
40static inline short_ad cpu_to_lesa(short_ad in) 48static inline short_ad cpu_to_lesa(short_ad in)
41{ 49{
42 short_ad out; 50 short_ad out;
51
43 out.extLength = cpu_to_le32(in.extLength); 52 out.extLength = cpu_to_le32(in.extLength);
44 out.extPosition = cpu_to_le32(in.extPosition); 53 out.extPosition = cpu_to_le32(in.extPosition);
54
45 return out; 55 return out;
46} 56}
47 57
48static inline kernel_long_ad lela_to_cpu(long_ad in) 58static inline kernel_long_ad lela_to_cpu(long_ad in)
49{ 59{
50 kernel_long_ad out; 60 kernel_long_ad out;
61
51 out.extLength = le32_to_cpu(in.extLength); 62 out.extLength = le32_to_cpu(in.extLength);
52 out.extLocation = lelb_to_cpu(in.extLocation); 63 out.extLocation = lelb_to_cpu(in.extLocation);
64
53 return out; 65 return out;
54} 66}
55 67
56static inline long_ad cpu_to_lela(kernel_long_ad in) 68static inline long_ad cpu_to_lela(kernel_long_ad in)
57{ 69{
58 long_ad out; 70 long_ad out;
71
59 out.extLength = cpu_to_le32(in.extLength); 72 out.extLength = cpu_to_le32(in.extLength);
60 out.extLocation = cpu_to_lelb(in.extLocation); 73 out.extLocation = cpu_to_lelb(in.extLocation);
74
61 return out; 75 return out;
62} 76}
63 77
64static inline kernel_extent_ad leea_to_cpu(extent_ad in) 78static inline kernel_extent_ad leea_to_cpu(extent_ad in)
65{ 79{
66 kernel_extent_ad out; 80 kernel_extent_ad out;
81
67 out.extLength = le32_to_cpu(in.extLength); 82 out.extLength = le32_to_cpu(in.extLength);
68 out.extLocation = le32_to_cpu(in.extLocation); 83 out.extLocation = le32_to_cpu(in.extLocation);
84
69 return out; 85 return out;
70} 86}
71 87
72static inline timestamp cpu_to_lets(kernel_timestamp in) 88static inline timestamp cpu_to_lets(kernel_timestamp in)
73{ 89{
74 timestamp out; 90 timestamp out;
91
75 memcpy(&out, &in, sizeof(timestamp)); 92 memcpy(&out, &in, sizeof(timestamp));
76 out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone); 93 out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone);
77 out.year = cpu_to_le16(in.year); 94 out.year = cpu_to_le16(in.year);
95
78 return out; 96 return out;
79} 97}
80 98
81#endif /* __UDF_ENDIAN_H */ 99#endif /* __UDF_ENDIAN_H */
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c
index b9f3198080e9..3fd80eb66af3 100644
--- a/fs/udf/udftime.c
+++ b/fs/udf/udftime.c
@@ -18,18 +18,18 @@
18 Boston, MA 02111-1307, USA. */ 18 Boston, MA 02111-1307, USA. */
19 19
20/* 20/*
21 * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time 21 * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time
22 * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is 22 * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is
23 * blf 09/27/99: ripped out all the old code and inserted new table from 23 * blf 09/27/99: ripped out all the old code and inserted new table from
24 * John Brockmeyer (without leap second corrections) 24 * John Brockmeyer (without leap second corrections)
25 * rewrote udf_stamp_to_time and fixed timezone accounting in 25 * rewrote udf_stamp_to_time and fixed timezone accounting in
26 udf_time_to_stamp. 26 * udf_time_to_stamp.
27 */ 27 */
28 28
29/* 29/*
30 * We don't take into account leap seconds. This may be correct or incorrect. 30 * We don't take into account leap seconds. This may be correct or incorrect.
31 * For more NIST information (especially dealing with leap seconds), see: 31 * For more NIST information (especially dealing with leap seconds), see:
32 * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm 32 * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm
33 */ 33 */
34 34
35#include <linux/types.h> 35#include <linux/types.h>
@@ -54,28 +54,28 @@ static const unsigned short int __mon_yday[2][13] = {
54}; 54};
55 55
56#define MAX_YEAR_SECONDS 69 56#define MAX_YEAR_SECONDS 69
57#define SPD 0x15180 /*3600*24 */ 57#define SPD 0x15180 /*3600*24 */
58#define SPY(y,l,s) (SPD * (365*y+l)+s) 58#define SPY(y,l,s) (SPD * (365*y+l)+s)
59 59
60static time_t year_seconds[MAX_YEAR_SECONDS] = { 60static time_t year_seconds[MAX_YEAR_SECONDS]= {
61/*1970*/ SPY(0, 0, 0), SPY(1, 0, 0), SPY(2, 0, 0), SPY(3, 1, 0), 61/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0),
62/*1974*/ SPY(4, 1, 0), SPY(5, 1, 0), SPY(6, 1, 0), SPY(7, 2, 0), 62/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0),
63/*1978*/ SPY(8, 2, 0), SPY(9, 2, 0), SPY(10, 2, 0), SPY(11, 3, 0), 63/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0),
64/*1982*/ SPY(12, 3, 0), SPY(13, 3, 0), SPY(14, 3, 0), SPY(15, 4, 0), 64/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0),
65/*1986*/ SPY(16, 4, 0), SPY(17, 4, 0), SPY(18, 4, 0), SPY(19, 5, 0), 65/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0),
66/*1990*/ SPY(20, 5, 0), SPY(21, 5, 0), SPY(22, 5, 0), SPY(23, 6, 0), 66/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0),
67/*1994*/ SPY(24, 6, 0), SPY(25, 6, 0), SPY(26, 6, 0), SPY(27, 7, 0), 67/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0),
68/*1998*/ SPY(28, 7, 0), SPY(29, 7, 0), SPY(30, 7, 0), SPY(31, 8, 0), 68/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0),
69/*2002*/ SPY(32, 8, 0), SPY(33, 8, 0), SPY(34, 8, 0), SPY(35, 9, 0), 69/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0),
70/*2006*/ SPY(36, 9, 0), SPY(37, 9, 0), SPY(38, 9, 0), SPY(39, 10, 0), 70/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0),
71/*2010*/ SPY(40, 10, 0), SPY(41, 10, 0), SPY(42, 10, 0), SPY(43, 11, 0), 71/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0),
72/*2014*/ SPY(44, 11, 0), SPY(45, 11, 0), SPY(46, 11, 0), SPY(47, 12, 0), 72/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0),
73/*2018*/ SPY(48, 12, 0), SPY(49, 12, 0), SPY(50, 12, 0), SPY(51, 13, 0), 73/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0),
74/*2022*/ SPY(52, 13, 0), SPY(53, 13, 0), SPY(54, 13, 0), SPY(55, 14, 0), 74/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0),
75/*2026*/ SPY(56, 14, 0), SPY(57, 14, 0), SPY(58, 14, 0), SPY(59, 15, 0), 75/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0),
76/*2030*/ SPY(60, 15, 0), SPY(61, 15, 0), SPY(62, 15, 0), SPY(63, 16, 0), 76/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0),
77/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0), 77/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0),
78/*2038*/ SPY(68, 17, 0) 78/*2038*/ SPY(68,17,0)
79}; 79};
80 80
81extern struct timezone sys_tz; 81extern struct timezone sys_tz;
@@ -83,7 +83,7 @@ extern struct timezone sys_tz;
83#define SECS_PER_HOUR (60 * 60) 83#define SECS_PER_HOUR (60 * 60)
84#define SECS_PER_DAY (SECS_PER_HOUR * 24) 84#define SECS_PER_DAY (SECS_PER_HOUR * 24)
85 85
86time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) 86time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
87{ 87{
88 int yday; 88 int yday;
89 uint8_t type = src.typeAndTimezone >> 12; 89 uint8_t type = src.typeAndTimezone >> 12;
@@ -93,10 +93,11 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src)
93 offset = src.typeAndTimezone << 4; 93 offset = src.typeAndTimezone << 4;
94 /* sign extent offset */ 94 /* sign extent offset */
95 offset = (offset >> 4); 95 offset = (offset >> 4);
96 if (offset == -2047) /* unspecified offset */ 96 if (offset == -2047) /* unspecified offset */
97 offset = 0; 97 offset = 0;
98 } else 98 } else {
99 offset = 0; 99 offset = 0;
100 }
100 101
101 if ((src.year < EPOCH_YEAR) || 102 if ((src.year < EPOCH_YEAR) ||
102 (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { 103 (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) {
@@ -107,12 +108,10 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src)
107 *dest = year_seconds[src.year - EPOCH_YEAR]; 108 *dest = year_seconds[src.year - EPOCH_YEAR];
108 *dest -= offset * 60; 109 *dest -= offset * 60;
109 110
110 yday = ((__mon_yday[__isleap(src.year)] 111 yday = ((__mon_yday[__isleap (src.year)]
111 [src.month - 1]) + (src.day - 1)); 112 [src.month - 1]) + (src.day - 1));
112 *dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; 113 *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second;
113 *dest_usec = 114 *dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds;
114 src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 +
115 src.microseconds;
116 return dest; 115 return dest;
117} 116}
118 117
@@ -145,8 +144,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
145 long int yg = y + days / 365 - (days % 365 < 0); 144 long int yg = y + days / 365 - (days % 365 < 0);
146 145
147 /* Adjust DAYS and Y to match the guessed year. */ 146 /* Adjust DAYS and Y to match the guessed year. */
148 days -= ((yg - y) * 365 + LEAPS_THRU_END_OF(yg - 1) 147 days -= ((yg - y) * 365
149 - LEAPS_THRU_END_OF(y - 1)); 148 + LEAPS_THRU_END_OF (yg - 1)
149 - LEAPS_THRU_END_OF (y - 1));
150 y = yg; 150 y = yg;
151 } 151 }
152 dest->year = y; 152 dest->year = y;
@@ -158,11 +158,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
158 dest->day = days + 1; 158 dest->day = days + 1;
159 159
160 dest->centiseconds = ts.tv_nsec / 10000000; 160 dest->centiseconds = ts.tv_nsec / 10000000;
161 dest->hundredsOfMicroseconds = 161 dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100;
162 (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; 162 dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
163 dest->microseconds = 163 dest->hundredsOfMicroseconds * 100);
164 (ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
165 dest->hundredsOfMicroseconds * 100);
166 return dest; 164 return dest;
167} 165}
168 166
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 46835240275c..9e6099c26c27 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -29,21 +29,23 @@
29 29
30static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int); 30static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
31 31
32static int udf_char_to_ustr(struct ustr *dest, const uint8_t * src, int strlen) 32static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
33{ 33{
34 if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2)) 34 if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2))
35 return 0; 35 return 0;
36
36 memset(dest, 0, sizeof(struct ustr)); 37 memset(dest, 0, sizeof(struct ustr));
37 memcpy(dest->u_name, src, strlen); 38 memcpy(dest->u_name, src, strlen);
38 dest->u_cmpID = 0x08; 39 dest->u_cmpID = 0x08;
39 dest->u_len = strlen; 40 dest->u_len = strlen;
41
40 return strlen; 42 return strlen;
41} 43}
42 44
43/* 45/*
44 * udf_build_ustr 46 * udf_build_ustr
45 */ 47 */
46int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) 48int udf_build_ustr(struct ustr *dest, dstring *ptr, int size)
47{ 49{
48 int usesize; 50 int usesize;
49 51
@@ -55,13 +57,14 @@ int udf_build_ustr(struct ustr *dest, dstring * ptr, int size)
55 dest->u_cmpID = ptr[0]; 57 dest->u_cmpID = ptr[0];
56 dest->u_len = ptr[size - 1]; 58 dest->u_len = ptr[size - 1];
57 memcpy(dest->u_name, ptr + 1, usesize - 1); 59 memcpy(dest->u_name, ptr + 1, usesize - 1);
60
58 return 0; 61 return 0;
59} 62}
60 63
61/* 64/*
62 * udf_build_ustr_exact 65 * udf_build_ustr_exact
63 */ 66 */
64static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) 67static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize)
65{ 68{
66 if ((!dest) || (!ptr) || (!exactsize)) 69 if ((!dest) || (!ptr) || (!exactsize))
67 return -1; 70 return -1;
@@ -70,6 +73,7 @@ static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize)
70 dest->u_cmpID = ptr[0]; 73 dest->u_cmpID = ptr[0];
71 dest->u_len = exactsize - 1; 74 dest->u_len = exactsize - 1;
72 memcpy(dest->u_name, ptr + 1, exactsize - 1); 75 memcpy(dest->u_name, ptr + 1, exactsize - 1);
76
73 return 0; 77 return 0;
74} 78}
75 79
@@ -129,20 +133,15 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
129 c = (c << 8) | ocu[i++]; 133 c = (c << 8) | ocu[i++];
130 134
131 /* Compress Unicode to UTF-8 */ 135 /* Compress Unicode to UTF-8 */
132 if (c < 0x80U) 136 if (c < 0x80U) {
133 utf_o->u_name[utf_o->u_len++] = (uint8_t) c; 137 utf_o->u_name[utf_o->u_len++] = (uint8_t)c;
134 else if (c < 0x800U) { 138 } else if (c < 0x800U) {
135 utf_o->u_name[utf_o->u_len++] = 139 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6));
136 (uint8_t) (0xc0 | (c >> 6)); 140 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
137 utf_o->u_name[utf_o->u_len++] =
138 (uint8_t) (0x80 | (c & 0x3f));
139 } else { 141 } else {
140 utf_o->u_name[utf_o->u_len++] = 142 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12));
141 (uint8_t) (0xe0 | (c >> 12)); 143 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f));
142 utf_o->u_name[utf_o->u_len++] = 144 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
143 (uint8_t) (0x80 | ((c >> 6) & 0x3f));
144 utf_o->u_name[utf_o->u_len++] =
145 (uint8_t) (0x80 | (c & 0x3f));
146 } 145 }
147 } 146 }
148 utf_o->u_cmpID = 8; 147 utf_o->u_cmpID = 8;
@@ -173,7 +172,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
173 * November 12, 1997 - Andrew E. Mileski 172 * November 12, 1997 - Andrew E. Mileski
174 * Written, tested, and released. 173 * Written, tested, and released.
175 */ 174 */
176static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) 175static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length)
177{ 176{
178 unsigned c, i, max_val, utf_char; 177 unsigned c, i, max_val, utf_char;
179 int utf_cnt, u_len; 178 int utf_cnt, u_len;
@@ -182,12 +181,12 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length)
182 ocu[0] = 8; 181 ocu[0] = 8;
183 max_val = 0xffU; 182 max_val = 0xffU;
184 183
185 try_again: 184try_again:
186 u_len = 0U; 185 u_len = 0U;
187 utf_char = 0U; 186 utf_char = 0U;
188 utf_cnt = 0U; 187 utf_cnt = 0U;
189 for (i = 0U; i < utf->u_len; i++) { 188 for (i = 0U; i < utf->u_len; i++) {
190 c = (uint8_t) utf->u_name[i]; 189 c = (uint8_t)utf->u_name[i];
191 190
192 /* Complete a multi-byte UTF-8 character */ 191 /* Complete a multi-byte UTF-8 character */
193 if (utf_cnt) { 192 if (utf_cnt) {
@@ -213,37 +212,40 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length)
213 } else if ((c & 0xfeU) == 0xfcU) { 212 } else if ((c & 0xfeU) == 0xfcU) {
214 utf_char = c & 0x01U; 213 utf_char = c & 0x01U;
215 utf_cnt = 5; 214 utf_cnt = 5;
216 } else 215 } else {
217 goto error_out; 216 goto error_out;
217 }
218 continue; 218 continue;
219 } else 219 } else {
220 /* Single byte UTF-8 character (most common) */ 220 /* Single byte UTF-8 character (most common) */
221 utf_char = c; 221 utf_char = c;
222 }
222 } 223 }
223 224
224 /* Choose no compression if necessary */ 225 /* Choose no compression if necessary */
225 if (utf_char > max_val) { 226 if (utf_char > max_val) {
226 if (0xffU == max_val) { 227 if (max_val == 0xffU) {
227 max_val = 0xffffU; 228 max_val = 0xffffU;
228 ocu[0] = (uint8_t) 0x10U; 229 ocu[0] = (uint8_t)0x10U;
229 goto try_again; 230 goto try_again;
230 } 231 }
231 goto error_out; 232 goto error_out;
232 } 233 }
233 234
234 if (max_val == 0xffffU) { 235 if (max_val == 0xffffU) {
235 ocu[++u_len] = (uint8_t) (utf_char >> 8); 236 ocu[++u_len] = (uint8_t)(utf_char >> 8);
236 } 237 }
237 ocu[++u_len] = (uint8_t) (utf_char & 0xffU); 238 ocu[++u_len] = (uint8_t)(utf_char & 0xffU);
238 } 239 }
239 240
240 if (utf_cnt) { 241 if (utf_cnt) {
241 error_out: 242error_out:
242 ocu[++u_len] = '?'; 243 ocu[++u_len] = '?';
243 printk(KERN_DEBUG "udf: bad UTF-8 character\n"); 244 printk(KERN_DEBUG "udf: bad UTF-8 character\n");
244 } 245 }
245 246
246 ocu[length - 1] = (uint8_t) u_len + 1; 247 ocu[length - 1] = (uint8_t)u_len + 1;
248
247 return u_len + 1; 249 return u_len + 1;
248} 250}
249 251
@@ -288,7 +290,7 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o,
288 return utf_o->u_len; 290 return utf_o->u_len;
289} 291}
290 292
291static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, 293static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni,
292 int length) 294 int length)
293{ 295{
294 unsigned len, i, max_val; 296 unsigned len, i, max_val;
@@ -299,7 +301,7 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni,
299 ocu[0] = 8; 301 ocu[0] = 8;
300 max_val = 0xffU; 302 max_val = 0xffU;
301 303
302 try_again: 304try_again:
303 u_len = 0U; 305 u_len = 0U;
304 for (i = 0U; i < uni->u_len; i++) { 306 for (i = 0U; i < uni->u_len; i++) {
305 len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char); 307 len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char);
@@ -308,21 +310,21 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni,
308 310
309 if (uni_char > max_val) { 311 if (uni_char > max_val) {
310 max_val = 0xffffU; 312 max_val = 0xffffU;
311 ocu[0] = (uint8_t) 0x10U; 313 ocu[0] = (uint8_t)0x10U;
312 goto try_again; 314 goto try_again;
313 } 315 }
314 316
315 if (max_val == 0xffffU) 317 if (max_val == 0xffffU)
316 ocu[++u_len] = (uint8_t) (uni_char >> 8); 318 ocu[++u_len] = (uint8_t)(uni_char >> 8);
317 ocu[++u_len] = (uint8_t) (uni_char & 0xffU); 319 ocu[++u_len] = (uint8_t)(uni_char & 0xffU);
318 i += len - 1; 320 i += len - 1;
319 } 321 }
320 322
321 ocu[length - 1] = (uint8_t) u_len + 1; 323 ocu[length - 1] = (uint8_t)u_len + 1;
322 return u_len + 1; 324 return u_len + 1;
323} 325}
324 326
325int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, 327int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
326 int flen) 328 int flen)
327{ 329{
328 struct ustr filename, unifilename; 330 struct ustr filename, unifilename;
@@ -334,30 +336,29 @@ int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname,
334 336
335 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { 337 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
336 if (!udf_CS0toUTF8(&filename, &unifilename)) { 338 if (!udf_CS0toUTF8(&filename, &unifilename)) {
337 udf_debug("Failed in udf_get_filename: sname = %s\n", 339 udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
338 sname);
339 return 0; 340 return 0;
340 } 341 }
341 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { 342 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
342 if (!udf_CS0toNLS 343 if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) {
343 (UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { 344 udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
344 udf_debug("Failed in udf_get_filename: sname = %s\n",
345 sname);
346 return 0; 345 return 0;
347 } 346 }
348 } else 347 } else {
349 return 0; 348 return 0;
349 }
350 350
351 if ((len = 351 len = udf_translate_to_linux(dname, filename.u_name, filename.u_len,
352 udf_translate_to_linux(dname, filename.u_name, filename.u_len, 352 unifilename.u_name, unifilename.u_len);
353 unifilename.u_name, unifilename.u_len))) { 353 if (len) {
354 return len; 354 return len;
355 } 355 }
356
356 return 0; 357 return 0;
357} 358}
358 359
359int udf_put_filename(struct super_block *sb, const uint8_t * sname, 360int udf_put_filename(struct super_block *sb, const uint8_t *sname,
360 uint8_t * dname, int flen) 361 uint8_t *dname, int flen)
361{ 362{
362 struct ustr unifilename; 363 struct ustr unifilename;
363 int namelen; 364 int namelen;
@@ -367,31 +368,29 @@ int udf_put_filename(struct super_block *sb, const uint8_t * sname,
367 } 368 }
368 369
369 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { 370 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
370 if (! 371 namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN);
371 (namelen = 372 if (!namelen) {
372 udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN))) {
373 return 0; 373 return 0;
374 } 374 }
375 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { 375 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
376 if (! 376 namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN);
377 (namelen = 377 if (!namelen) {
378 udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename,
379 UDF_NAME_LEN))) {
380 return 0; 378 return 0;
381 } 379 }
382 } else 380 } else {
383 return 0; 381 return 0;
382 }
384 383
385 return namelen; 384 return namelen;
386} 385}
387 386
388#define ILLEGAL_CHAR_MARK '_' 387#define ILLEGAL_CHAR_MARK '_'
389#define EXT_MARK '.' 388#define EXT_MARK '.'
390#define CRC_MARK '#' 389#define CRC_MARK '#'
391#define EXT_SIZE 5 390#define EXT_SIZE 5
392 391
393static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, 392static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen,
394 int udfLen, uint8_t * fidName, int fidNameLen) 393 uint8_t *fidName, int fidNameLen)
395{ 394{
396 int index, newIndex = 0, needsCRC = 0; 395 int index, newIndex = 0, needsCRC = 0;
397 int extIndex = 0, newExtIndex = 0, hasExt = 0; 396 int extIndex = 0, newExtIndex = 0, hasExt = 0;
@@ -399,8 +398,8 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
399 uint8_t curr; 398 uint8_t curr;
400 const uint8_t hexChar[] = "0123456789ABCDEF"; 399 const uint8_t hexChar[] = "0123456789ABCDEF";
401 400
402 if (udfName[0] == '.' && (udfLen == 1 || 401 if (udfName[0] == '.' &&
403 (udfLen == 2 && udfName[1] == '.'))) { 402 (udfLen == 1 || (udfLen == 2 && udfName[1] == '.'))) {
404 needsCRC = 1; 403 needsCRC = 1;
405 newIndex = udfLen; 404 newIndex = udfLen;
406 memcpy(newName, udfName, udfLen); 405 memcpy(newName, udfName, udfLen);
@@ -410,16 +409,13 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
410 if (curr == '/' || curr == 0) { 409 if (curr == '/' || curr == 0) {
411 needsCRC = 1; 410 needsCRC = 1;
412 curr = ILLEGAL_CHAR_MARK; 411 curr = ILLEGAL_CHAR_MARK;
413 while (index + 1 < udfLen 412 while (index + 1 < udfLen && (udfName[index + 1] == '/' ||
414 && (udfName[index + 1] == '/' 413 udfName[index + 1] == 0))
415 || udfName[index + 1] == 0))
416 index++; 414 index++;
417 } 415 } if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) {
418 if (curr == EXT_MARK 416 if (udfLen == index + 1) {
419 && (udfLen - index - 1) <= EXT_SIZE) {
420 if (udfLen == index + 1)
421 hasExt = 0; 417 hasExt = 0;
422 else { 418 } else {
423 hasExt = 1; 419 hasExt = 1;
424 extIndex = index; 420 extIndex = index;
425 newExtIndex = newIndex; 421 newExtIndex = newIndex;
@@ -437,23 +433,16 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
437 433
438 if (hasExt) { 434 if (hasExt) {
439 int maxFilenameLen; 435 int maxFilenameLen;
440 for (index = 0; 436 for(index = 0; index < EXT_SIZE && extIndex + index + 1 < udfLen; index++) {
441 index < EXT_SIZE && extIndex + index + 1 < udfLen;
442 index++) {
443 curr = udfName[extIndex + index + 1]; 437 curr = udfName[extIndex + index + 1];
444 438
445 if (curr == '/' || curr == 0) { 439 if (curr == '/' || curr == 0) {
446 needsCRC = 1; 440 needsCRC = 1;
447 curr = ILLEGAL_CHAR_MARK; 441 curr = ILLEGAL_CHAR_MARK;
448 while (extIndex + index + 2 < udfLen 442 while(extIndex + index + 2 < udfLen &&
449 && (index + 1 < EXT_SIZE 443 (index + 1 < EXT_SIZE
450 && 444 && (udfName[extIndex + index + 2] == '/' ||
451 (udfName 445 udfName[extIndex + index + 2] == 0)))
452 [extIndex + index + 2] ==
453 '/'
454 || udfName[extIndex +
455 index + 2] ==
456 0)))
457 index++; 446 index++;
458 } 447 }
459 ext[localExtIndex++] = curr; 448 ext[localExtIndex++] = curr;
@@ -463,8 +452,9 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
463 newIndex = maxFilenameLen; 452 newIndex = maxFilenameLen;
464 else 453 else
465 newIndex = newExtIndex; 454 newIndex = newExtIndex;
466 } else if (newIndex > 250) 455 } else if (newIndex > 250) {
467 newIndex = 250; 456 newIndex = 250;
457 }
468 newName[newIndex++] = CRC_MARK; 458 newName[newIndex++] = CRC_MARK;
469 valueCRC = udf_crc(fidName, fidNameLen, 0); 459 valueCRC = udf_crc(fidName, fidNameLen, 0);
470 newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; 460 newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
@@ -478,5 +468,6 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
478 newName[newIndex++] = ext[index]; 468 newName[newIndex++] = ext[index];
479 } 469 }
480 } 470 }
471
481 return newIndex; 472 return newIndex;
482} 473}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-13 19:10:07 -0500