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-rw-r--r--fs/udf/balloc.c231
-rw-r--r--fs/udf/crc.c2
-rw-r--r--fs/udf/directory.c80
-rw-r--r--fs/udf/file.c18
-rw-r--r--fs/udf/ialloc.c24
-rw-r--r--fs/udf/inode.c665
-rw-r--r--fs/udf/misc.c76
-rw-r--r--fs/udf/namei.c298
-rw-r--r--fs/udf/partition.c160
-rw-r--r--fs/udf/super.c377
-rw-r--r--fs/udf/symlink.c3
-rw-r--r--fs/udf/truncate.c58
-rw-r--r--fs/udf/udftime.c59
-rw-r--r--fs/udf/unicode.c85
14 files changed, 1306 insertions, 830 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 3f67d9dc8631..dc9f8a96b6e4 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -28,15 +28,16 @@
28#include "udf_i.h" 28#include "udf_i.h"
29#include "udf_sb.h" 29#include "udf_sb.h"
30 30
31#define udf_clear_bit(nr,addr) ext2_clear_bit(nr,addr) 31#define udf_clear_bit(nr, addr) ext2_clear_bit(nr, addr)
32#define udf_set_bit(nr,addr) ext2_set_bit(nr,addr) 32#define udf_set_bit(nr, addr) ext2_set_bit(nr, addr)
33#define udf_test_bit(nr, addr) ext2_test_bit(nr, addr) 33#define udf_test_bit(nr, addr) ext2_test_bit(nr, addr)
34#define udf_find_first_one_bit(addr, size) find_first_one_bit(addr, size) 34#define udf_find_first_one_bit(addr, size) find_first_one_bit(addr, size)
35#define udf_find_next_one_bit(addr, size, offset) find_next_one_bit(addr, size, offset) 35#define udf_find_next_one_bit(addr, size, offset) \
36 find_next_one_bit(addr, size, offset)
36 37
37#define leBPL_to_cpup(x) leNUM_to_cpup(BITS_PER_LONG, x) 38#define leBPL_to_cpup(x) leNUM_to_cpup(BITS_PER_LONG, x)
38#define leNUM_to_cpup(x,y) xleNUM_to_cpup(x,y) 39#define leNUM_to_cpup(x, y) xleNUM_to_cpup(x, y)
39#define xleNUM_to_cpup(x,y) (le ## x ## _to_cpup(y)) 40#define xleNUM_to_cpup(x, y) (le ## x ## _to_cpup(y))
40#define uintBPL_t uint(BITS_PER_LONG) 41#define uintBPL_t uint(BITS_PER_LONG)
41#define uint(x) xuint(x) 42#define uint(x) xuint(x)
42#define xuint(x) __le ## x 43#define xuint(x) __le ## x
@@ -62,7 +63,8 @@ static inline int find_next_one_bit(void *addr, int size, int offset)
62 result += BITS_PER_LONG; 63 result += BITS_PER_LONG;
63 } 64 }
64 while (size & ~(BITS_PER_LONG - 1)) { 65 while (size & ~(BITS_PER_LONG - 1)) {
65 if ((tmp = leBPL_to_cpup(p++))) 66 tmp = leBPL_to_cpup(p++);
67 if (tmp)
66 goto found_middle; 68 goto found_middle;
67 result += BITS_PER_LONG; 69 result += BITS_PER_LONG;
68 size -= BITS_PER_LONG; 70 size -= BITS_PER_LONG;
@@ -91,9 +93,9 @@ static int read_block_bitmap(struct super_block *sb,
91 loc.partitionReferenceNum = UDF_SB(sb)->s_partition; 93 loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
92 94
93 bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block)); 95 bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block));
94 if (!bh) { 96 if (!bh)
95 retval = -EIO; 97 retval = -EIO;
96 } 98
97 bitmap->s_block_bitmap[bitmap_nr] = bh; 99 bitmap->s_block_bitmap[bitmap_nr] = bh;
98 return retval; 100 return retval;
99} 101}
@@ -155,14 +157,17 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
155 157
156 mutex_lock(&sbi->s_alloc_mutex); 158 mutex_lock(&sbi->s_alloc_mutex);
157 if (bloc.logicalBlockNum < 0 || 159 if (bloc.logicalBlockNum < 0 ||
158 (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { 160 (bloc.logicalBlockNum + count) >
161 sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) {
159 udf_debug("%d < %d || %d + %d > %d\n", 162 udf_debug("%d < %d || %d + %d > %d\n",
160 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, 163 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
161 sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len); 164 sbi->s_partmaps[bloc.partitionReferenceNum].
165 s_partition_len);
162 goto error_return; 166 goto error_return;
163 } 167 }
164 168
165 block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); 169 block = bloc.logicalBlockNum + offset +
170 (sizeof(struct spaceBitmapDesc) << 3);
166 171
167do_more: 172do_more:
168 overflow = 0; 173 overflow = 0;
@@ -184,7 +189,8 @@ do_more:
184 for (i = 0; i < count; i++) { 189 for (i = 0; i < count; i++) {
185 if (udf_set_bit(bit + i, bh->b_data)) { 190 if (udf_set_bit(bit + i, bh->b_data)) {
186 udf_debug("bit %ld already set\n", bit + i); 191 udf_debug("bit %ld already set\n", bit + i);
187 udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]); 192 udf_debug("byte=%2x\n",
193 ((char *)bh->b_data)[(bit + i) >> 3]);
188 } else { 194 } else {
189 if (inode) 195 if (inode)
190 DQUOT_FREE_BLOCK(inode, 1); 196 DQUOT_FREE_BLOCK(inode, 1);
@@ -314,14 +320,16 @@ repeat:
314 if (bit < end_goal) 320 if (bit < end_goal)
315 goto got_block; 321 goto got_block;
316 322
317 ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3)); 323 ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF,
324 sb->s_blocksize - ((bit + 7) >> 3));
318 newbit = (ptr - ((char *)bh->b_data)) << 3; 325 newbit = (ptr - ((char *)bh->b_data)) << 3;
319 if (newbit < sb->s_blocksize << 3) { 326 if (newbit < sb->s_blocksize << 3) {
320 bit = newbit; 327 bit = newbit;
321 goto search_back; 328 goto search_back;
322 } 329 }
323 330
324 newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit); 331 newbit = udf_find_next_one_bit(bh->b_data,
332 sb->s_blocksize << 3, bit);
325 if (newbit < sb->s_blocksize << 3) { 333 if (newbit < sb->s_blocksize << 3) {
326 bit = newbit; 334 bit = newbit;
327 goto got_block; 335 goto got_block;
@@ -360,15 +368,20 @@ repeat:
360 if (bit < sb->s_blocksize << 3) 368 if (bit < sb->s_blocksize << 3)
361 goto search_back; 369 goto search_back;
362 else 370 else
363 bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3); 371 bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3,
372 group_start << 3);
364 if (bit >= sb->s_blocksize << 3) { 373 if (bit >= sb->s_blocksize << 3) {
365 mutex_unlock(&sbi->s_alloc_mutex); 374 mutex_unlock(&sbi->s_alloc_mutex);
366 return 0; 375 return 0;
367 } 376 }
368 377
369search_back: 378search_back:
370 for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--) 379 i = 0;
371 ; /* empty loop */ 380 while (i < 7 && bit > (group_start << 3) &&
381 udf_test_bit(bit - 1, bh->b_data)) {
382 ++i;
383 --bit;
384 }
372 385
373got_block: 386got_block:
374 387
@@ -424,15 +437,17 @@ static void udf_table_free_blocks(struct super_block *sb,
424 437
425 mutex_lock(&sbi->s_alloc_mutex); 438 mutex_lock(&sbi->s_alloc_mutex);
426 if (bloc.logicalBlockNum < 0 || 439 if (bloc.logicalBlockNum < 0 ||
427 (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { 440 (bloc.logicalBlockNum + count) >
441 sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) {
428 udf_debug("%d < %d || %d + %d > %d\n", 442 udf_debug("%d < %d || %d + %d > %d\n",
429 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, 443 bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
430 sbi->s_partmaps[bloc.partitionReferenceNum]->s_partition_len); 444 sbi->s_partmaps[bloc.partitionReferenceNum].
445 s_partition_len);
431 goto error_return; 446 goto error_return;
432 } 447 }
433 448
434 /* We do this up front - There are some error conditions that could occure, 449 /* We do this up front - There are some error conditions that
435 but.. oh well */ 450 could occure, but.. oh well */
436 if (inode) 451 if (inode)
437 DQUOT_FREE_BLOCK(inode, count); 452 DQUOT_FREE_BLOCK(inode, count);
438 if (sbi->s_lvid_bh) { 453 if (sbi->s_lvid_bh) {
@@ -452,26 +467,39 @@ static void udf_table_free_blocks(struct super_block *sb,
452 467
453 while (count && 468 while (count &&
454 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { 469 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
455 if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) { 470 if (((eloc.logicalBlockNum +
456 if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { 471 (elen >> sb->s_blocksize_bits)) == start)) {
457 count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); 472 if ((0x3FFFFFFF - elen) <
458 start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); 473 (count << sb->s_blocksize_bits)) {
459 elen = (etype << 30) | (0x40000000 - sb->s_blocksize); 474 uint32_t tmp = ((0x3FFFFFFF - elen) >>
475 sb->s_blocksize_bits);
476 count -= tmp;
477 start += tmp;
478 elen = (etype << 30) |
479 (0x40000000 - sb->s_blocksize);
460 } else { 480 } else {
461 elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); 481 elen = (etype << 30) |
482 (elen +
483 (count << sb->s_blocksize_bits));
462 start += count; 484 start += count;
463 count = 0; 485 count = 0;
464 } 486 }
465 udf_write_aext(table, &oepos, eloc, elen, 1); 487 udf_write_aext(table, &oepos, eloc, elen, 1);
466 } else if (eloc.logicalBlockNum == (end + 1)) { 488 } else if (eloc.logicalBlockNum == (end + 1)) {
467 if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { 489 if ((0x3FFFFFFF - elen) <
468 count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); 490 (count << sb->s_blocksize_bits)) {
469 end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); 491 uint32_t tmp = ((0x3FFFFFFF - elen) >>
470 eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); 492 sb->s_blocksize_bits);
471 elen = (etype << 30) | (0x40000000 - sb->s_blocksize); 493 count -= tmp;
494 end -= tmp;
495 eloc.logicalBlockNum -= tmp;
496 elen = (etype << 30) |
497 (0x40000000 - sb->s_blocksize);
472 } else { 498 } else {
473 eloc.logicalBlockNum = start; 499 eloc.logicalBlockNum = start;
474 elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); 500 elen = (etype << 30) |
501 (elen +
502 (count << sb->s_blocksize_bits));
475 end -= count; 503 end -= count;
476 count = 0; 504 count = 0;
477 } 505 }
@@ -492,9 +520,9 @@ static void udf_table_free_blocks(struct super_block *sb,
492 520
493 if (count) { 521 if (count) {
494 /* 522 /*
495 * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate 523 * NOTE: we CANNOT use udf_add_aext here, as it can try to
496 * a new block, and since we hold the super block lock already 524 * allocate a new block, and since we hold the super block
497 * very bad things would happen :) 525 * lock already very bad things would happen :)
498 * 526 *
499 * We copy the behavior of udf_add_aext, but instead of 527 * We copy the behavior of udf_add_aext, but instead of
500 * trying to allocate a new block close to the existing one, 528 * trying to allocate a new block close to the existing one,
@@ -535,27 +563,35 @@ static void udf_table_free_blocks(struct super_block *sb,
535 eloc.logicalBlockNum++; 563 eloc.logicalBlockNum++;
536 elen -= sb->s_blocksize; 564 elen -= sb->s_blocksize;
537 565
538 if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) { 566 epos.bh = udf_tread(sb,
567 udf_get_lb_pblock(sb, epos.block, 0));
568 if (!epos.bh) {
539 brelse(oepos.bh); 569 brelse(oepos.bh);
540 goto error_return; 570 goto error_return;
541 } 571 }
542 aed = (struct allocExtDesc *)(epos.bh->b_data); 572 aed = (struct allocExtDesc *)(epos.bh->b_data);
543 aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); 573 aed->previousAllocExtLocation =
574 cpu_to_le32(oepos.block.logicalBlockNum);
544 if (epos.offset + adsize > sb->s_blocksize) { 575 if (epos.offset + adsize > sb->s_blocksize) {
545 loffset = epos.offset; 576 loffset = epos.offset;
546 aed->lengthAllocDescs = cpu_to_le32(adsize); 577 aed->lengthAllocDescs = cpu_to_le32(adsize);
547 sptr = UDF_I_DATA(table) + epos.offset - adsize; 578 sptr = UDF_I_DATA(table) + epos.offset - adsize;
548 dptr = epos.bh->b_data + sizeof(struct allocExtDesc); 579 dptr = epos.bh->b_data +
580 sizeof(struct allocExtDesc);
549 memcpy(dptr, sptr, adsize); 581 memcpy(dptr, sptr, adsize);
550 epos.offset = sizeof(struct allocExtDesc) + adsize; 582 epos.offset = sizeof(struct allocExtDesc) +
583 adsize;
551 } else { 584 } else {
552 loffset = epos.offset + adsize; 585 loffset = epos.offset + adsize;
553 aed->lengthAllocDescs = cpu_to_le32(0); 586 aed->lengthAllocDescs = cpu_to_le32(0);
554 if (oepos.bh) { 587 if (oepos.bh) {
555 sptr = oepos.bh->b_data + epos.offset; 588 sptr = oepos.bh->b_data + epos.offset;
556 aed = (struct allocExtDesc *)oepos.bh->b_data; 589 aed = (struct allocExtDesc *)
590 oepos.bh->b_data;
557 aed->lengthAllocDescs = 591 aed->lengthAllocDescs =
558 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); 592 cpu_to_le32(le32_to_cpu(
593 aed->lengthAllocDescs) +
594 adsize);
559 } else { 595 } else {
560 sptr = UDF_I_DATA(table) + epos.offset; 596 sptr = UDF_I_DATA(table) + epos.offset;
561 UDF_I_LENALLOC(table) += adsize; 597 UDF_I_LENALLOC(table) += adsize;
@@ -564,27 +600,31 @@ static void udf_table_free_blocks(struct super_block *sb,
564 epos.offset = sizeof(struct allocExtDesc); 600 epos.offset = sizeof(struct allocExtDesc);
565 } 601 }
566 if (sbi->s_udfrev >= 0x0200) 602 if (sbi->s_udfrev >= 0x0200)
567 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, 603 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED,
568 epos.block.logicalBlockNum, sizeof(tag)); 604 3, 1, epos.block.logicalBlockNum,
605 sizeof(tag));
569 else 606 else
570 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, 607 udf_new_tag(epos.bh->b_data, TAG_IDENT_AED,
571 epos.block.logicalBlockNum, sizeof(tag)); 608 2, 1, epos.block.logicalBlockNum,
609 sizeof(tag));
572 610
573 switch (UDF_I_ALLOCTYPE(table)) { 611 switch (UDF_I_ALLOCTYPE(table)) {
574 case ICBTAG_FLAG_AD_SHORT: 612 case ICBTAG_FLAG_AD_SHORT:
575 sad = (short_ad *)sptr; 613 sad = (short_ad *)sptr;
576 sad->extLength = cpu_to_le32( 614 sad->extLength = cpu_to_le32(
577 EXT_NEXT_EXTENT_ALLOCDECS | 615 EXT_NEXT_EXTENT_ALLOCDECS |
578 sb->s_blocksize); 616 sb->s_blocksize);
579 sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); 617 sad->extPosition =
580 break; 618 cpu_to_le32(epos.block.logicalBlockNum);
581 case ICBTAG_FLAG_AD_LONG: 619 break;
582 lad = (long_ad *)sptr; 620 case ICBTAG_FLAG_AD_LONG:
583 lad->extLength = cpu_to_le32( 621 lad = (long_ad *)sptr;
584 EXT_NEXT_EXTENT_ALLOCDECS | 622 lad->extLength = cpu_to_le32(
585 sb->s_blocksize); 623 EXT_NEXT_EXTENT_ALLOCDECS |
586 lad->extLocation = cpu_to_lelb(epos.block); 624 sb->s_blocksize);
587 break; 625 lad->extLocation =
626 cpu_to_lelb(epos.block);
627 break;
588 } 628 }
589 if (oepos.bh) { 629 if (oepos.bh) {
590 udf_update_tag(oepos.bh->b_data, loffset); 630 udf_update_tag(oepos.bh->b_data, loffset);
@@ -594,7 +634,8 @@ static void udf_table_free_blocks(struct super_block *sb,
594 } 634 }
595 } 635 }
596 636
597 if (elen) { /* It's possible that stealing the block emptied the extent */ 637 /* It's possible that stealing the block emptied the extent */
638 if (elen) {
598 udf_write_aext(table, &epos, eloc, elen, 1); 639 udf_write_aext(table, &epos, eloc, elen, 1);
599 640
600 if (!epos.bh) { 641 if (!epos.bh) {
@@ -603,7 +644,8 @@ static void udf_table_free_blocks(struct super_block *sb,
603 } else { 644 } else {
604 aed = (struct allocExtDesc *)epos.bh->b_data; 645 aed = (struct allocExtDesc *)epos.bh->b_data;
605 aed->lengthAllocDescs = 646 aed->lengthAllocDescs =
606 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); 647 cpu_to_le32(le32_to_cpu(
648 aed->lengthAllocDescs) + adsize);
607 udf_update_tag(epos.bh->b_data, epos.offset); 649 udf_update_tag(epos.bh->b_data, epos.offset);
608 mark_buffer_dirty(epos.bh); 650 mark_buffer_dirty(epos.bh);
609 } 651 }
@@ -631,7 +673,8 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
631 struct extent_position epos; 673 struct extent_position epos;
632 int8_t etype = -1; 674 int8_t etype = -1;
633 675
634 if (first_block < 0 || first_block >= sbi->s_partmaps[partition].s_partition_len) 676 if (first_block < 0 ||
677 first_block >= sbi->s_partmaps[partition].s_partition_len)
635 return 0; 678 return 0;
636 679
637 if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) 680 if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT)
@@ -658,16 +701,18 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
658 epos.offset -= adsize; 701 epos.offset -= adsize;
659 702
660 alloc_count = (elen >> sb->s_blocksize_bits); 703 alloc_count = (elen >> sb->s_blocksize_bits);
661 if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) { 704 if (inode && DQUOT_PREALLOC_BLOCK(inode,
705 alloc_count > block_count ? block_count : alloc_count))
662 alloc_count = 0; 706 alloc_count = 0;
663 } else if (alloc_count > block_count) { 707 else if (alloc_count > block_count) {
664 alloc_count = block_count; 708 alloc_count = block_count;
665 eloc.logicalBlockNum += alloc_count; 709 eloc.logicalBlockNum += alloc_count;
666 elen -= (alloc_count << sb->s_blocksize_bits); 710 elen -= (alloc_count << sb->s_blocksize_bits);
667 udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); 711 udf_write_aext(table, &epos, eloc,
668 } else { 712 (etype << 30) | elen, 1);
669 udf_delete_aext(table, epos, eloc, (etype << 30) | elen); 713 } else
670 } 714 udf_delete_aext(table, epos, eloc,
715 (etype << 30) | elen);
671 } else { 716 } else {
672 alloc_count = 0; 717 alloc_count = 0;
673 } 718 }
@@ -711,10 +756,10 @@ static int udf_table_new_block(struct super_block *sb,
711 if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) 756 if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len)
712 goal = 0; 757 goal = 0;
713 758
714 /* We search for the closest matching block to goal. If we find a exact hit, 759 /* We search for the closest matching block to goal. If we find
715 we stop. Otherwise we keep going till we run out of extents. 760 a exact hit, we stop. Otherwise we keep going till we run out
716 We store the buffer_head, bloc, and extoffset of the current closest 761 of extents. We store the buffer_head, bloc, and extoffset
717 match and use that when we are done. 762 of the current closest match and use that when we are done.
718 */ 763 */
719 epos.offset = sizeof(struct unallocSpaceEntry); 764 epos.offset = sizeof(struct unallocSpaceEntry);
720 epos.block = UDF_I_LOCATION(table); 765 epos.block = UDF_I_LOCATION(table);
@@ -723,7 +768,8 @@ static int udf_table_new_block(struct super_block *sb,
723 while (spread && 768 while (spread &&
724 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { 769 (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
725 if (goal >= eloc.logicalBlockNum) { 770 if (goal >= eloc.logicalBlockNum) {
726 if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) 771 if (goal < eloc.logicalBlockNum +
772 (elen >> sb->s_blocksize_bits))
727 nspread = 0; 773 nspread = 0;
728 else 774 else
729 nspread = goal - eloc.logicalBlockNum - 775 nspread = goal - eloc.logicalBlockNum -
@@ -825,52 +871,53 @@ inline int udf_prealloc_blocks(struct super_block *sb,
825{ 871{
826 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; 872 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
827 873
828 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { 874 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
829 return udf_bitmap_prealloc_blocks(sb, inode, 875 return udf_bitmap_prealloc_blocks(sb, inode,
830 map->s_uspace.s_bitmap, 876 map->s_uspace.s_bitmap,
831 partition, first_block, block_count); 877 partition, first_block,
832 } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { 878 block_count);
879 else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
833 return udf_table_prealloc_blocks(sb, inode, 880 return udf_table_prealloc_blocks(sb, inode,
834 map->s_uspace.s_table, 881 map->s_uspace.s_table,
835 partition, first_block, block_count); 882 partition, first_block,
836 } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) { 883 block_count);
884 else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
837 return udf_bitmap_prealloc_blocks(sb, inode, 885 return udf_bitmap_prealloc_blocks(sb, inode,
838 map->s_fspace.s_bitmap, 886 map->s_fspace.s_bitmap,
839 partition, first_block, block_count); 887 partition, first_block,
840 } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) { 888 block_count);
889 else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
841 return udf_table_prealloc_blocks(sb, inode, 890 return udf_table_prealloc_blocks(sb, inode,
842 map->s_fspace.s_table, 891 map->s_fspace.s_table,
843 partition, first_block, block_count); 892 partition, first_block,
844 } else { 893 block_count);
894 else
845 return 0; 895 return 0;
846 }
847} 896}
848 897
849inline int udf_new_block(struct super_block *sb, 898inline int udf_new_block(struct super_block *sb,
850 struct inode *inode, 899 struct inode *inode,
851 uint16_t partition, uint32_t goal, int *err) 900 uint16_t partition, uint32_t goal, int *err)
852{ 901{
853 int ret;
854 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; 902 struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
855 903
856 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { 904 if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
857 ret = udf_bitmap_new_block(sb, inode, 905 return udf_bitmap_new_block(sb, inode,
858 map->s_uspace.s_bitmap, 906 map->s_uspace.s_bitmap,
859 partition, goal, err); 907 partition, goal, err);
860 return ret; 908 else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE)
861 } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) {
862 return udf_table_new_block(sb, inode, 909 return udf_table_new_block(sb, inode,
863 map->s_uspace.s_table, 910 map->s_uspace.s_table,
864 partition, goal, err); 911 partition, goal, err);
865 } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) { 912 else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP)
866 return udf_bitmap_new_block(sb, inode, 913 return udf_bitmap_new_block(sb, inode,
867 map->s_fspace.s_bitmap, 914 map->s_fspace.s_bitmap,
868 partition, goal, err); 915 partition, goal, err);
869 } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) { 916 else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE)
870 return udf_table_new_block(sb, inode, 917 return udf_table_new_block(sb, inode,
871 map->s_fspace.s_table, 918 map->s_fspace.s_table,
872 partition, goal, err); 919 partition, goal, err);
873 } else { 920 else {
874 *err = -EIO; 921 *err = -EIO;
875 return 0; 922 return 0;
876 } 923 }
diff --git a/fs/udf/crc.c b/fs/udf/crc.c
index 85aaee5fab26..b1661296e786 100644
--- a/fs/udf/crc.c
+++ b/fs/udf/crc.c
@@ -79,7 +79,7 @@ static uint16_t crc_table[256] = {
79 * July 21, 1997 - Andrew E. Mileski 79 * July 21, 1997 - Andrew E. Mileski
80 * Adapted from OSTA-UDF(tm) 1.50 standard. 80 * Adapted from OSTA-UDF(tm) 1.50 standard.
81 */ 81 */
82uint16_t udf_crc(uint8_t * data, uint32_t size, uint16_t crc) 82uint16_t udf_crc(uint8_t *data, uint32_t size, uint16_t crc)
83{ 83{
84 while (size--) 84 while (size--)
85 crc = crc_table[(crc >> 8 ^ *(data++)) & 0xffU] ^ (crc << 8); 85 crc = crc_table[(crc >> 8 ^ *(data++)) & 0xffU] ^ (crc << 8);
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index ff8c08fd7bf5..ba79794abced 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -19,7 +19,7 @@
19#include <linux/buffer_head.h> 19#include <linux/buffer_head.h>
20 20
21#if 0 21#if 0
22static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, 22static uint8_t *udf_filead_read(struct inode *dir, uint8_t *tmpad,
23 uint8_t ad_size, kernel_lb_addr fe_loc, 23 uint8_t ad_size, kernel_lb_addr fe_loc,
24 int *pos, int *offset, struct buffer_head **bh, 24 int *pos, int *offset, struct buffer_head **bh,
25 int *error) 25 int *error)
@@ -45,7 +45,8 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
45 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); 45 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
46 if (!block) 46 if (!block)
47 return NULL; 47 return NULL;
48 if (!(*bh = udf_tread(dir->i_sb, block))) 48 *bh = udf_tread(dir->i_sb, block);
49 if (!*bh)
49 return NULL; 50 return NULL;
50 } else if (*offset > dir->i_sb->s_blocksize) { 51 } else if (*offset > dir->i_sb->s_blocksize) {
51 ad = tmpad; 52 ad = tmpad;
@@ -57,10 +58,12 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
57 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); 58 block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
58 if (!block) 59 if (!block)
59 return NULL; 60 return NULL;
60 if (!((*bh) = udf_tread(dir->i_sb, block))) 61 (*bh) = udf_tread(dir->i_sb, block);
62 if (!*bh)
61 return NULL; 63 return NULL;
62 64
63 memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder); 65 memcpy((uint8_t *)ad + remainder, (*bh)->b_data,
66 ad_size - remainder);
64 *offset = ad_size - remainder; 67 *offset = ad_size - remainder;
65 } 68 }
66 69
@@ -68,12 +71,12 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
68} 71}
69#endif 72#endif
70 73
71struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, 74struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
72 struct udf_fileident_bh *fibh, 75 struct udf_fileident_bh *fibh,
73 struct fileIdentDesc *cfi, 76 struct fileIdentDesc *cfi,
74 struct extent_position *epos, 77 struct extent_position *epos,
75 kernel_lb_addr * eloc, uint32_t * elen, 78 kernel_lb_addr *eloc, uint32_t *elen,
76 sector_t * offset) 79 sector_t *offset)
77{ 80{
78 struct fileIdentDesc *fi; 81 struct fileIdentDesc *fi;
79 int i, num, block; 82 int i, num, block;
@@ -86,7 +89,8 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
86 (UDF_I_EFE(dir) ? 89 (UDF_I_EFE(dir) ?
87 sizeof(struct extendedFileEntry) : 90 sizeof(struct extendedFileEntry) :
88 sizeof(struct fileEntry)), 91 sizeof(struct fileEntry)),
89 dir->i_sb->s_blocksize, &(fibh->eoffset)); 92 dir->i_sb->s_blocksize,
93 &(fibh->eoffset));
90 if (!fi) 94 if (!fi)
91 return NULL; 95 return NULL;
92 96
@@ -100,6 +104,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
100 104
101 if (fibh->eoffset == dir->i_sb->s_blocksize) { 105 if (fibh->eoffset == dir->i_sb->s_blocksize) {
102 int lextoffset = epos->offset; 106 int lextoffset = epos->offset;
107 unsigned char blocksize_bits = dir->i_sb->s_blocksize_bits;
103 108
104 if (udf_next_aext(dir, epos, eloc, elen, 1) != 109 if (udf_next_aext(dir, epos, eloc, elen, 1) !=
105 (EXT_RECORDED_ALLOCATED >> 30)) 110 (EXT_RECORDED_ALLOCATED >> 30))
@@ -109,24 +114,27 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
109 114
110 (*offset)++; 115 (*offset)++;
111 116
112 if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) 117 if ((*offset << blocksize_bits) >= *elen)
113 *offset = 0; 118 *offset = 0;
114 else 119 else
115 epos->offset = lextoffset; 120 epos->offset = lextoffset;
116 121
117 brelse(fibh->sbh); 122 brelse(fibh->sbh);
118 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) 123 fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
124 if (!fibh->sbh)
119 return NULL; 125 return NULL;
120 fibh->soffset = fibh->eoffset = 0; 126 fibh->soffset = fibh->eoffset = 0;
121 127
122 if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { 128 if (!(*offset & ((16 >> (blocksize_bits - 9)) - 1))) {
123 i = 16 >> (dir->i_sb->s_blocksize_bits - 9); 129 i = 16 >> (blocksize_bits - 9);
124 if (i + *offset > (*elen >> dir->i_sb->s_blocksize_bits)) 130 if (i + *offset > (*elen >> blocksize_bits))
125 i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset; 131 i = (*elen >> blocksize_bits)-*offset;
126 for (num = 0; i > 0; i--) { 132 for (num = 0; i > 0; i--) {
127 block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset + i); 133 block = udf_get_lb_pblock(dir->i_sb, *eloc,
134 *offset + i);
128 tmp = udf_tgetblk(dir->i_sb, block); 135 tmp = udf_tgetblk(dir->i_sb, block);
129 if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) 136 if (tmp && !buffer_uptodate(tmp) &&
137 !buffer_locked(tmp))
130 bha[num++] = tmp; 138 bha[num++] = tmp;
131 else 139 else
132 brelse(tmp); 140 brelse(tmp);
@@ -172,20 +180,24 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
172 fibh->soffset -= dir->i_sb->s_blocksize; 180 fibh->soffset -= dir->i_sb->s_blocksize;
173 fibh->eoffset -= dir->i_sb->s_blocksize; 181 fibh->eoffset -= dir->i_sb->s_blocksize;
174 182
175 if (!(fibh->ebh = udf_tread(dir->i_sb, block))) 183 fibh->ebh = udf_tread(dir->i_sb, block);
184 if (!fibh->ebh)
176 return NULL; 185 return NULL;
177 186
178 if (sizeof(struct fileIdentDesc) > -fibh->soffset) { 187 if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
179 int fi_len; 188 int fi_len;
180 189
181 memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset); 190 memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset);
182 memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data, 191 memcpy((uint8_t *)cfi - fibh->soffset,
192 fibh->ebh->b_data,
183 sizeof(struct fileIdentDesc) + fibh->soffset); 193 sizeof(struct fileIdentDesc) + fibh->soffset);
184 194
185 fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent + 195 fi_len = (sizeof(struct fileIdentDesc) +
196 cfi->lengthFileIdent +
186 le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3; 197 le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
187 198
188 *nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2); 199 *nf_pos += (fi_len - (fibh->eoffset - fibh->soffset))
200 >> 2;
189 fibh->eoffset = fibh->soffset + fi_len; 201 fibh->eoffset = fibh->soffset + fi_len;
190 } else { 202 } else {
191 memcpy((uint8_t *)cfi, (uint8_t *)fi, 203 memcpy((uint8_t *)cfi, (uint8_t *)fi,
@@ -210,9 +222,8 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
210 222
211 ptr = buffer; 223 ptr = buffer;
212 224
213 if ((*offset > 0) && (*offset < bufsize)) { 225 if ((*offset > 0) && (*offset < bufsize))
214 ptr += *offset; 226 ptr += *offset;
215 }
216 fi = (struct fileIdentDesc *)ptr; 227 fi = (struct fileIdentDesc *)ptr;
217 if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) { 228 if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
218 udf_debug("0x%x != TAG_IDENT_FID\n", 229 udf_debug("0x%x != TAG_IDENT_FID\n",
@@ -222,12 +233,11 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
222 bufsize); 233 bufsize);
223 return NULL; 234 return NULL;
224 } 235 }
225 if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) { 236 if ((*offset + sizeof(struct fileIdentDesc)) > bufsize)
226 lengthThisIdent = sizeof(struct fileIdentDesc); 237 lengthThisIdent = sizeof(struct fileIdentDesc);
227 } else { 238 else
228 lengthThisIdent = sizeof(struct fileIdentDesc) + 239 lengthThisIdent = sizeof(struct fileIdentDesc) +
229 fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); 240 fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
230 }
231 241
232 /* we need to figure padding, too! */ 242 /* we need to figure padding, too! */
233 padlen = lengthThisIdent % UDF_NAME_PAD; 243 padlen = lengthThisIdent % UDF_NAME_PAD;
@@ -258,11 +268,11 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
258 return NULL; 268 return NULL;
259 } 269 }
260 270
261 ptr = (uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr); 271 ptr = (uint8_t *)(fe->extendedAttr) +
272 le32_to_cpu(fe->lengthExtendedAttr);
262 273
263 if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) { 274 if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)))
264 ptr += *offset; 275 ptr += *offset;
265 }
266 276
267 ext = (extent_ad *)ptr; 277 ext = (extent_ad *)ptr;
268 278
@@ -283,8 +293,11 @@ short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset,
283 293
284 if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset)) 294 if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
285 return NULL; 295 return NULL;
286 else if ((sa = (short_ad *)ptr)->extLength == 0) 296 else {
287 return NULL; 297 sa = (short_ad *)ptr;
298 if (sa->extLength == 0)
299 return NULL;
300 }
288 301
289 if (inc) 302 if (inc)
290 *offset += sizeof(short_ad); 303 *offset += sizeof(short_ad);
@@ -302,8 +315,11 @@ long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc)
302 315
303 if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset)) 316 if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
304 return NULL; 317 return NULL;
305 else if ((la = (long_ad *)ptr)->extLength == 0) 318 else {
306 return NULL; 319 la = (long_ad *)ptr;
320 if (la->extLength == 0)
321 return NULL;
322 }
307 323
308 if (inc) 324 if (inc)
309 *offset += sizeof(long_ad); 325 *offset += sizeof(long_ad);
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 3bd5068877fa..a984a8911167 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -59,7 +59,8 @@ static int udf_adinicb_readpage(struct file *file, struct page *page)
59 return 0; 59 return 0;
60} 60}
61 61
62static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc) 62static int udf_adinicb_writepage(struct page *page,
63 struct writeback_control *wbc)
63{ 64{
64 struct inode *inode = page->mapping->host; 65 struct inode *inode = page->mapping->host;
65 char *kaddr; 66 char *kaddr;
@@ -116,7 +117,8 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
116 else 117 else
117 pos = ppos; 118 pos = ppos;
118 119
119 if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + 120 if (inode->i_sb->s_blocksize <
121 (udf_file_entry_alloc_offset(inode) +
120 pos + count)) { 122 pos + count)) {
121 udf_expand_file_adinicb(inode, pos + count, &err); 123 udf_expand_file_adinicb(inode, pos + count, &err);
122 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 124 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
@@ -191,15 +193,19 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
191 193
192 switch (cmd) { 194 switch (cmd) {
193 case UDF_GETVOLIDENT: 195 case UDF_GETVOLIDENT:
194 return copy_to_user((char __user *)arg, 196 if (copy_to_user((char __user *)arg,
195 UDF_SB(inode->i_sb)->s_volume_ident, 32) ? -EFAULT : 0; 197 UDF_SB(inode->i_sb)->s_volume_ident, 32))
198 return -EFAULT;
199 else
200 return 0;
196 case UDF_RELOCATE_BLOCKS: 201 case UDF_RELOCATE_BLOCKS:
197 if (!capable(CAP_SYS_ADMIN)) 202 if (!capable(CAP_SYS_ADMIN))
198 return -EACCES; 203 return -EACCES;
199 if (get_user(old_block, (long __user *)arg)) 204 if (get_user(old_block, (long __user *)arg))
200 return -EFAULT; 205 return -EFAULT;
201 if ((result = udf_relocate_blocks(inode->i_sb, 206 result = udf_relocate_blocks(inode->i_sb,
202 old_block, &new_block)) == 0) 207 old_block, &new_block);
208 if (result == 0)
203 result = put_user(new_block, (long __user *)arg); 209 result = put_user(new_block, (long __user *)arg);
204 return result; 210 return result;
205 case UDF_GETEASIZE: 211 case UDF_GETEASIZE:
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 8145e943be61..7697b489a292 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -82,7 +82,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
82 UDF_I_NEXT_ALLOC_GOAL(inode) = 0; 82 UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
83 UDF_I_STRAT4096(inode) = 0; 83 UDF_I_STRAT4096(inode) = 0;
84 84
85 block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum, 85 block = udf_new_block(dir->i_sb, NULL,
86 UDF_I_LOCATION(dir).partitionReferenceNum,
86 start, err); 87 start, err);
87 if (*err) { 88 if (*err) {
88 iput(inode); 89 iput(inode);
@@ -91,11 +92,15 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
91 92
92 mutex_lock(&sbi->s_alloc_mutex); 93 mutex_lock(&sbi->s_alloc_mutex);
93 if (sbi->s_lvid_bh) { 94 if (sbi->s_lvid_bh) {
94 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; 95 struct logicalVolIntegrityDesc *lvid =
95 struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); 96 (struct logicalVolIntegrityDesc *)
97 sbi->s_lvid_bh->b_data;
98 struct logicalVolIntegrityDescImpUse *lvidiu =
99 udf_sb_lvidiu(sbi);
96 struct logicalVolHeaderDesc *lvhd; 100 struct logicalVolHeaderDesc *lvhd;
97 uint64_t uniqueID; 101 uint64_t uniqueID;
98 lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse); 102 lvhd = (struct logicalVolHeaderDesc *)
103 (lvid->logicalVolContentsUse);
99 if (S_ISDIR(mode)) 104 if (S_ISDIR(mode))
100 lvidiu->numDirs = 105 lvidiu->numDirs =
101 cpu_to_le32(le32_to_cpu(lvidiu->numDirs) + 1); 106 cpu_to_le32(le32_to_cpu(lvidiu->numDirs) + 1);
@@ -119,7 +124,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
119 } 124 }
120 125
121 UDF_I_LOCATION(inode).logicalBlockNum = block; 126 UDF_I_LOCATION(inode).logicalBlockNum = block;
122 UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; 127 UDF_I_LOCATION(inode).partitionReferenceNum =
128 UDF_I_LOCATION(dir).partitionReferenceNum;
123 inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0); 129 inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0);
124 inode->i_blocks = 0; 130 inode->i_blocks = 0;
125 UDF_I_LENEATTR(inode) = 0; 131 UDF_I_LENEATTR(inode) = 0;
@@ -129,10 +135,14 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
129 UDF_I_EFE(inode) = 1; 135 UDF_I_EFE(inode) = 1;
130 if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev) 136 if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
131 sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE; 137 sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
132 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL); 138 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize -
139 sizeof(struct extendedFileEntry),
140 GFP_KERNEL);
133 } else { 141 } else {
134 UDF_I_EFE(inode) = 0; 142 UDF_I_EFE(inode) = 0;
135 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL); 143 UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize -
144 sizeof(struct fileEntry),
145 GFP_KERNEL);
136 } 146 }
137 if (!UDF_I_DATA(inode)) { 147 if (!UDF_I_DATA(inode)) {
138 iput(inode); 148 iput(inode);
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 2eb1220e4236..3ce2f6d1aafa 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -19,7 +19,8 @@
19 * 10/04/98 dgb Added rudimentary directory functions 19 * 10/04/98 dgb Added rudimentary directory functions
20 * 10/07/98 Fully working udf_block_map! It works! 20 * 10/07/98 Fully working udf_block_map! It works!
21 * 11/25/98 bmap altered to better support extents 21 * 11/25/98 bmap altered to better support extents
22 * 12/06/98 blf partition support in udf_iget, udf_block_map and udf_read_inode 22 * 12/06/98 blf partition support in udf_iget, udf_block_map
23 * and udf_read_inode
23 * 12/12/98 rewrote udf_block_map to handle next extents and descs across 24 * 12/12/98 rewrote udf_block_map to handle next extents and descs across
24 * block boundaries (which is not actually allowed) 25 * block boundaries (which is not actually allowed)
25 * 12/20/98 added support for strategy 4096 26 * 12/20/98 added support for strategy 4096
@@ -237,7 +238,8 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
237 if (!(*block)) 238 if (!(*block))
238 return NULL; 239 return NULL;
239 newblock = udf_get_pblock(inode->i_sb, *block, 240 newblock = udf_get_pblock(inode->i_sb, *block,
240 UDF_I_LOCATION(inode).partitionReferenceNum, 0); 241 UDF_I_LOCATION(inode).partitionReferenceNum,
242 0);
241 if (!newblock) 243 if (!newblock)
242 return NULL; 244 return NULL;
243 dbh = udf_tgetblk(inode->i_sb, newblock); 245 dbh = udf_tgetblk(inode->i_sb, newblock);
@@ -249,13 +251,15 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
249 unlock_buffer(dbh); 251 unlock_buffer(dbh);
250 mark_buffer_dirty_inode(dbh, inode); 252 mark_buffer_dirty_inode(dbh, inode);
251 253
252 sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; 254 sfibh.soffset = sfibh.eoffset =
255 (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
253 sfibh.sbh = sfibh.ebh = NULL; 256 sfibh.sbh = sfibh.ebh = NULL;
254 dfibh.soffset = dfibh.eoffset = 0; 257 dfibh.soffset = dfibh.eoffset = 0;
255 dfibh.sbh = dfibh.ebh = dbh; 258 dfibh.sbh = dfibh.ebh = dbh;
256 while ((f_pos < size)) { 259 while ((f_pos < size)) {
257 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; 260 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
258 sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); 261 sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL,
262 NULL, NULL, NULL);
259 if (!sfi) { 263 if (!sfi) {
260 brelse(dbh); 264 brelse(dbh);
261 return NULL; 265 return NULL;
@@ -266,7 +270,8 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
266 dfibh.eoffset += (sfibh.eoffset - sfibh.soffset); 270 dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
267 dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset); 271 dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset);
268 if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse, 272 if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
269 sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { 273 sfi->fileIdent +
274 le16_to_cpu(sfi->lengthOfImpUse))) {
270 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; 275 UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
271 brelse(dbh); 276 brelse(dbh);
272 return NULL; 277 return NULL;
@@ -274,10 +279,12 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
274 } 279 }
275 mark_buffer_dirty_inode(dbh, inode); 280 mark_buffer_dirty_inode(dbh, inode);
276 281
277 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); 282 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0,
283 UDF_I_LENALLOC(inode));
278 UDF_I_LENALLOC(inode) = 0; 284 UDF_I_LENALLOC(inode) = 0;
279 eloc.logicalBlockNum = *block; 285 eloc.logicalBlockNum = *block;
280 eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; 286 eloc.partitionReferenceNum =
287 UDF_I_LOCATION(inode).partitionReferenceNum;
281 elen = inode->i_size; 288 elen = inode->i_size;
282 UDF_I_LENEXTENTS(inode) = elen; 289 UDF_I_LENEXTENTS(inode) = elen;
283 epos.bh = NULL; 290 epos.bh = NULL;
@@ -366,7 +373,7 @@ static struct buffer_head *udf_getblk(struct inode *inode, long block,
366 373
367/* Extend the file by 'blocks' blocks, return the number of extents added */ 374/* Extend the file by 'blocks' blocks, return the number of extents added */
368int udf_extend_file(struct inode *inode, struct extent_position *last_pos, 375int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
369 kernel_long_ad * last_ext, sector_t blocks) 376 kernel_long_ad *last_ext, sector_t blocks)
370{ 377{
371 sector_t add; 378 sector_t add;
372 int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); 379 int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
@@ -391,7 +398,8 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
391 } 398 }
392 399
393 /* Last extent are just preallocated blocks? */ 400 /* Last extent are just preallocated blocks? */
394 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) { 401 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
402 EXT_NOT_RECORDED_ALLOCATED) {
395 /* Save the extent so that we can reattach it to the end */ 403 /* Save the extent so that we can reattach it to the end */
396 prealloc_loc = last_ext->extLocation; 404 prealloc_loc = last_ext->extLocation;
397 prealloc_len = last_ext->extLength; 405 prealloc_len = last_ext->extLength;
@@ -399,13 +407,15 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
399 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 407 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
400 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); 408 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
401 last_ext->extLocation.logicalBlockNum = 0; 409 last_ext->extLocation.logicalBlockNum = 0;
402 last_ext->extLocation.partitionReferenceNum = 0; 410 last_ext->extLocation.partitionReferenceNum = 0;
403 } 411 }
404 412
405 /* Can we merge with the previous extent? */ 413 /* Can we merge with the previous extent? */
406 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) { 414 if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
407 add = ((1 << 30) - sb->s_blocksize - (last_ext->extLength & 415 EXT_NOT_RECORDED_NOT_ALLOCATED) {
408 UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits; 416 add = ((1 << 30) - sb->s_blocksize -
417 (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) >>
418 sb->s_blocksize_bits;
409 if (add > blocks) 419 if (add > blocks)
410 add = blocks; 420 add = blocks;
411 blocks -= add; 421 blocks -= add;
@@ -416,9 +426,9 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
416 udf_add_aext(inode, last_pos, last_ext->extLocation, 426 udf_add_aext(inode, last_pos, last_ext->extLocation,
417 last_ext->extLength, 1); 427 last_ext->extLength, 1);
418 count++; 428 count++;
419 } else { 429 } else
420 udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); 430 udf_write_aext(inode, last_pos, last_ext->extLocation,
421 } 431 last_ext->extLength, 1);
422 432
423 /* Managed to do everything necessary? */ 433 /* Managed to do everything necessary? */
424 if (!blocks) 434 if (!blocks)
@@ -426,9 +436,10 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
426 436
427 /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ 437 /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */
428 last_ext->extLocation.logicalBlockNum = 0; 438 last_ext->extLocation.logicalBlockNum = 0;
429 last_ext->extLocation.partitionReferenceNum = 0; 439 last_ext->extLocation.partitionReferenceNum = 0;
430 add = (1 << (30-sb->s_blocksize_bits)) - 1; 440 add = (1 << (30-sb->s_blocksize_bits)) - 1;
431 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); 441 last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
442 (add << sb->s_blocksize_bits);
432 443
433 /* Create enough extents to cover the whole hole */ 444 /* Create enough extents to cover the whole hole */
434 while (blocks > add) { 445 while (blocks > add) {
@@ -450,7 +461,8 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
450out: 461out:
451 /* Do we have some preallocated blocks saved? */ 462 /* Do we have some preallocated blocks saved? */
452 if (prealloc_len) { 463 if (prealloc_len) {
453 if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1) 464 if (udf_add_aext(inode, last_pos, prealloc_loc,
465 prealloc_len, 1) == -1)
454 return -1; 466 return -1;
455 last_ext->extLocation = prealloc_loc; 467 last_ext->extLocation = prealloc_loc;
456 last_ext->extLength = prealloc_len; 468 last_ext->extLength = prealloc_len;
@@ -515,7 +527,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
515 prev_epos.offset = cur_epos.offset; 527 prev_epos.offset = cur_epos.offset;
516 cur_epos.offset = next_epos.offset; 528 cur_epos.offset = next_epos.offset;
517 529
518 if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) 530 etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1);
531 if (etype == -1)
519 break; 532 break;
520 533
521 c = !c; 534 c = !c;
@@ -569,9 +582,11 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
569 startnum = 1; 582 startnum = 1;
570 } else { 583 } else {
571 /* Create a fake extent when there's not one */ 584 /* Create a fake extent when there's not one */
572 memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr)); 585 memset(&laarr[0].extLocation, 0x00,
586 sizeof(kernel_lb_addr));
573 laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; 587 laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
574 /* Will udf_extend_file() create real extent from a fake one? */ 588 /* Will udf_extend_file() create real extent from
589 a fake one? */
575 startnum = (offset > 0); 590 startnum = (offset > 0);
576 } 591 }
577 /* Create extents for the hole between EOF and offset */ 592 /* Create extents for the hole between EOF and offset */
@@ -589,14 +604,16 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
589 offset = 0; 604 offset = 0;
590 count += ret; 605 count += ret;
591 /* We are not covered by a preallocated extent? */ 606 /* We are not covered by a preallocated extent? */
592 if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) { 607 if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) !=
608 EXT_NOT_RECORDED_ALLOCATED) {
593 /* Is there any real extent? - otherwise we overwrite 609 /* Is there any real extent? - otherwise we overwrite
594 * the fake one... */ 610 * the fake one... */
595 if (count) 611 if (count)
596 c = !c; 612 c = !c;
597 laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 613 laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
598 inode->i_sb->s_blocksize; 614 inode->i_sb->s_blocksize;
599 memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); 615 memset(&laarr[c].extLocation, 0x00,
616 sizeof(kernel_lb_addr));
600 count++; 617 count++;
601 endnum++; 618 endnum++;
602 } 619 }
@@ -605,7 +622,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
605 } else { 622 } else {
606 endnum = startnum = ((count > 2) ? 2 : count); 623 endnum = startnum = ((count > 2) ? 2 : count);
607 624
608 /* if the current extent is in position 0, swap it with the previous */ 625 /* if the current extent is in position 0,
626 swap it with the previous */
609 if (!c && count != 1) { 627 if (!c && count != 1) {
610 laarr[2] = laarr[0]; 628 laarr[2] = laarr[0];
611 laarr[0] = laarr[1]; 629 laarr[0] = laarr[1];
@@ -613,34 +631,36 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
613 c = 1; 631 c = 1;
614 } 632 }
615 633
616 /* if the current block is located in an extent, read the next extent */ 634 /* if the current block is located in an extent,
617 if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { 635 read the next extent */
636 etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0);
637 if (etype != -1) {
618 laarr[c + 1].extLength = (etype << 30) | elen; 638 laarr[c + 1].extLength = (etype << 30) | elen;
619 laarr[c + 1].extLocation = eloc; 639 laarr[c + 1].extLocation = eloc;
620 count++; 640 count++;
621 startnum++; 641 startnum++;
622 endnum++; 642 endnum++;
623 } else { 643 } else
624 lastblock = 1; 644 lastblock = 1;
625 }
626 } 645 }
627 646
628 /* if the current extent is not recorded but allocated, get the 647 /* if the current extent is not recorded but allocated, get the
629 * block in the extent corresponding to the requested block */ 648 * block in the extent corresponding to the requested block */
630 if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 649 if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
631 newblocknum = laarr[c].extLocation.logicalBlockNum + offset; 650 newblocknum = laarr[c].extLocation.logicalBlockNum + offset;
632 } else { /* otherwise, allocate a new block */ 651 else { /* otherwise, allocate a new block */
633 if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block) 652 if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block)
634 goal = UDF_I_NEXT_ALLOC_GOAL(inode); 653 goal = UDF_I_NEXT_ALLOC_GOAL(inode);
635 654
636 if (!goal) { 655 if (!goal) {
637 if (!(goal = pgoal)) 656 if (!(goal = pgoal)) /* XXX: what was intended here? */
638 goal = UDF_I_LOCATION(inode).logicalBlockNum + 1; 657 goal = UDF_I_LOCATION(inode).logicalBlockNum+1;
639 } 658 }
640 659
641 if (!(newblocknum = udf_new_block(inode->i_sb, inode, 660 newblocknum = udf_new_block(inode->i_sb, inode,
642 UDF_I_LOCATION(inode).partitionReferenceNum, 661 UDF_I_LOCATION(inode).partitionReferenceNum,
643 goal, err))) { 662 goal, err);
663 if (!newblocknum) {
644 brelse(prev_epos.bh); 664 brelse(prev_epos.bh);
645 *err = -ENOSPC; 665 *err = -ENOSPC;
646 return NULL; 666 return NULL;
@@ -648,9 +668,10 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
648 UDF_I_LENEXTENTS(inode) += inode->i_sb->s_blocksize; 668 UDF_I_LENEXTENTS(inode) += inode->i_sb->s_blocksize;
649 } 669 }
650 670
651 /* if the extent the requsted block is located in contains multiple blocks, 671 /* if the extent the requsted block is located in contains multiple
652 * split the extent into at most three extents. blocks prior to requested 672 * blocks, split the extent into at most three extents. blocks prior
653 * block, requested block, and blocks after requested block */ 673 * to requested block, requested block, and blocks after requested
674 * block */
654 udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum); 675 udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
655 676
656#ifdef UDF_PREALLOCATE 677#ifdef UDF_PREALLOCATE
@@ -668,10 +689,10 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
668 689
669 brelse(prev_epos.bh); 690 brelse(prev_epos.bh);
670 691
671 if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, 692 newblock = udf_get_pblock(inode->i_sb, newblocknum,
672 UDF_I_LOCATION(inode).partitionReferenceNum, 0))) { 693 UDF_I_LOCATION(inode).partitionReferenceNum, 0);
694 if (!newblock)
673 return NULL; 695 return NULL;
674 }
675 *phys = newblock; 696 *phys = newblock;
676 *err = 0; 697 *err = 0;
677 *new = 1; 698 *new = 1;
@@ -692,16 +713,20 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
692 kernel_long_ad laarr[EXTENT_MERGE_SIZE], 713 kernel_long_ad laarr[EXTENT_MERGE_SIZE],
693 int *endnum) 714 int *endnum)
694{ 715{
716 unsigned long blocksize = inode->i_sb->s_blocksize;
717 unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
718
695 if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) || 719 if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) ||
696 (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { 720 (laarr[*c].extLength >> 30) ==
721 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
697 int curr = *c; 722 int curr = *c;
698 int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) + 723 int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) +
699 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; 724 blocksize - 1) >> blocksize_bits;
700 int8_t etype = (laarr[curr].extLength >> 30); 725 int8_t etype = (laarr[curr].extLength >> 30);
701 726
702 if (blen == 1) { 727 if (blen == 1)
703 ; 728 ;
704 } else if (!offset || blen == offset + 1) { 729 else if (!offset || blen == offset + 1) {
705 laarr[curr + 2] = laarr[curr + 1]; 730 laarr[curr + 2] = laarr[curr + 1];
706 laarr[curr + 1] = laarr[curr]; 731 laarr[curr + 1] = laarr[curr];
707 } else { 732 } else {
@@ -711,15 +736,18 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
711 736
712 if (offset) { 737 if (offset) {
713 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 738 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
714 udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset); 739 udf_free_blocks(inode->i_sb, inode,
715 laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | 740 laarr[curr].extLocation,
716 (offset << inode->i_sb->s_blocksize_bits); 741 0, offset);
742 laarr[curr].extLength =
743 EXT_NOT_RECORDED_NOT_ALLOCATED |
744 (offset << blocksize_bits);
717 laarr[curr].extLocation.logicalBlockNum = 0; 745 laarr[curr].extLocation.logicalBlockNum = 0;
718 laarr[curr].extLocation.partitionReferenceNum = 0; 746 laarr[curr].extLocation.
719 } else { 747 partitionReferenceNum = 0;
748 } else
720 laarr[curr].extLength = (etype << 30) | 749 laarr[curr].extLength = (etype << 30) |
721 (offset << inode->i_sb->s_blocksize_bits); 750 (offset << blocksize_bits);
722 }
723 curr++; 751 curr++;
724 (*c)++; 752 (*c)++;
725 (*endnum)++; 753 (*endnum)++;
@@ -730,14 +758,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
730 laarr[curr].extLocation.partitionReferenceNum = 758 laarr[curr].extLocation.partitionReferenceNum =
731 UDF_I_LOCATION(inode).partitionReferenceNum; 759 UDF_I_LOCATION(inode).partitionReferenceNum;
732 laarr[curr].extLength = EXT_RECORDED_ALLOCATED | 760 laarr[curr].extLength = EXT_RECORDED_ALLOCATED |
733 inode->i_sb->s_blocksize; 761 blocksize;
734 curr++; 762 curr++;
735 763
736 if (blen != offset + 1) { 764 if (blen != offset + 1) {
737 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) 765 if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
738 laarr[curr].extLocation.logicalBlockNum += (offset + 1); 766 laarr[curr].extLocation.logicalBlockNum +=
767 offset + 1;
739 laarr[curr].extLength = (etype << 30) | 768 laarr[curr].extLength = (etype << 30) |
740 ((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits); 769 ((blen - (offset + 1)) << blocksize_bits);
741 curr++; 770 curr++;
742 (*endnum)++; 771 (*endnum)++;
743 } 772 }
@@ -756,69 +785,86 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
756 else 785 else
757 start = c; 786 start = c;
758 } else { 787 } else {
759 if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 788 if ((laarr[c + 1].extLength >> 30) ==
789 (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
760 start = c + 1; 790 start = c + 1;
761 length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) + 791 length = currlength =
762 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); 792 (((laarr[c + 1].extLength &
763 } else { 793 UDF_EXTENT_LENGTH_MASK) +
794 inode->i_sb->s_blocksize - 1) >>
795 inode->i_sb->s_blocksize_bits);
796 } else
764 start = c; 797 start = c;
765 }
766 } 798 }
767 799
768 for (i = start + 1; i <= *endnum; i++) { 800 for (i = start + 1; i <= *endnum; i++) {
769 if (i == *endnum) { 801 if (i == *endnum) {
770 if (lastblock) 802 if (lastblock)
771 length += UDF_DEFAULT_PREALLOC_BLOCKS; 803 length += UDF_DEFAULT_PREALLOC_BLOCKS;
772 } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { 804 } else if ((laarr[i].extLength >> 30) ==
773 length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 805 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
774 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); 806 length += (((laarr[i].extLength &
775 } else { 807 UDF_EXTENT_LENGTH_MASK) +
808 inode->i_sb->s_blocksize - 1) >>
809 inode->i_sb->s_blocksize_bits);
810 } else
776 break; 811 break;
777 }
778 } 812 }
779 813
780 if (length) { 814 if (length) {
781 int next = laarr[start].extLocation.logicalBlockNum + 815 int next = laarr[start].extLocation.logicalBlockNum +
782 (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + 816 (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
783 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); 817 inode->i_sb->s_blocksize - 1) >>
818 inode->i_sb->s_blocksize_bits);
784 int numalloc = udf_prealloc_blocks(inode->i_sb, inode, 819 int numalloc = udf_prealloc_blocks(inode->i_sb, inode,
785 laarr[start].extLocation.partitionReferenceNum, 820 laarr[start].extLocation.partitionReferenceNum,
786 next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length : 821 next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ?
787 UDF_DEFAULT_PREALLOC_BLOCKS) - currlength); 822 length : UDF_DEFAULT_PREALLOC_BLOCKS) -
823 currlength);
788 if (numalloc) { 824 if (numalloc) {
789 if (start == (c + 1)) { 825 if (start == (c + 1))
790 laarr[start].extLength += 826 laarr[start].extLength +=
791 (numalloc << inode->i_sb->s_blocksize_bits); 827 (numalloc <<
792 } else { 828 inode->i_sb->s_blocksize_bits);
829 else {
793 memmove(&laarr[c + 2], &laarr[c + 1], 830 memmove(&laarr[c + 2], &laarr[c + 1],
794 sizeof(long_ad) * (*endnum - (c + 1))); 831 sizeof(long_ad) * (*endnum - (c + 1)));
795 (*endnum)++; 832 (*endnum)++;
796 laarr[c + 1].extLocation.logicalBlockNum = next; 833 laarr[c + 1].extLocation.logicalBlockNum = next;
797 laarr[c + 1].extLocation.partitionReferenceNum = 834 laarr[c + 1].extLocation.partitionReferenceNum =
798 laarr[c].extLocation.partitionReferenceNum; 835 laarr[c].extLocation.
799 laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED | 836 partitionReferenceNum;
800 (numalloc << inode->i_sb->s_blocksize_bits); 837 laarr[c + 1].extLength =
838 EXT_NOT_RECORDED_ALLOCATED |
839 (numalloc <<
840 inode->i_sb->s_blocksize_bits);
801 start = c + 1; 841 start = c + 1;
802 } 842 }
803 843
804 for (i = start + 1; numalloc && i < *endnum; i++) { 844 for (i = start + 1; numalloc && i < *endnum; i++) {
805 int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 845 int elen = ((laarr[i].extLength &
806 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; 846 UDF_EXTENT_LENGTH_MASK) +
847 inode->i_sb->s_blocksize - 1) >>
848 inode->i_sb->s_blocksize_bits;
807 849
808 if (elen > numalloc) { 850 if (elen > numalloc) {
809 laarr[i].extLength -= 851 laarr[i].extLength -=
810 (numalloc << inode->i_sb->s_blocksize_bits); 852 (numalloc <<
853 inode->i_sb->s_blocksize_bits);
811 numalloc = 0; 854 numalloc = 0;
812 } else { 855 } else {
813 numalloc -= elen; 856 numalloc -= elen;
814 if (*endnum > (i + 1)) 857 if (*endnum > (i + 1))
815 memmove(&laarr[i], &laarr[i + 1], 858 memmove(&laarr[i],
816 sizeof(long_ad) * (*endnum - (i + 1))); 859 &laarr[i + 1],
860 sizeof(long_ad) *
861 (*endnum - (i + 1)));
817 i--; 862 i--;
818 (*endnum)--; 863 (*endnum)--;
819 } 864 }
820 } 865 }
821 UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits; 866 UDF_I_LENEXTENTS(inode) +=
867 numalloc << inode->i_sb->s_blocksize_bits;
822 } 868 }
823 } 869 }
824} 870}
@@ -828,70 +874,97 @@ static void udf_merge_extents(struct inode *inode,
828 int *endnum) 874 int *endnum)
829{ 875{
830 int i; 876 int i;
877 unsigned long blocksize = inode->i_sb->s_blocksize;
878 unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
831 879
832 for (i = 0; i < (*endnum - 1); i++) { 880 for (i = 0; i < (*endnum - 1); i++) {
833 if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) { 881 kernel_long_ad *li /*l[i]*/ = &laarr[i];
834 if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) || 882 kernel_long_ad *lip1 /*l[i plus 1]*/ = &laarr[i + 1];
835 ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) == 883
836 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 884 if (((li->extLength >> 30) == (lip1->extLength >> 30)) &&
837 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) { 885 (((li->extLength >> 30) ==
838 if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 886 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) ||
839 (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + 887 ((lip1->extLocation.logicalBlockNum -
840 inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { 888 li->extLocation.logicalBlockNum) ==
841 laarr[i + 1].extLength = (laarr[i + 1].extLength - 889 (((li->extLength & UDF_EXTENT_LENGTH_MASK) +
842 (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 890 blocksize - 1) >> blocksize_bits)))) {
843 UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); 891
844 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + 892 if (((li->extLength & UDF_EXTENT_LENGTH_MASK) +
845 (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; 893 (lip1->extLength & UDF_EXTENT_LENGTH_MASK) +
846 laarr[i + 1].extLocation.logicalBlockNum = 894 blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
847 laarr[i].extLocation.logicalBlockNum + 895 lip1->extLength = (lip1->extLength -
848 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >> 896 (li->extLength &
849 inode->i_sb->s_blocksize_bits); 897 UDF_EXTENT_LENGTH_MASK) +
850 } else { 898 UDF_EXTENT_LENGTH_MASK) &
851 laarr[i].extLength = laarr[i + 1].extLength + 899 ~(blocksize - 1);
852 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 900 li->extLength = (li->extLength &
853 inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); 901 UDF_EXTENT_FLAG_MASK) +
854 if (*endnum > (i + 2)) 902 (UDF_EXTENT_LENGTH_MASK + 1) -
855 memmove(&laarr[i + 1], &laarr[i + 2], 903 blocksize;
856 sizeof(long_ad) * (*endnum - (i + 2))); 904 lip1->extLocation.logicalBlockNum =
857 i--; 905 li->extLocation.logicalBlockNum +
858 (*endnum)--; 906 ((li->extLength &
859 } 907 UDF_EXTENT_LENGTH_MASK) >>
908 blocksize_bits);
909 } else {
910 li->extLength = lip1->extLength +
911 (((li->extLength &
912 UDF_EXTENT_LENGTH_MASK) +
913 blocksize - 1) & ~(blocksize - 1));
914 if (*endnum > (i + 2))
915 memmove(&laarr[i + 1], &laarr[i + 2],
916 sizeof(long_ad) *
917 (*endnum - (i + 2)));
918 i--;
919 (*endnum)--;
860 } 920 }
861 } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) && 921 } else if (((li->extLength >> 30) ==
862 ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { 922 (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
863 udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, 923 ((lip1->extLength >> 30) ==
864 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 924 (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
865 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); 925 udf_free_blocks(inode->i_sb, inode, li->extLocation, 0,
866 laarr[i].extLocation.logicalBlockNum = 0; 926 ((li->extLength &
867 laarr[i].extLocation.partitionReferenceNum = 0; 927 UDF_EXTENT_LENGTH_MASK) +
868 928 blocksize - 1) >> blocksize_bits);
869 if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 929 li->extLocation.logicalBlockNum = 0;
870 (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + 930 li->extLocation.partitionReferenceNum = 0;
871 inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { 931
872 laarr[i + 1].extLength = (laarr[i + 1].extLength - 932 if (((li->extLength & UDF_EXTENT_LENGTH_MASK) +
873 (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 933 (lip1->extLength & UDF_EXTENT_LENGTH_MASK) +
874 UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); 934 blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
875 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + 935 lip1->extLength = (lip1->extLength -
876 (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; 936 (li->extLength &
937 UDF_EXTENT_LENGTH_MASK) +
938 UDF_EXTENT_LENGTH_MASK) &
939 ~(blocksize - 1);
940 li->extLength = (li->extLength &
941 UDF_EXTENT_FLAG_MASK) +
942 (UDF_EXTENT_LENGTH_MASK + 1) -
943 blocksize;
877 } else { 944 } else {
878 laarr[i].extLength = laarr[i + 1].extLength + 945 li->extLength = lip1->extLength +
879 (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 946 (((li->extLength &
880 inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); 947 UDF_EXTENT_LENGTH_MASK) +
948 blocksize - 1) & ~(blocksize - 1));
881 if (*endnum > (i + 2)) 949 if (*endnum > (i + 2))
882 memmove(&laarr[i + 1], &laarr[i + 2], 950 memmove(&laarr[i + 1], &laarr[i + 2],
883 sizeof(long_ad) * (*endnum - (i + 2))); 951 sizeof(long_ad) *
952 (*endnum - (i + 2)));
884 i--; 953 i--;
885 (*endnum)--; 954 (*endnum)--;
886 } 955 }
887 } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { 956 } else if ((li->extLength >> 30) ==
888 udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, 957 (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
889 ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + 958 udf_free_blocks(inode->i_sb, inode,
890 inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); 959 li->extLocation, 0,
891 laarr[i].extLocation.logicalBlockNum = 0; 960 ((li->extLength &
892 laarr[i].extLocation.partitionReferenceNum = 0; 961 UDF_EXTENT_LENGTH_MASK) +
893 laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) | 962 blocksize - 1) >> blocksize_bits);
894 EXT_NOT_RECORDED_NOT_ALLOCATED; 963 li->extLocation.logicalBlockNum = 0;
964 li->extLocation.partitionReferenceNum = 0;
965 li->extLength = (li->extLength &
966 UDF_EXTENT_LENGTH_MASK) |
967 EXT_NOT_RECORDED_NOT_ALLOCATED;
895 } 968 }
896 } 969 }
897} 970}
@@ -962,24 +1035,26 @@ void udf_truncate(struct inode *inode)
962 1035
963 lock_kernel(); 1036 lock_kernel();
964 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 1037 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
965 if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + 1038 if (inode->i_sb->s_blocksize <
966 inode->i_size)) { 1039 (udf_file_entry_alloc_offset(inode) +
1040 inode->i_size)) {
967 udf_expand_file_adinicb(inode, inode->i_size, &err); 1041 udf_expand_file_adinicb(inode, inode->i_size, &err);
968 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { 1042 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
969 inode->i_size = UDF_I_LENALLOC(inode); 1043 inode->i_size = UDF_I_LENALLOC(inode);
970 unlock_kernel(); 1044 unlock_kernel();
971 return; 1045 return;
972 } else { 1046 } else
973 udf_truncate_extents(inode); 1047 udf_truncate_extents(inode);
974 }
975 } else { 1048 } else {
976 offset = inode->i_size & (inode->i_sb->s_blocksize - 1); 1049 offset = inode->i_size & (inode->i_sb->s_blocksize - 1);
977 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00, 1050 memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) +
978 inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode)); 1051 offset, 0x00, inode->i_sb->s_blocksize -
1052 offset - udf_file_entry_alloc_offset(inode));
979 UDF_I_LENALLOC(inode) = inode->i_size; 1053 UDF_I_LENALLOC(inode) = inode->i_size;
980 } 1054 }
981 } else { 1055 } else {
982 block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block); 1056 block_truncate_page(inode->i_mapping, inode->i_size,
1057 udf_get_block);
983 udf_truncate_extents(inode); 1058 udf_truncate_extents(inode);
984 } 1059 }
985 1060
@@ -1019,8 +1094,8 @@ static void __udf_read_inode(struct inode *inode)
1019 1094
1020 if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE && 1095 if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
1021 ident != TAG_IDENT_USE) { 1096 ident != TAG_IDENT_USE) {
1022 printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", 1097 printk(KERN_ERR "udf: udf_read_inode(ino %ld) "
1023 inode->i_ino, ident); 1098 "failed ident=%d\n", inode->i_ino, ident);
1024 brelse(bh); 1099 brelse(bh);
1025 make_bad_inode(inode); 1100 make_bad_inode(inode);
1026 return; 1101 return;
@@ -1032,7 +1107,8 @@ static void __udf_read_inode(struct inode *inode)
1032 struct buffer_head *ibh = NULL, *nbh = NULL; 1107 struct buffer_head *ibh = NULL, *nbh = NULL;
1033 struct indirectEntry *ie; 1108 struct indirectEntry *ie;
1034 1109
1035 ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident); 1110 ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1,
1111 &ident);
1036 if (ident == TAG_IDENT_IE) { 1112 if (ident == TAG_IDENT_IE) {
1037 if (ibh) { 1113 if (ibh) {
1038 kernel_lb_addr loc; 1114 kernel_lb_addr loc;
@@ -1041,10 +1117,12 @@ static void __udf_read_inode(struct inode *inode)
1041 loc = lelb_to_cpu(ie->indirectICB.extLocation); 1117 loc = lelb_to_cpu(ie->indirectICB.extLocation);
1042 1118
1043 if (ie->indirectICB.extLength && 1119 if (ie->indirectICB.extLength &&
1044 (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) { 1120 (nbh = udf_read_ptagged(inode->i_sb, loc, 0,
1121 &ident))) {
1045 if (ident == TAG_IDENT_FE || 1122 if (ident == TAG_IDENT_FE ||
1046 ident == TAG_IDENT_EFE) { 1123 ident == TAG_IDENT_EFE) {
1047 memcpy(&UDF_I_LOCATION(inode), &loc, 1124 memcpy(&UDF_I_LOCATION(inode),
1125 &loc,
1048 sizeof(kernel_lb_addr)); 1126 sizeof(kernel_lb_addr));
1049 brelse(bh); 1127 brelse(bh);
1050 brelse(ibh); 1128 brelse(ibh);
@@ -1091,7 +1169,8 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1091 else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ 1169 else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
1092 UDF_I_STRAT4096(inode) = 1; 1170 UDF_I_STRAT4096(inode) = 1;
1093 1171
1094 UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK; 1172 UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) &
1173 ICBTAG_FLAG_AD_MASK;
1095 UDF_I_UNIQUE(inode) = 0; 1174 UDF_I_UNIQUE(inode) = 0;
1096 UDF_I_LENEATTR(inode) = 0; 1175 UDF_I_LENEATTR(inode) = 0;
1097 UDF_I_LENEXTENTS(inode) = 0; 1176 UDF_I_LENEXTENTS(inode) = 0;
@@ -1101,16 +1180,20 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1101 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) { 1180 if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) {
1102 UDF_I_EFE(inode) = 1; 1181 UDF_I_EFE(inode) = 1;
1103 UDF_I_USE(inode) = 0; 1182 UDF_I_USE(inode) = 0;
1104 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) { 1183 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
1184 sizeof(struct extendedFileEntry))) {
1105 make_bad_inode(inode); 1185 make_bad_inode(inode);
1106 return; 1186 return;
1107 } 1187 }
1108 memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry), 1188 memcpy(UDF_I_DATA(inode),
1109 inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); 1189 bh->b_data + sizeof(struct extendedFileEntry),
1190 inode->i_sb->s_blocksize -
1191 sizeof(struct extendedFileEntry));
1110 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) { 1192 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) {
1111 UDF_I_EFE(inode) = 0; 1193 UDF_I_EFE(inode) = 0;
1112 UDF_I_USE(inode) = 0; 1194 UDF_I_USE(inode) = 0;
1113 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) { 1195 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
1196 sizeof(struct fileEntry))) {
1114 make_bad_inode(inode); 1197 make_bad_inode(inode);
1115 return; 1198 return;
1116 } 1199 }
@@ -1119,14 +1202,18 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1119 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) { 1202 } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
1120 UDF_I_EFE(inode) = 0; 1203 UDF_I_EFE(inode) = 0;
1121 UDF_I_USE(inode) = 1; 1204 UDF_I_USE(inode) = 1;
1122 UDF_I_LENALLOC(inode) = 1205 UDF_I_LENALLOC(inode) = le32_to_cpu(
1123 le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs); 1206 ((struct unallocSpaceEntry *)bh->b_data)->
1124 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) { 1207 lengthAllocDescs);
1208 if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
1209 sizeof(struct unallocSpaceEntry))) {
1125 make_bad_inode(inode); 1210 make_bad_inode(inode);
1126 return; 1211 return;
1127 } 1212 }
1128 memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry), 1213 memcpy(UDF_I_DATA(inode),
1129 inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); 1214 bh->b_data + sizeof(struct unallocSpaceEntry),
1215 inode->i_sb->s_blocksize -
1216 sizeof(struct unallocSpaceEntry));
1130 return; 1217 return;
1131 } 1218 }
1132 1219
@@ -1223,7 +1310,8 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1223 UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID); 1310 UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID);
1224 UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr); 1311 UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr);
1225 UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs); 1312 UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs);
1226 offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode); 1313 offset = sizeof(struct extendedFileEntry) +
1314 UDF_I_LENEATTR(inode);
1227 } 1315 }
1228 1316
1229 switch (fe->icbTag.fileType) { 1317 switch (fe->icbTag.fileType) {
@@ -1262,21 +1350,22 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
1262 inode->i_mode = S_IFLNK | S_IRWXUGO; 1350 inode->i_mode = S_IFLNK | S_IRWXUGO;
1263 break; 1351 break;
1264 default: 1352 default:
1265 printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", 1353 printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown "
1266 inode->i_ino, fe->icbTag.fileType); 1354 "file type=%d\n", inode->i_ino,
1355 fe->icbTag.fileType);
1267 make_bad_inode(inode); 1356 make_bad_inode(inode);
1268 return; 1357 return;
1269 } 1358 }
1270 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { 1359 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
1271 struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1); 1360 struct deviceSpec *dsea =
1361 (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
1272 if (dsea) { 1362 if (dsea) {
1273 init_special_inode(inode, inode->i_mode, 1363 init_special_inode(inode, inode->i_mode,
1274 MKDEV(le32_to_cpu(dsea->majorDeviceIdent), 1364 MKDEV(le32_to_cpu(dsea->majorDeviceIdent),
1275 le32_to_cpu(dsea->minorDeviceIdent))); 1365 le32_to_cpu(dsea->minorDeviceIdent)));
1276 /* Developer ID ??? */ 1366 /* Developer ID ??? */
1277 } else { 1367 } else
1278 make_bad_inode(inode); 1368 make_bad_inode(inode);
1279 }
1280 } 1369 }
1281} 1370}
1282 1371
@@ -1285,8 +1374,8 @@ static int udf_alloc_i_data(struct inode *inode, size_t size)
1285 UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL); 1374 UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL);
1286 1375
1287 if (!UDF_I_DATA(inode)) { 1376 if (!UDF_I_DATA(inode)) {
1288 printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n", 1377 printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) "
1289 inode->i_ino); 1378 "no free memory\n", inode->i_ino);
1290 return -ENOMEM; 1379 return -ENOMEM;
1291 } 1380 }
1292 1381
@@ -1302,12 +1391,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
1302 permissions = le32_to_cpu(fe->permissions); 1391 permissions = le32_to_cpu(fe->permissions);
1303 flags = le16_to_cpu(fe->icbTag.flags); 1392 flags = le16_to_cpu(fe->icbTag.flags);
1304 1393
1305 mode = (( permissions ) & S_IRWXO) | 1394 mode = ((permissions) & S_IRWXO) |
1306 (( permissions >> 2 ) & S_IRWXG) | 1395 ((permissions >> 2) & S_IRWXG) |
1307 (( permissions >> 4 ) & S_IRWXU) | 1396 ((permissions >> 4) & S_IRWXU) |
1308 (( flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | 1397 ((flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) |
1309 (( flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | 1398 ((flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) |
1310 (( flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); 1399 ((flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0);
1311 1400
1312 return mode; 1401 return mode;
1313} 1402}
@@ -1355,8 +1444,11 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1355 kernel_timestamp cpu_time; 1444 kernel_timestamp cpu_time;
1356 int err = 0; 1445 int err = 0;
1357 struct udf_sb_info *sbi = UDF_SB(inode->i_sb); 1446 struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
1447 unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
1358 1448
1359 bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0)); 1449 bh = udf_tread(inode->i_sb,
1450 udf_get_lb_pblock(inode->i_sb,
1451 UDF_I_LOCATION(inode), 0));
1360 if (!bh) { 1452 if (!bh) {
1361 udf_debug("bread failure\n"); 1453 udf_debug("bread failure\n");
1362 return -EIO; 1454 return -EIO;
@@ -1372,18 +1464,24 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1372 (struct unallocSpaceEntry *)bh->b_data; 1464 (struct unallocSpaceEntry *)bh->b_data;
1373 1465
1374 use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode)); 1466 use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
1375 memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode), 1467 memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
1376 inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); 1468 UDF_I_DATA(inode), inode->i_sb->s_blocksize -
1377 crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag); 1469 sizeof(struct unallocSpaceEntry));
1378 use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); 1470 crclen = sizeof(struct unallocSpaceEntry) +
1471 UDF_I_LENALLOC(inode) - sizeof(tag);
1472 use->descTag.tagLocation = cpu_to_le32(
1473 UDF_I_LOCATION(inode).
1474 logicalBlockNum);
1379 use->descTag.descCRCLength = cpu_to_le16(crclen); 1475 use->descTag.descCRCLength = cpu_to_le16(crclen);
1380 use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0)); 1476 use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use +
1477 sizeof(tag), crclen,
1478 0));
1381 1479
1382 use->descTag.tagChecksum = 0; 1480 use->descTag.tagChecksum = 0;
1383 for (i = 0; i < 16; i++) { 1481 for (i = 0; i < 16; i++)
1384 if (i != 4) 1482 if (i != 4)
1385 use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; 1483 use->descTag.tagChecksum +=
1386 } 1484 ((uint8_t *)&(use->descTag))[i];
1387 1485
1388 mark_buffer_dirty(bh); 1486 mark_buffer_dirty(bh);
1389 brelse(bh); 1487 brelse(bh);
@@ -1400,14 +1498,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1400 else 1498 else
1401 fe->gid = cpu_to_le32(inode->i_gid); 1499 fe->gid = cpu_to_le32(inode->i_gid);
1402 1500
1403 udfperms = ((inode->i_mode & S_IRWXO) ) | 1501 udfperms = ((inode->i_mode & S_IRWXO)) |
1404 ((inode->i_mode & S_IRWXG) << 2) | 1502 ((inode->i_mode & S_IRWXG) << 2) |
1405 ((inode->i_mode & S_IRWXU) << 4); 1503 ((inode->i_mode & S_IRWXU) << 4);
1406 1504
1407 udfperms |= (le32_to_cpu(fe->permissions) & 1505 udfperms |= (le32_to_cpu(fe->permissions) &
1408 (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | 1506 (FE_PERM_O_DELETE | FE_PERM_O_CHATTR |
1409 FE_PERM_G_DELETE | FE_PERM_G_CHATTR | 1507 FE_PERM_G_DELETE | FE_PERM_G_CHATTR |
1410 FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); 1508 FE_PERM_U_DELETE | FE_PERM_U_CHATTR));
1411 fe->permissions = cpu_to_le32(udfperms); 1509 fe->permissions = cpu_to_le32(udfperms);
1412 1510
1413 if (S_ISDIR(inode->i_mode)) 1511 if (S_ISDIR(inode->i_mode))
@@ -1428,8 +1526,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1428 sizeof(regid), 12, 0x3); 1526 sizeof(regid), 12, 0x3);
1429 dsea->attrType = cpu_to_le32(12); 1527 dsea->attrType = cpu_to_le32(12);
1430 dsea->attrSubtype = 1; 1528 dsea->attrSubtype = 1;
1431 dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) + 1529 dsea->attrLength = cpu_to_le32(
1432 sizeof(regid)); 1530 sizeof(struct deviceSpec) +
1531 sizeof(regid));
1433 dsea->impUseLength = cpu_to_le32(sizeof(regid)); 1532 dsea->impUseLength = cpu_to_le32(sizeof(regid));
1434 } 1533 }
1435 eid = (regid *)dsea->impUse; 1534 eid = (regid *)dsea->impUse;
@@ -1445,8 +1544,8 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1445 memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode), 1544 memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode),
1446 inode->i_sb->s_blocksize - sizeof(struct fileEntry)); 1545 inode->i_sb->s_blocksize - sizeof(struct fileEntry));
1447 fe->logicalBlocksRecorded = cpu_to_le64( 1546 fe->logicalBlocksRecorded = cpu_to_le64(
1448 (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> 1547 (inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
1449 (inode->i_sb->s_blocksize_bits - 9)); 1548 (blocksize_bits - 9));
1450 1549
1451 if (udf_time_to_stamp(&cpu_time, inode->i_atime)) 1550 if (udf_time_to_stamp(&cpu_time, inode->i_atime))
1452 fe->accessTime = cpu_to_lets(cpu_time); 1551 fe->accessTime = cpu_to_lets(cpu_time);
@@ -1464,28 +1563,29 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1464 fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE); 1563 fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
1465 crclen = sizeof(struct fileEntry); 1564 crclen = sizeof(struct fileEntry);
1466 } else { 1565 } else {
1467 memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode), 1566 memcpy(bh->b_data + sizeof(struct extendedFileEntry),
1468 inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); 1567 UDF_I_DATA(inode),
1568 inode->i_sb->s_blocksize -
1569 sizeof(struct extendedFileEntry));
1469 efe->objectSize = cpu_to_le64(inode->i_size); 1570 efe->objectSize = cpu_to_le64(inode->i_size);
1470 efe->logicalBlocksRecorded = cpu_to_le64( 1571 efe->logicalBlocksRecorded = cpu_to_le64(
1471 (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> 1572 (inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
1472 (inode->i_sb->s_blocksize_bits - 9)); 1573 (blocksize_bits - 9));
1473 1574
1474 if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec || 1575 if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec ||
1475 (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec && 1576 (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
1476 UDF_I_CRTIME(inode).tv_nsec > inode->i_atime.tv_nsec)) { 1577 UDF_I_CRTIME(inode).tv_nsec > inode->i_atime.tv_nsec))
1477 UDF_I_CRTIME(inode) = inode->i_atime; 1578 UDF_I_CRTIME(inode) = inode->i_atime;
1478 } 1579
1479 if (UDF_I_CRTIME(inode).tv_sec > inode->i_mtime.tv_sec || 1580 if (UDF_I_CRTIME(inode).tv_sec > inode->i_mtime.tv_sec ||
1480 (UDF_I_CRTIME(inode).tv_sec == inode->i_mtime.tv_sec && 1581 (UDF_I_CRTIME(inode).tv_sec == inode->i_mtime.tv_sec &&
1481 UDF_I_CRTIME(inode).tv_nsec > inode->i_mtime.tv_nsec)) { 1582 UDF_I_CRTIME(inode).tv_nsec > inode->i_mtime.tv_nsec))
1482 UDF_I_CRTIME(inode) = inode->i_mtime; 1583 UDF_I_CRTIME(inode) = inode->i_mtime;
1483 } 1584
1484 if (UDF_I_CRTIME(inode).tv_sec > inode->i_ctime.tv_sec || 1585 if (UDF_I_CRTIME(inode).tv_sec > inode->i_ctime.tv_sec ||
1485 (UDF_I_CRTIME(inode).tv_sec == inode->i_ctime.tv_sec && 1586 (UDF_I_CRTIME(inode).tv_sec == inode->i_ctime.tv_sec &&
1486 UDF_I_CRTIME(inode).tv_nsec > inode->i_ctime.tv_nsec)) { 1587 UDF_I_CRTIME(inode).tv_nsec > inode->i_ctime.tv_nsec))
1487 UDF_I_CRTIME(inode) = inode->i_ctime; 1588 UDF_I_CRTIME(inode) = inode->i_ctime;
1488 }
1489 1589
1490 if (udf_time_to_stamp(&cpu_time, inode->i_atime)) 1590 if (udf_time_to_stamp(&cpu_time, inode->i_atime))
1491 efe->accessTime = cpu_to_lets(cpu_time); 1591 efe->accessTime = cpu_to_lets(cpu_time);
@@ -1544,24 +1644,27 @@ static int udf_update_inode(struct inode *inode, int do_sync)
1544 else 1644 else
1545 fe->descTag.descVersion = cpu_to_le16(2); 1645 fe->descTag.descVersion = cpu_to_le16(2);
1546 fe->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number); 1646 fe->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number);
1547 fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); 1647 fe->descTag.tagLocation = cpu_to_le32(
1648 UDF_I_LOCATION(inode).logicalBlockNum);
1548 crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag); 1649 crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag);
1549 fe->descTag.descCRCLength = cpu_to_le16(crclen); 1650 fe->descTag.descCRCLength = cpu_to_le16(crclen);
1550 fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0)); 1651 fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag),
1652 crclen, 0));
1551 1653
1552 fe->descTag.tagChecksum = 0; 1654 fe->descTag.tagChecksum = 0;
1553 for (i = 0; i < 16; i++) { 1655 for (i = 0; i < 16; i++)
1554 if (i != 4) 1656 if (i != 4)
1555 fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i]; 1657 fe->descTag.tagChecksum +=
1556 } 1658 ((uint8_t *)&(fe->descTag))[i];
1557 1659
1558 /* write the data blocks */ 1660 /* write the data blocks */
1559 mark_buffer_dirty(bh); 1661 mark_buffer_dirty(bh);
1560 if (do_sync) { 1662 if (do_sync) {
1561 sync_dirty_buffer(bh); 1663 sync_dirty_buffer(bh);
1562 if (buffer_req(bh) && !buffer_uptodate(bh)) { 1664 if (buffer_req(bh) && !buffer_uptodate(bh)) {
1563 printk("IO error syncing udf inode [%s:%08lx]\n", 1665 printk(KERN_WARNING "IO error syncing udf inode "
1564 inode->i_sb->s_id, inode->i_ino); 1666 "[%s:%08lx]\n", inode->i_sb->s_id,
1667 inode->i_ino);
1565 err = -EIO; 1668 err = -EIO;
1566 } 1669 }
1567 } 1670 }
@@ -1587,7 +1690,8 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
1587 if (is_bad_inode(inode)) 1690 if (is_bad_inode(inode))
1588 goto out_iput; 1691 goto out_iput;
1589 1692
1590 if (ino.logicalBlockNum >= UDF_SB(sb)->s_partmaps[ino.partitionReferenceNum].s_partition_len) { 1693 if (ino.logicalBlockNum >= UDF_SB(sb)->
1694 s_partmaps[ino.partitionReferenceNum].s_partition_len) {
1591 udf_debug("block=%d, partition=%d out of range\n", 1695 udf_debug("block=%d, partition=%d out of range\n",
1592 ino.logicalBlockNum, ino.partitionReferenceNum); 1696 ino.logicalBlockNum, ino.partitionReferenceNum);
1593 make_bad_inode(inode); 1697 make_bad_inode(inode);
@@ -1601,7 +1705,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
1601 return NULL; 1705 return NULL;
1602} 1706}
1603 1707
1604int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, 1708int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
1605 kernel_lb_addr eloc, uint32_t elen, int inc) 1709 kernel_lb_addr eloc, uint32_t elen, int inc)
1606{ 1710{
1607 int adsize; 1711 int adsize;
@@ -1612,7 +1716,9 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1612 uint8_t *ptr; 1716 uint8_t *ptr;
1613 1717
1614 if (!epos->bh) 1718 if (!epos->bh)
1615 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); 1719 ptr = UDF_I_DATA(inode) + epos->offset -
1720 udf_file_entry_alloc_offset(inode) +
1721 UDF_I_LENEATTR(inode);
1616 else 1722 else
1617 ptr = epos->bh->b_data + epos->offset; 1723 ptr = epos->bh->b_data + epos->offset;
1618 1724
@@ -1629,15 +1735,16 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1629 int err, loffset; 1735 int err, loffset;
1630 kernel_lb_addr obloc = epos->block; 1736 kernel_lb_addr obloc = epos->block;
1631 1737
1632 if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL, 1738 epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,
1633 obloc.partitionReferenceNum, 1739 obloc.partitionReferenceNum,
1634 obloc.logicalBlockNum, &err))) { 1740 obloc.logicalBlockNum, &err);
1741 if (!epos->block.logicalBlockNum)
1635 return -1; 1742 return -1;
1636 } 1743 nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
1637 if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, 1744 epos->block,
1638 epos->block, 0)))) { 1745 0));
1746 if (!nbh)
1639 return -1; 1747 return -1;
1640 }
1641 lock_buffer(nbh); 1748 lock_buffer(nbh);
1642 memset(nbh->b_data, 0x00, inode->i_sb->s_blocksize); 1749 memset(nbh->b_data, 0x00, inode->i_sb->s_blocksize);
1643 set_buffer_uptodate(nbh); 1750 set_buffer_uptodate(nbh);
@@ -1646,7 +1753,8 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1646 1753
1647 aed = (struct allocExtDesc *)(nbh->b_data); 1754 aed = (struct allocExtDesc *)(nbh->b_data);
1648 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) 1755 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
1649 aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); 1756 aed->previousAllocExtLocation =
1757 cpu_to_le32(obloc.logicalBlockNum);
1650 if (epos->offset + adsize > inode->i_sb->s_blocksize) { 1758 if (epos->offset + adsize > inode->i_sb->s_blocksize) {
1651 loffset = epos->offset; 1759 loffset = epos->offset;
1652 aed->lengthAllocDescs = cpu_to_le32(adsize); 1760 aed->lengthAllocDescs = cpu_to_le32(adsize);
@@ -1663,7 +1771,8 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1663 if (epos->bh) { 1771 if (epos->bh) {
1664 aed = (struct allocExtDesc *)epos->bh->b_data; 1772 aed = (struct allocExtDesc *)epos->bh->b_data;
1665 aed->lengthAllocDescs = 1773 aed->lengthAllocDescs =
1666 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); 1774 cpu_to_le32(le32_to_cpu(
1775 aed->lengthAllocDescs) + adsize);
1667 } else { 1776 } else {
1668 UDF_I_LENALLOC(inode) += adsize; 1777 UDF_I_LENALLOC(inode) += adsize;
1669 mark_inode_dirty(inode); 1778 mark_inode_dirty(inode);
@@ -1680,7 +1789,8 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1680 sad = (short_ad *)sptr; 1789 sad = (short_ad *)sptr;
1681 sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | 1790 sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
1682 inode->i_sb->s_blocksize); 1791 inode->i_sb->s_blocksize);
1683 sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); 1792 sad->extPosition =
1793 cpu_to_le32(epos->block.logicalBlockNum);
1684 break; 1794 break;
1685 case ICBTAG_FLAG_AD_LONG: 1795 case ICBTAG_FLAG_AD_LONG:
1686 lad = (long_ad *)sptr; 1796 lad = (long_ad *)sptr;
@@ -1695,7 +1805,8 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1695 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) 1805 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
1696 udf_update_tag(epos->bh->b_data, loffset); 1806 udf_update_tag(epos->bh->b_data, loffset);
1697 else 1807 else
1698 udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); 1808 udf_update_tag(epos->bh->b_data,
1809 sizeof(struct allocExtDesc));
1699 mark_buffer_dirty_inode(epos->bh, inode); 1810 mark_buffer_dirty_inode(epos->bh, inode);
1700 brelse(epos->bh); 1811 brelse(epos->bh);
1701 } else { 1812 } else {
@@ -1712,18 +1823,22 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
1712 } else { 1823 } else {
1713 aed = (struct allocExtDesc *)epos->bh->b_data; 1824 aed = (struct allocExtDesc *)epos->bh->b_data;
1714 aed->lengthAllocDescs = 1825 aed->lengthAllocDescs =
1715 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); 1826 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) +
1716 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) 1827 adsize);
1717 udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); 1828 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1829 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
1830 udf_update_tag(epos->bh->b_data,
1831 epos->offset + (inc ? 0 : adsize));
1718 else 1832 else
1719 udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); 1833 udf_update_tag(epos->bh->b_data,
1834 sizeof(struct allocExtDesc));
1720 mark_buffer_dirty_inode(epos->bh, inode); 1835 mark_buffer_dirty_inode(epos->bh, inode);
1721 } 1836 }
1722 1837
1723 return etype; 1838 return etype;
1724} 1839}
1725 1840
1726int8_t udf_write_aext(struct inode * inode, struct extent_position * epos, 1841int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
1727 kernel_lb_addr eloc, uint32_t elen, int inc) 1842 kernel_lb_addr eloc, uint32_t elen, int inc)
1728{ 1843{
1729 int adsize; 1844 int adsize;
@@ -1732,7 +1847,9 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
1732 long_ad *lad; 1847 long_ad *lad;
1733 1848
1734 if (!epos->bh) 1849 if (!epos->bh)
1735 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); 1850 ptr = UDF_I_DATA(inode) + epos->offset -
1851 udf_file_entry_alloc_offset(inode) +
1852 UDF_I_LENEATTR(inode);
1736 else 1853 else
1737 ptr = epos->bh->b_data + epos->offset; 1854 ptr = epos->bh->b_data + epos->offset;
1738 1855
@@ -1757,9 +1874,11 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
1757 if (epos->bh) { 1874 if (epos->bh) {
1758 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || 1875 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1759 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) { 1876 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) {
1760 struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; 1877 struct allocExtDesc *aed =
1878 (struct allocExtDesc *)epos->bh->b_data;
1761 udf_update_tag(epos->bh->b_data, 1879 udf_update_tag(epos->bh->b_data,
1762 le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); 1880 le32_to_cpu(aed->lengthAllocDescs) +
1881 sizeof(struct allocExtDesc));
1763 } 1882 }
1764 mark_buffer_dirty_inode(epos->bh, inode); 1883 mark_buffer_dirty_inode(epos->bh, inode);
1765 } else { 1884 } else {
@@ -1772,19 +1891,21 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
1772 return (elen >> 30); 1891 return (elen >> 30);
1773} 1892}
1774 1893
1775int8_t udf_next_aext(struct inode * inode, struct extent_position * epos, 1894int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
1776 kernel_lb_addr * eloc, uint32_t * elen, int inc) 1895 kernel_lb_addr *eloc, uint32_t *elen, int inc)
1777{ 1896{
1778 int8_t etype; 1897 int8_t etype;
1779 1898
1780 while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) == 1899 while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==
1781 (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { 1900 (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
1901 int block;
1782 epos->block = *eloc; 1902 epos->block = *eloc;
1783 epos->offset = sizeof(struct allocExtDesc); 1903 epos->offset = sizeof(struct allocExtDesc);
1784 brelse(epos->bh); 1904 brelse(epos->bh);
1785 if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) { 1905 block = udf_get_lb_pblock(inode->i_sb, epos->block, 0);
1786 udf_debug("reading block %d failed!\n", 1906 epos->bh = udf_tread(inode->i_sb, block);
1787 udf_get_lb_pblock(inode->i_sb, epos->block, 0)); 1907 if (!epos->bh) {
1908 udf_debug("reading block %d failed!\n", block);
1788 return -1; 1909 return -1;
1789 } 1910 }
1790 } 1911 }
@@ -1792,8 +1913,8 @@ int8_t udf_next_aext(struct inode * inode, struct extent_position * epos,
1792 return etype; 1913 return etype;
1793} 1914}
1794 1915
1795int8_t udf_current_aext(struct inode * inode, struct extent_position * epos, 1916int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
1796 kernel_lb_addr * eloc, uint32_t * elen, int inc) 1917 kernel_lb_addr *eloc, uint32_t *elen, int inc)
1797{ 1918{
1798 int alen; 1919 int alen;
1799 int8_t etype; 1920 int8_t etype;
@@ -1801,38 +1922,45 @@ int8_t udf_current_aext(struct inode * inode, struct extent_position * epos,
1801 short_ad *sad; 1922 short_ad *sad;
1802 long_ad *lad; 1923 long_ad *lad;
1803 1924
1804
1805 if (!epos->bh) { 1925 if (!epos->bh) {
1806 if (!epos->offset) 1926 if (!epos->offset)
1807 epos->offset = udf_file_entry_alloc_offset(inode); 1927 epos->offset = udf_file_entry_alloc_offset(inode);
1808 ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); 1928 ptr = UDF_I_DATA(inode) + epos->offset -
1809 alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); 1929 udf_file_entry_alloc_offset(inode) +
1930 UDF_I_LENEATTR(inode);
1931 alen = udf_file_entry_alloc_offset(inode) +
1932 UDF_I_LENALLOC(inode);
1810 } else { 1933 } else {
1811 if (!epos->offset) 1934 if (!epos->offset)
1812 epos->offset = sizeof(struct allocExtDesc); 1935 epos->offset = sizeof(struct allocExtDesc);
1813 ptr = epos->bh->b_data + epos->offset; 1936 ptr = epos->bh->b_data + epos->offset;
1814 alen = sizeof(struct allocExtDesc) + 1937 alen = sizeof(struct allocExtDesc) +
1815 le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); 1938 le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->
1939 lengthAllocDescs);
1816 } 1940 }
1817 1941
1818 switch (UDF_I_ALLOCTYPE(inode)) { 1942 switch (UDF_I_ALLOCTYPE(inode)) {
1819 case ICBTAG_FLAG_AD_SHORT: 1943 case ICBTAG_FLAG_AD_SHORT:
1820 if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) 1944 sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);
1945 if (!sad)
1821 return -1; 1946 return -1;
1822 etype = le32_to_cpu(sad->extLength) >> 30; 1947 etype = le32_to_cpu(sad->extLength) >> 30;
1823 eloc->logicalBlockNum = le32_to_cpu(sad->extPosition); 1948 eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
1824 eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; 1949 eloc->partitionReferenceNum =
1950 UDF_I_LOCATION(inode).partitionReferenceNum;
1825 *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK; 1951 *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
1826 break; 1952 break;
1827 case ICBTAG_FLAG_AD_LONG: 1953 case ICBTAG_FLAG_AD_LONG:
1828 if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) 1954 lad = udf_get_filelongad(ptr, alen, &epos->offset, inc);
1955 if (!lad)
1829 return -1; 1956 return -1;
1830 etype = le32_to_cpu(lad->extLength) >> 30; 1957 etype = le32_to_cpu(lad->extLength) >> 30;
1831 *eloc = lelb_to_cpu(lad->extLocation); 1958 *eloc = lelb_to_cpu(lad->extLocation);
1832 *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK; 1959 *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
1833 break; 1960 break;
1834 default: 1961 default:
1835 udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode)); 1962 udf_debug("alloc_type = %d unsupported\n",
1963 UDF_I_ALLOCTYPE(inode));
1836 return -1; 1964 return -1;
1837 } 1965 }
1838 1966
@@ -1860,7 +1988,7 @@ static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
1860 return (nelen >> 30); 1988 return (nelen >> 30);
1861} 1989}
1862 1990
1863int8_t udf_delete_aext(struct inode * inode, struct extent_position epos, 1991int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
1864 kernel_lb_addr eloc, uint32_t elen) 1992 kernel_lb_addr eloc, uint32_t elen)
1865{ 1993{
1866 struct extent_position oepos; 1994 struct extent_position oepos;
@@ -1907,12 +2035,15 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
1907 } else { 2035 } else {
1908 aed = (struct allocExtDesc *)oepos.bh->b_data; 2036 aed = (struct allocExtDesc *)oepos.bh->b_data;
1909 aed->lengthAllocDescs = 2037 aed->lengthAllocDescs =
1910 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize)); 2038 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
2039 (2 * adsize));
1911 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || 2040 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1912 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) 2041 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
1913 udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize)); 2042 udf_update_tag(oepos.bh->b_data,
2043 oepos.offset - (2 * adsize));
1914 else 2044 else
1915 udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); 2045 udf_update_tag(oepos.bh->b_data,
2046 sizeof(struct allocExtDesc));
1916 mark_buffer_dirty_inode(oepos.bh, inode); 2047 mark_buffer_dirty_inode(oepos.bh, inode);
1917 } 2048 }
1918 } else { 2049 } else {
@@ -1923,12 +2054,15 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
1923 } else { 2054 } else {
1924 aed = (struct allocExtDesc *)oepos.bh->b_data; 2055 aed = (struct allocExtDesc *)oepos.bh->b_data;
1925 aed->lengthAllocDescs = 2056 aed->lengthAllocDescs =
1926 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize); 2057 cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
2058 adsize);
1927 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || 2059 if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
1928 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201) 2060 UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
1929 udf_update_tag(oepos.bh->b_data, epos.offset - adsize); 2061 udf_update_tag(oepos.bh->b_data,
2062 epos.offset - adsize);
1930 else 2063 else
1931 udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); 2064 udf_update_tag(oepos.bh->b_data,
2065 sizeof(struct allocExtDesc));
1932 mark_buffer_dirty_inode(oepos.bh, inode); 2066 mark_buffer_dirty_inode(oepos.bh, inode);
1933 } 2067 }
1934 } 2068 }
@@ -1939,12 +2073,13 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
1939 return (elen >> 30); 2073 return (elen >> 30);
1940} 2074}
1941 2075
1942int8_t inode_bmap(struct inode * inode, sector_t block, 2076int8_t inode_bmap(struct inode *inode, sector_t block,
1943 struct extent_position * pos, kernel_lb_addr * eloc, 2077 struct extent_position *pos, kernel_lb_addr *eloc,
1944 uint32_t * elen, sector_t * offset) 2078 uint32_t *elen, sector_t *offset)
1945{ 2079{
2080 unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
1946 loff_t lbcount = 0, bcount = 2081 loff_t lbcount = 0, bcount =
1947 (loff_t) block << inode->i_sb->s_blocksize_bits; 2082 (loff_t) block << blocksize_bits;
1948 int8_t etype; 2083 int8_t etype;
1949 2084
1950 if (block < 0) { 2085 if (block < 0) {
@@ -1958,15 +2093,16 @@ int8_t inode_bmap(struct inode * inode, sector_t block,
1958 *elen = 0; 2093 *elen = 0;
1959 2094
1960 do { 2095 do {
1961 if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { 2096 etype = udf_next_aext(inode, pos, eloc, elen, 1);
1962 *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; 2097 if (etype == -1) {
2098 *offset = (bcount - lbcount) >> blocksize_bits;
1963 UDF_I_LENEXTENTS(inode) = lbcount; 2099 UDF_I_LENEXTENTS(inode) = lbcount;
1964 return -1; 2100 return -1;
1965 } 2101 }
1966 lbcount += *elen; 2102 lbcount += *elen;
1967 } while (lbcount <= bcount); 2103 } while (lbcount <= bcount);
1968 2104
1969 *offset = (bcount + *elen - lbcount) >> inode->i_sb->s_blocksize_bits; 2105 *offset = (bcount + *elen - lbcount) >> blocksize_bits;
1970 2106
1971 return etype; 2107 return etype;
1972} 2108}
@@ -1981,7 +2117,8 @@ long udf_block_map(struct inode *inode, sector_t block)
1981 2117
1982 lock_kernel(); 2118 lock_kernel();
1983 2119
1984 if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) 2120 if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==
2121 (EXT_RECORDED_ALLOCATED >> 30))
1985 ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); 2122 ret = udf_get_lb_pblock(inode->i_sb, eloc, offset);
1986 else 2123 else
1987 ret = 0; 2124 ret = 0;
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 7cecb3098061..a0bf4158f1f1 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -70,71 +70,84 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
70 struct extendedAttrHeaderDesc *eahd; 70 struct extendedAttrHeaderDesc *eahd;
71 eahd = (struct extendedAttrHeaderDesc *)ea; 71 eahd = (struct extendedAttrHeaderDesc *)ea;
72 72
73 if (UDF_I_LENALLOC(inode)) { 73 if (UDF_I_LENALLOC(inode))
74 memmove(&ad[size], ad, UDF_I_LENALLOC(inode)); 74 memmove(&ad[size], ad, UDF_I_LENALLOC(inode));
75 }
76 75
77 if (UDF_I_LENEATTR(inode)) { 76 if (UDF_I_LENEATTR(inode)) {
78 /* check checksum/crc */ 77 /* check checksum/crc */
79 if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || 78 if (le16_to_cpu(eahd->descTag.tagIdent) !=
80 le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { 79 TAG_IDENT_EAHD ||
80 le32_to_cpu(eahd->descTag.tagLocation) !=
81 UDF_I_LOCATION(inode).logicalBlockNum)
81 return NULL; 82 return NULL;
82 }
83 } else { 83 } else {
84 struct udf_sb_info *sbi = UDF_SB(inode->i_sb); 84 struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
85 85
86 size -= sizeof(struct extendedAttrHeaderDesc); 86 size -= sizeof(struct extendedAttrHeaderDesc);
87 UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc); 87 UDF_I_LENEATTR(inode) +=
88 sizeof(struct extendedAttrHeaderDesc);
88 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); 89 eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
89 if (sbi->s_udfrev >= 0x0200) 90 if (sbi->s_udfrev >= 0x0200)
90 eahd->descTag.descVersion = cpu_to_le16(3); 91 eahd->descTag.descVersion = cpu_to_le16(3);
91 else 92 else
92 eahd->descTag.descVersion = cpu_to_le16(2); 93 eahd->descTag.descVersion = cpu_to_le16(2);
93 eahd->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number); 94 eahd->descTag.tagSerialNum =
94 eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); 95 cpu_to_le16(sbi->s_serial_number);
96 eahd->descTag.tagLocation = cpu_to_le32(
97 UDF_I_LOCATION(inode).logicalBlockNum);
95 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); 98 eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF);
96 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); 99 eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF);
97 } 100 }
98 101
99 offset = UDF_I_LENEATTR(inode); 102 offset = UDF_I_LENEATTR(inode);
100 if (type < 2048) { 103 if (type < 2048) {
101 if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { 104 if (le32_to_cpu(eahd->appAttrLocation) <
102 uint32_t aal = le32_to_cpu(eahd->appAttrLocation); 105 UDF_I_LENEATTR(inode)) {
106 uint32_t aal =
107 le32_to_cpu(eahd->appAttrLocation);
103 memmove(&ea[offset - aal + size], 108 memmove(&ea[offset - aal + size],
104 &ea[aal], offset - aal); 109 &ea[aal], offset - aal);
105 offset -= aal; 110 offset -= aal;
106 eahd->appAttrLocation = cpu_to_le32(aal + size); 111 eahd->appAttrLocation =
112 cpu_to_le32(aal + size);
107 } 113 }
108 if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode)) { 114 if (le32_to_cpu(eahd->impAttrLocation) <
109 uint32_t ial = le32_to_cpu(eahd->impAttrLocation); 115 UDF_I_LENEATTR(inode)) {
116 uint32_t ial =
117 le32_to_cpu(eahd->impAttrLocation);
110 memmove(&ea[offset - ial + size], 118 memmove(&ea[offset - ial + size],
111 &ea[ial], offset - ial); 119 &ea[ial], offset - ial);
112 offset -= ial; 120 offset -= ial;
113 eahd->impAttrLocation = cpu_to_le32(ial + size); 121 eahd->impAttrLocation =
122 cpu_to_le32(ial + size);
114 } 123 }
115 } else if (type < 65536) { 124 } else if (type < 65536) {
116 if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { 125 if (le32_to_cpu(eahd->appAttrLocation) <
117 uint32_t aal = le32_to_cpu(eahd->appAttrLocation); 126 UDF_I_LENEATTR(inode)) {
127 uint32_t aal =
128 le32_to_cpu(eahd->appAttrLocation);
118 memmove(&ea[offset - aal + size], 129 memmove(&ea[offset - aal + size],
119 &ea[aal], offset - aal); 130 &ea[aal], offset - aal);
120 offset -= aal; 131 offset -= aal;
121 eahd->appAttrLocation = cpu_to_le32(aal + size); 132 eahd->appAttrLocation =
133 cpu_to_le32(aal + size);
122 } 134 }
123 } 135 }
124 /* rewrite CRC + checksum of eahd */ 136 /* rewrite CRC + checksum of eahd */
125 crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag); 137 crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag);
126 eahd->descTag.descCRCLength = cpu_to_le16(crclen); 138 eahd->descTag.descCRCLength = cpu_to_le16(crclen);
127 eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + 139 eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd +
128 sizeof(tag), crclen, 0)); 140 sizeof(tag), crclen, 0));
129 eahd->descTag.tagChecksum = 0; 141 eahd->descTag.tagChecksum = 0;
130 for (i = 0; i < 16; i++) 142 for (i = 0; i < 16; i++)
131 if (i != 4) 143 if (i != 4)
132 eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i]; 144 eahd->descTag.tagChecksum +=
145 ((uint8_t *)&(eahd->descTag))[i];
133 UDF_I_LENEATTR(inode) += size; 146 UDF_I_LENEATTR(inode) += size;
134 return (struct genericFormat *)&ea[offset]; 147 return (struct genericFormat *)&ea[offset];
135 } 148 }
136 if (loc & 0x02) { 149 if (loc & 0x02)
137 } 150 ;
138 151
139 return NULL; 152 return NULL;
140} 153}
@@ -153,10 +166,11 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
153 eahd = (struct extendedAttrHeaderDesc *)ea; 166 eahd = (struct extendedAttrHeaderDesc *)ea;
154 167
155 /* check checksum/crc */ 168 /* check checksum/crc */
156 if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || 169 if (le16_to_cpu(eahd->descTag.tagIdent) !=
157 le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { 170 TAG_IDENT_EAHD ||
171 le32_to_cpu(eahd->descTag.tagLocation) !=
172 UDF_I_LOCATION(inode).logicalBlockNum)
158 return NULL; 173 return NULL;
159 }
160 174
161 if (type < 2048) 175 if (type < 2048)
162 offset = sizeof(struct extendedAttrHeaderDesc); 176 offset = sizeof(struct extendedAttrHeaderDesc);
@@ -167,7 +181,8 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
167 181
168 while (offset < UDF_I_LENEATTR(inode)) { 182 while (offset < UDF_I_LENEATTR(inode)) {
169 gaf = (struct genericFormat *)&ea[offset]; 183 gaf = (struct genericFormat *)&ea[offset];
170 if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype) 184 if (le32_to_cpu(gaf->attrType) == type &&
185 gaf->attrSubtype == subtype)
171 return gaf; 186 return gaf;
172 else 187 else
173 offset += le32_to_cpu(gaf->attrLength); 188 offset += le32_to_cpu(gaf->attrLength);
@@ -188,7 +203,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
188 * Written, tested, and released. 203 * Written, tested, and released.
189 */ 204 */
190struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, 205struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
191 uint32_t location, uint16_t * ident) 206 uint32_t location, uint16_t *ident)
192{ 207{
193 tag *tag_p; 208 tag *tag_p;
194 struct buffer_head *bh = NULL; 209 struct buffer_head *bh = NULL;
@@ -213,7 +228,8 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
213 228
214 if (location != le32_to_cpu(tag_p->tagLocation)) { 229 if (location != le32_to_cpu(tag_p->tagLocation)) {
215 udf_debug("location mismatch block %u, tag %u != %u\n", 230 udf_debug("location mismatch block %u, tag %u != %u\n",
216 block + sbi->s_session, le32_to_cpu(tag_p->tagLocation), location); 231 block + sbi->s_session,
232 le32_to_cpu(tag_p->tagLocation), location);
217 goto error_out; 233 goto error_out;
218 } 234 }
219 235
@@ -239,9 +255,9 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
239 /* Verify the descriptor CRC */ 255 /* Verify the descriptor CRC */
240 if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize || 256 if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize ||
241 le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag), 257 le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
242 le16_to_cpu(tag_p->descCRCLength), 0)) { 258 le16_to_cpu(tag_p->descCRCLength), 0))
243 return bh; 259 return bh;
244 } 260
245 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", 261 udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
246 block + sbi->s_session, le16_to_cpu(tag_p->descCRC), 262 block + sbi->s_session, le16_to_cpu(tag_p->descCRC),
247 le16_to_cpu(tag_p->descCRCLength)); 263 le16_to_cpu(tag_p->descCRCLength));
@@ -252,7 +268,7 @@ error_out:
252} 268}
253 269
254struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, 270struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc,
255 uint32_t offset, uint16_t * ident) 271 uint32_t offset, uint16_t *ident)
256{ 272{
257 return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset), 273 return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset),
258 loc.logicalBlockNum + offset, ident); 274 loc.logicalBlockNum + offset, ident);
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 86033d92824c..a126950d79e6 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -43,7 +43,7 @@ static inline int udf_match(int len1, const char *name1, int len2,
43 43
44int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, 44int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
45 struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh, 45 struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh,
46 uint8_t * impuse, uint8_t * fileident) 46 uint8_t *impuse, uint8_t *fileident)
47{ 47{
48 uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(tag); 48 uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(tag);
49 uint16_t crc; 49 uint16_t crc;
@@ -68,7 +68,8 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
68 memcpy(fibh->ebh->b_data + offset, impuse, liu); 68 memcpy(fibh->ebh->b_data + offset, impuse, liu);
69 } else { 69 } else {
70 memcpy((uint8_t *)sfi->impUse, impuse, -offset); 70 memcpy((uint8_t *)sfi->impUse, impuse, -offset);
71 memcpy(fibh->ebh->b_data, impuse - offset, liu + offset); 71 memcpy(fibh->ebh->b_data, impuse - offset,
72 liu + offset);
72 } 73 }
73 } 74 }
74 75
@@ -80,8 +81,10 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
80 } else if (offset >= 0) { 81 } else if (offset >= 0) {
81 memcpy(fibh->ebh->b_data + offset, fileident, lfi); 82 memcpy(fibh->ebh->b_data + offset, fileident, lfi);
82 } else { 83 } else {
83 memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset); 84 memcpy((uint8_t *)sfi->fileIdent + liu, fileident,
84 memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset); 85 -offset);
86 memcpy(fibh->ebh->b_data, fileident - offset,
87 lfi + offset);
85 } 88 }
86 } 89 }
87 90
@@ -101,13 +104,19 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
101 104
102 if (fibh->sbh == fibh->ebh) { 105 if (fibh->sbh == fibh->ebh) {
103 crc = udf_crc((uint8_t *)sfi->impUse, 106 crc = udf_crc((uint8_t *)sfi->impUse,
104 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); 107 crclen + sizeof(tag) -
108 sizeof(struct fileIdentDesc), crc);
105 } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) { 109 } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) {
106 crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset, 110 crc = udf_crc(fibh->ebh->b_data +
107 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); 111 sizeof(struct fileIdentDesc) +
112 fibh->soffset,
113 crclen + sizeof(tag) -
114 sizeof(struct fileIdentDesc),
115 crc);
108 } else { 116 } else {
109 crc = udf_crc((uint8_t *)sfi->impUse, 117 crc = udf_crc((uint8_t *)sfi->impUse,
110 -fibh->soffset - sizeof(struct fileIdentDesc), crc); 118 -fibh->soffset - sizeof(struct fileIdentDesc),
119 crc);
111 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc); 120 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc);
112 } 121 }
113 122
@@ -121,7 +130,8 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
121 130
122 cfi->descTag.tagChecksum = checksum; 131 cfi->descTag.tagChecksum = checksum;
123 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) { 132 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) {
124 memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc)); 133 memcpy((uint8_t *)sfi, (uint8_t *)cfi,
134 sizeof(struct fileIdentDesc));
125 } else { 135 } else {
126 memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset); 136 memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset);
127 memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset, 137 memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset,
@@ -159,22 +169,24 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
159 size = (udf_ext0_offset(dir) + dir->i_size) >> 2; 169 size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
160 f_pos = (udf_ext0_offset(dir) >> 2); 170 f_pos = (udf_ext0_offset(dir) >> 2);
161 171
162 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 172 fibh->soffset = fibh->eoffset =
163 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 173 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
174 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
164 fibh->sbh = fibh->ebh = NULL; 175 fibh->sbh = fibh->ebh = NULL;
165 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 176 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
166 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 177 &epos, &eloc, &elen, &offset) ==
178 (EXT_RECORDED_ALLOCATED >> 30)) {
167 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 179 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
168 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 180 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
169 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 181 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
170 epos.offset -= sizeof(short_ad); 182 epos.offset -= sizeof(short_ad);
171 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 183 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
172 epos.offset -= sizeof(long_ad); 184 epos.offset -= sizeof(long_ad);
173 } else { 185 } else
174 offset = 0; 186 offset = 0;
175 }
176 187
177 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 188 fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
189 if (!fibh->sbh) {
178 brelse(epos.bh); 190 brelse(epos.bh);
179 return NULL; 191 return NULL;
180 } 192 }
@@ -202,14 +214,18 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
202 } else { 214 } else {
203 int poffset; /* Unpaded ending offset */ 215 int poffset; /* Unpaded ending offset */
204 216
205 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; 217 poffset = fibh->soffset + sizeof(struct fileIdentDesc) +
218 liu + lfi;
206 219
207 if (poffset >= lfi) { 220 if (poffset >= lfi)
208 nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi); 221 nameptr = (uint8_t *)(fibh->ebh->b_data +
209 } else { 222 poffset - lfi);
223 else {
210 nameptr = fname; 224 nameptr = fname;
211 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); 225 memcpy(nameptr, fi->fileIdent + liu,
212 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); 226 lfi - poffset);
227 memcpy(nameptr + lfi - poffset,
228 fibh->ebh->b_data, poffset);
213 } 229 }
214 } 230 }
215 231
@@ -226,11 +242,11 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
226 if (!lfi) 242 if (!lfi)
227 continue; 243 continue;
228 244
229 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) { 245 flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
230 if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { 246 if (flen && udf_match(flen, fname, dentry->d_name.len,
231 brelse(epos.bh); 247 dentry->d_name.name)) {
232 return fi; 248 brelse(epos.bh);
233 } 249 return fi;
234 } 250 }
235 } 251 }
236 252
@@ -291,16 +307,16 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
291 if (!strncmp(dentry->d_name.name, ".B=", 3)) { 307 if (!strncmp(dentry->d_name.name, ".B=", 3)) {
292 kernel_lb_addr lb = { 308 kernel_lb_addr lb = {
293 .logicalBlockNum = 0, 309 .logicalBlockNum = 0,
294 .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3, 310 .partitionReferenceNum =
295 NULL, 0), 311 simple_strtoul(dentry->d_name.name + 3,
312 NULL, 0),
296 }; 313 };
297 inode = udf_iget(dir->i_sb, lb); 314 inode = udf_iget(dir->i_sb, lb);
298 if (!inode) { 315 if (!inode) {
299 unlock_kernel(); 316 unlock_kernel();
300 return ERR_PTR(-EACCES); 317 return ERR_PTR(-EACCES);
301 } 318 }
302 } 319 } else
303 else
304#endif /* UDF_RECOVERY */ 320#endif /* UDF_RECOVERY */
305 321
306 if (udf_find_entry(dir, dentry, &fibh, &cfi)) { 322 if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
@@ -347,8 +363,9 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
347 *err = -EINVAL; 363 *err = -EINVAL;
348 return NULL; 364 return NULL;
349 } 365 }
350 if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name, 366 namelen = udf_put_filename(sb, dentry->d_name.name, name,
351 dentry->d_name.len))) { 367 dentry->d_name.len);
368 if (!namelen) {
352 *err = -ENAMETOOLONG; 369 *err = -ENAMETOOLONG;
353 return NULL; 370 return NULL;
354 } 371 }
@@ -360,22 +377,24 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
360 377
361 f_pos = (udf_ext0_offset(dir) >> 2); 378 f_pos = (udf_ext0_offset(dir) >> 2);
362 379
363 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 380 fibh->soffset = fibh->eoffset =
364 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 381 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
382 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
365 fibh->sbh = fibh->ebh = NULL; 383 fibh->sbh = fibh->ebh = NULL;
366 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 384 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
367 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 385 &epos, &eloc, &elen, &offset) ==
386 (EXT_RECORDED_ALLOCATED >> 30)) {
368 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 387 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
369 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 388 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
370 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 389 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
371 epos.offset -= sizeof(short_ad); 390 epos.offset -= sizeof(short_ad);
372 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 391 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
373 epos.offset -= sizeof(long_ad); 392 epos.offset -= sizeof(long_ad);
374 } else { 393 } else
375 offset = 0; 394 offset = 0;
376 }
377 395
378 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 396 fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
397 if (!fibh->sbh) {
379 brelse(epos.bh); 398 brelse(epos.bh);
380 *err = -EIO; 399 *err = -EIO;
381 return NULL; 400 return NULL;
@@ -406,33 +425,39 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
406 liu = le16_to_cpu(cfi->lengthOfImpUse); 425 liu = le16_to_cpu(cfi->lengthOfImpUse);
407 lfi = cfi->lengthFileIdent; 426 lfi = cfi->lengthFileIdent;
408 427
409 if (fibh->sbh == fibh->ebh) { 428 if (fibh->sbh == fibh->ebh)
410 nameptr = fi->fileIdent + liu; 429 nameptr = fi->fileIdent + liu;
411 } else { 430 else {
412 int poffset; /* Unpaded ending offset */ 431 int poffset; /* Unpaded ending offset */
413 432
414 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; 433 poffset = fibh->soffset + sizeof(struct fileIdentDesc) +
434 liu + lfi;
415 435
416 if (poffset >= lfi) { 436 if (poffset >= lfi)
417 nameptr = (char *)(fibh->ebh->b_data + poffset - lfi); 437 nameptr = (char *)(fibh->ebh->b_data +
418 } else { 438 poffset - lfi);
439 else {
419 nameptr = fname; 440 nameptr = fname;
420 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); 441 memcpy(nameptr, fi->fileIdent + liu,
421 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); 442 lfi - poffset);
443 memcpy(nameptr + lfi - poffset,
444 fibh->ebh->b_data, poffset);
422 } 445 }
423 } 446 }
424 447
425 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { 448 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
426 if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { 449 if (((sizeof(struct fileIdentDesc) +
450 liu + lfi + 3) & ~3) == nfidlen) {
427 brelse(epos.bh); 451 brelse(epos.bh);
428 cfi->descTag.tagSerialNum = cpu_to_le16(1); 452 cfi->descTag.tagSerialNum = cpu_to_le16(1);
429 cfi->fileVersionNum = cpu_to_le16(1); 453 cfi->fileVersionNum = cpu_to_le16(1);
430 cfi->fileCharacteristics = 0; 454 cfi->fileCharacteristics = 0;
431 cfi->lengthFileIdent = namelen; 455 cfi->lengthFileIdent = namelen;
432 cfi->lengthOfImpUse = cpu_to_le16(0); 456 cfi->lengthOfImpUse = cpu_to_le16(0);
433 if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { 457 if (!udf_write_fi(dir, cfi, fi, fibh, NULL,
458 name))
434 return fi; 459 return fi;
435 } else { 460 else {
436 *err = -EIO; 461 *err = -EIO;
437 return NULL; 462 return NULL;
438 } 463 }
@@ -442,8 +467,9 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
442 if (!lfi || !dentry) 467 if (!lfi || !dentry)
443 continue; 468 continue;
444 469
445 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) && 470 flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
446 udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { 471 if (flen && udf_match(flen, fname, dentry->d_name.len,
472 dentry->d_name.name)) {
447 if (fibh->sbh != fibh->ebh) 473 if (fibh->sbh != fibh->ebh)
448 brelse(fibh->ebh); 474 brelse(fibh->ebh);
449 brelse(fibh->sbh); 475 brelse(fibh->sbh);
@@ -466,11 +492,14 @@ add:
466 if (fibh->sbh != fibh->ebh) 492 if (fibh->sbh != fibh->ebh)
467 brelse(fibh->ebh); 493 brelse(fibh->ebh);
468 brelse(fibh->sbh); 494 brelse(fibh->sbh);
469 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 if (!fibh->sbh)
470 return NULL; 498 return NULL;
471 epos.block = UDF_I_LOCATION(dir); 499 epos.block = UDF_I_LOCATION(dir);
472 eloc.logicalBlockNum = block; 500 eloc.logicalBlockNum = block;
473 eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; 501 eloc.partitionReferenceNum =
502 UDF_I_LOCATION(dir).partitionReferenceNum;
474 elen = dir->i_sb->s_blocksize; 503 elen = dir->i_sb->s_blocksize;
475 epos.offset = udf_file_entry_alloc_offset(dir); 504 epos.offset = udf_file_entry_alloc_offset(dir);
476 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 505 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
@@ -489,13 +518,16 @@ add:
489 518
490 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 519 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
491 block = UDF_I_LOCATION(dir).logicalBlockNum; 520 block = UDF_I_LOCATION(dir).logicalBlockNum;
492 fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset - 521 fi = (struct fileIdentDesc *)
493 udf_ext0_offset(dir) + 522 (UDF_I_DATA(dir) + fibh->soffset -
494 UDF_I_LENEATTR(dir)); 523 udf_ext0_offset(dir) +
524 UDF_I_LENEATTR(dir));
495 } else { 525 } else {
496 block = eloc.logicalBlockNum + ((elen - 1) >> 526 block = eloc.logicalBlockNum +
497 dir->i_sb->s_blocksize_bits); 527 ((elen - 1) >>
498 fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset); 528 dir->i_sb->s_blocksize_bits);
529 fi = (struct fileIdentDesc *)
530 (fibh->sbh->b_data + fibh->soffset);
499 } 531 }
500 } else { 532 } else {
501 fibh->soffset = fibh->eoffset - sb->s_blocksize; 533 fibh->soffset = fibh->eoffset - sb->s_blocksize;
@@ -507,7 +539,9 @@ add:
507 539
508 block = eloc.logicalBlockNum + ((elen - 1) >> 540 block = eloc.logicalBlockNum + ((elen - 1) >>
509 dir->i_sb->s_blocksize_bits); 541 dir->i_sb->s_blocksize_bits);
510 fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err); 542 fibh->ebh = udf_bread(dir,
543 f_pos >> (dir->i_sb->s_blocksize_bits - 2),
544 1, err);
511 if (!fibh->ebh) { 545 if (!fibh->ebh) {
512 brelse(epos.bh); 546 brelse(epos.bh);
513 brelse(fibh->sbh); 547 brelse(fibh->sbh);
@@ -519,24 +553,26 @@ add:
519 (EXT_RECORDED_ALLOCATED >> 30)) { 553 (EXT_RECORDED_ALLOCATED >> 30)) {
520 block = eloc.logicalBlockNum + ((elen - 1) >> 554 block = eloc.logicalBlockNum + ((elen - 1) >>
521 dir->i_sb->s_blocksize_bits); 555 dir->i_sb->s_blocksize_bits);
522 } else { 556 } else
523 block++; 557 block++;
524 }
525 558
526 brelse(fibh->sbh); 559 brelse(fibh->sbh);
527 fibh->sbh = fibh->ebh; 560 fibh->sbh = fibh->ebh;
528 fi = (struct fileIdentDesc *)(fibh->sbh->b_data); 561 fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
529 } else { 562 } else {
530 fi = (struct fileIdentDesc *) 563 fi = (struct fileIdentDesc *)
531 (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset); 564 (fibh->sbh->b_data + sb->s_blocksize +
565 fibh->soffset);
532 } 566 }
533 } 567 }
534 568
535 memset(cfi, 0, sizeof(struct fileIdentDesc)); 569 memset(cfi, 0, sizeof(struct fileIdentDesc));
536 if (UDF_SB(sb)->s_udfrev >= 0x0200) 570 if (UDF_SB(sb)->s_udfrev >= 0x0200)
537 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag)); 571 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block,
572 sizeof(tag));
538 else 573 else
539 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag)); 574 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block,
575 sizeof(tag));
540 cfi->fileVersionNum = cpu_to_le16(1); 576 cfi->fileVersionNum = cpu_to_le16(1);
541 cfi->lengthFileIdent = namelen; 577 cfi->lengthFileIdent = namelen;
542 cfi->lengthOfImpUse = cpu_to_le16(0); 578 cfi->lengthOfImpUse = cpu_to_le16(0);
@@ -593,7 +629,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
593 inode->i_mode = mode; 629 inode->i_mode = mode;
594 mark_inode_dirty(inode); 630 mark_inode_dirty(inode);
595 631
596 if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) { 632 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
633 if (!fi) {
597 inode->i_nlink--; 634 inode->i_nlink--;
598 mark_inode_dirty(inode); 635 mark_inode_dirty(inode);
599 iput(inode); 636 iput(inode);
@@ -605,9 +642,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
605 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 642 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
606 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 643 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
607 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 644 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
608 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 645 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
609 mark_inode_dirty(dir); 646 mark_inode_dirty(dir);
610 }
611 if (fibh.sbh != fibh.ebh) 647 if (fibh.sbh != fibh.ebh)
612 brelse(fibh.ebh); 648 brelse(fibh.ebh);
613 brelse(fibh.sbh); 649 brelse(fibh.sbh);
@@ -636,7 +672,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
636 672
637 inode->i_uid = current->fsuid; 673 inode->i_uid = current->fsuid;
638 init_special_inode(inode, mode, rdev); 674 init_special_inode(inode, mode, rdev);
639 if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) { 675 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
676 if (!fi) {
640 inode->i_nlink--; 677 inode->i_nlink--;
641 mark_inode_dirty(inode); 678 mark_inode_dirty(inode);
642 iput(inode); 679 iput(inode);
@@ -648,9 +685,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
648 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 685 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
649 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 686 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
650 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 687 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
651 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 688 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
652 mark_inode_dirty(dir); 689 mark_inode_dirty(dir);
653 }
654 mark_inode_dirty(inode); 690 mark_inode_dirty(inode);
655 691
656 if (fibh.sbh != fibh.ebh) 692 if (fibh.sbh != fibh.ebh)
@@ -683,7 +719,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
683 719
684 inode->i_op = &udf_dir_inode_operations; 720 inode->i_op = &udf_dir_inode_operations;
685 inode->i_fop = &udf_dir_operations; 721 inode->i_fop = &udf_dir_operations;
686 if (!(fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err))) { 722 fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err);
723 if (!fi) {
687 inode->i_nlink--; 724 inode->i_nlink--;
688 mark_inode_dirty(inode); 725 mark_inode_dirty(inode);
689 iput(inode); 726 iput(inode);
@@ -694,7 +731,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
694 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir)); 731 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir));
695 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 732 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
696 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); 733 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
697 cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; 734 cfi.fileCharacteristics =
735 FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
698 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); 736 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
699 brelse(fibh.sbh); 737 brelse(fibh.sbh);
700 inode->i_mode = S_IFDIR | mode; 738 inode->i_mode = S_IFDIR | mode;
@@ -702,7 +740,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
702 inode->i_mode |= S_ISGID; 740 inode->i_mode |= S_ISGID;
703 mark_inode_dirty(inode); 741 mark_inode_dirty(inode);
704 742
705 if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) { 743 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
744 if (!fi) {
706 inode->i_nlink = 0; 745 inode->i_nlink = 0;
707 mark_inode_dirty(inode); 746 mark_inode_dirty(inode);
708 iput(inode); 747 iput(inode);
@@ -741,23 +780,25 @@ static int empty_dir(struct inode *dir)
741 780
742 f_pos = (udf_ext0_offset(dir) >> 2); 781 f_pos = (udf_ext0_offset(dir) >> 2);
743 782
744 fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 783 fibh.soffset = fibh.eoffset =
784 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
745 785
746 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 786 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
747 fibh.sbh = fibh.ebh = NULL; 787 fibh.sbh = fibh.ebh = NULL;
748 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 788 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
749 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 789 &epos, &eloc, &elen, &offset) ==
790 (EXT_RECORDED_ALLOCATED >> 30)) {
750 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 791 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
751 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 792 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
752 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 793 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
753 epos.offset -= sizeof(short_ad); 794 epos.offset -= sizeof(short_ad);
754 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 795 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
755 epos.offset -= sizeof(long_ad); 796 epos.offset -= sizeof(long_ad);
756 } else { 797 } else
757 offset = 0; 798 offset = 0;
758 }
759 799
760 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { 800 fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block);
801 if (!fibh.sbh) {
761 brelse(epos.bh); 802 brelse(epos.bh);
762 return 0; 803 return 0;
763 } 804 }
@@ -826,7 +867,8 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
826 clear_nlink(inode); 867 clear_nlink(inode);
827 inode->i_size = 0; 868 inode->i_size = 0;
828 inode_dec_link_count(dir); 869 inode_dec_link_count(dir);
829 inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); 870 inode->i_ctime = dir->i_ctime = dir->i_mtime =
871 current_fs_time(dir->i_sb);
830 mark_inode_dirty(dir); 872 mark_inode_dirty(dir);
831 873
832end_rmdir: 874end_rmdir:
@@ -902,7 +944,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
902 struct buffer_head *bh; 944 struct buffer_head *bh;
903 945
904 lock_kernel(); 946 lock_kernel();
905 if (!(inode = udf_new_inode(dir, S_IFLNK, &err))) 947 inode = udf_new_inode(dir, S_IFLNK, &err);
948 if (!inode)
906 goto out; 949 goto out;
907 950
908 inode->i_mode = S_IFLNK | S_IRWXUGO; 951 inode->i_mode = S_IFLNK | S_IRWXUGO;
@@ -914,22 +957,24 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
914 uint32_t elen; 957 uint32_t elen;
915 958
916 block = udf_new_block(inode->i_sb, inode, 959 block = udf_new_block(inode->i_sb, inode,
917 UDF_I_LOCATION(inode).partitionReferenceNum, 960 UDF_I_LOCATION(inode).partitionReferenceNum,
918 UDF_I_LOCATION(inode).logicalBlockNum, &err); 961 UDF_I_LOCATION(inode).logicalBlockNum, &err);
919 if (!block) 962 if (!block)
920 goto out_no_entry; 963 goto out_no_entry;
921 epos.block = UDF_I_LOCATION(inode); 964 epos.block = UDF_I_LOCATION(inode);
922 epos.offset = udf_file_entry_alloc_offset(inode); 965 epos.offset = udf_file_entry_alloc_offset(inode);
923 epos.bh = NULL; 966 epos.bh = NULL;
924 eloc.logicalBlockNum = block; 967 eloc.logicalBlockNum = block;
925 eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; 968 eloc.partitionReferenceNum =
969 UDF_I_LOCATION(inode).partitionReferenceNum;
926 elen = inode->i_sb->s_blocksize; 970 elen = inode->i_sb->s_blocksize;
927 UDF_I_LENEXTENTS(inode) = elen; 971 UDF_I_LENEXTENTS(inode) = elen;
928 udf_add_aext(inode, &epos, eloc, elen, 0); 972 udf_add_aext(inode, &epos, eloc, elen, 0);
929 brelse(epos.bh); 973 brelse(epos.bh);
930 974
931 block = udf_get_pblock(inode->i_sb, block, 975 block = udf_get_pblock(inode->i_sb, block,
932 UDF_I_LOCATION(inode).partitionReferenceNum, 0); 976 UDF_I_LOCATION(inode).partitionReferenceNum,
977 0);
933 epos.bh = udf_tread(inode->i_sb, block); 978 epos.bh = udf_tread(inode->i_sb, block);
934 lock_buffer(epos.bh); 979 lock_buffer(epos.bh);
935 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); 980 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
@@ -976,7 +1021,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
976 if (compstart[0] == '.') { 1021 if (compstart[0] == '.') {
977 if ((symname - compstart) == 1) 1022 if ((symname - compstart) == 1)
978 pc->componentType = 4; 1023 pc->componentType = 4;
979 else if ((symname - compstart) == 2 && compstart[1] == '.') 1024 else if ((symname - compstart) == 2 &&
1025 compstart[1] == '.')
980 pc->componentType = 3; 1026 pc->componentType = 3;
981 } 1027 }
982 1028
@@ -986,7 +1032,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
986 if (!namelen) 1032 if (!namelen)
987 goto out_no_entry; 1033 goto out_no_entry;
988 1034
989 if (elen + sizeof(struct pathComponent) + namelen > eoffset) 1035 if (elen + sizeof(struct pathComponent) + namelen >
1036 eoffset)
990 goto out_no_entry; 1037 goto out_no_entry;
991 else 1038 else
992 pc->lengthComponentIdent = namelen; 1039 pc->lengthComponentIdent = namelen;
@@ -1009,16 +1056,19 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1009 UDF_I_LENALLOC(inode) = inode->i_size; 1056 UDF_I_LENALLOC(inode) = inode->i_size;
1010 mark_inode_dirty(inode); 1057 mark_inode_dirty(inode);
1011 1058
1012 if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) 1059 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
1060 if (!fi)
1013 goto out_no_entry; 1061 goto out_no_entry;
1014 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 1062 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
1015 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 1063 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
1016 bh = UDF_SB(inode->i_sb)->s_lvid_bh; 1064 bh = UDF_SB(inode->i_sb)->s_lvid_bh;
1017 if (bh) { 1065 if (bh) {
1018 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data; 1066 struct logicalVolIntegrityDesc *lvid =
1067 (struct logicalVolIntegrityDesc *)bh->b_data;
1019 struct logicalVolHeaderDesc *lvhd; 1068 struct logicalVolHeaderDesc *lvhd;
1020 uint64_t uniqueID; 1069 uint64_t uniqueID;
1021 lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse); 1070 lvhd = (struct logicalVolHeaderDesc *)
1071 lvid->logicalVolContentsUse;
1022 uniqueID = le64_to_cpu(lvhd->uniqueID); 1072 uniqueID = le64_to_cpu(lvhd->uniqueID);
1023 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1073 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1024 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1074 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
@@ -1028,9 +1078,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1028 mark_buffer_dirty(bh); 1078 mark_buffer_dirty(bh);
1029 } 1079 }
1030 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 1080 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
1031 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 1081 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
1032 mark_inode_dirty(dir); 1082 mark_inode_dirty(dir);
1033 }
1034 if (fibh.sbh != fibh.ebh) 1083 if (fibh.sbh != fibh.ebh)
1035 brelse(fibh.ebh); 1084 brelse(fibh.ebh);
1036 brelse(fibh.sbh); 1085 brelse(fibh.sbh);
@@ -1062,7 +1111,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1062 return -EMLINK; 1111 return -EMLINK;
1063 } 1112 }
1064 1113
1065 if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) { 1114 fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);
1115 if (!fi) {
1066 unlock_kernel(); 1116 unlock_kernel();
1067 return err; 1117 return err;
1068 } 1118 }
@@ -1070,10 +1120,12 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1070 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 1120 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
1071 bh = UDF_SB(inode->i_sb)->s_lvid_bh; 1121 bh = UDF_SB(inode->i_sb)->s_lvid_bh;
1072 if (bh) { 1122 if (bh) {
1073 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data; 1123 struct logicalVolIntegrityDesc *lvid =
1124 (struct logicalVolIntegrityDesc *)bh->b_data;
1074 struct logicalVolHeaderDesc *lvhd; 1125 struct logicalVolHeaderDesc *lvhd;
1075 uint64_t uniqueID; 1126 uint64_t uniqueID;
1076 lvhd = (struct logicalVolHeaderDesc *)(lvid->logicalVolContentsUse); 1127 lvhd = (struct logicalVolHeaderDesc *)
1128 (lvid->logicalVolContentsUse);
1077 uniqueID = le64_to_cpu(lvhd->uniqueID); 1129 uniqueID = le64_to_cpu(lvhd->uniqueID);
1078 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1130 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1079 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1131 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
@@ -1083,9 +1135,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1083 mark_buffer_dirty(bh); 1135 mark_buffer_dirty(bh);
1084 } 1136 }
1085 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 1137 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
1086 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 1138 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
1087 mark_inode_dirty(dir); 1139 mark_inode_dirty(dir);
1088 }
1089 1140
1090 if (fibh.sbh != fibh.ebh) 1141 if (fibh.sbh != fibh.ebh)
1091 brelse(fibh.ebh); 1142 brelse(fibh.ebh);
@@ -1109,13 +1160,15 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1109 struct inode *old_inode = old_dentry->d_inode; 1160 struct inode *old_inode = old_dentry->d_inode;
1110 struct inode *new_inode = new_dentry->d_inode; 1161 struct inode *new_inode = new_dentry->d_inode;
1111 struct udf_fileident_bh ofibh, nfibh; 1162 struct udf_fileident_bh ofibh, nfibh;
1112 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi; 1163 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL;
1164 struct fileIdentDesc ocfi, ncfi;
1113 struct buffer_head *dir_bh = NULL; 1165 struct buffer_head *dir_bh = NULL;
1114 int retval = -ENOENT; 1166 int retval = -ENOENT;
1115 kernel_lb_addr tloc; 1167 kernel_lb_addr tloc;
1116 1168
1117 lock_kernel(); 1169 lock_kernel();
1118 if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) { 1170 ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi);
1171 if (ofi) {
1119 if (ofibh.sbh != ofibh.ebh) 1172 if (ofibh.sbh != ofibh.ebh)
1120 brelse(ofibh.ebh); 1173 brelse(ofibh.ebh);
1121 brelse(ofibh.sbh); 1174 brelse(ofibh.sbh);
@@ -1144,29 +1197,35 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1144 } 1197 }
1145 retval = -EIO; 1198 retval = -EIO;
1146 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1199 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
1147 dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) - 1200 dir_fi = udf_get_fileident(
1148 (UDF_I_EFE(old_inode) ? 1201 UDF_I_DATA(old_inode) -
1149 sizeof(struct extendedFileEntry) : 1202 (UDF_I_EFE(old_inode) ?
1150 sizeof(struct fileEntry)), 1203 sizeof(struct extendedFileEntry) :
1151 old_inode->i_sb->s_blocksize, &offset); 1204 sizeof(struct fileEntry)),
1205 old_inode->i_sb->s_blocksize, &offset);
1152 } else { 1206 } else {
1153 dir_bh = udf_bread(old_inode, 0, 0, &retval); 1207 dir_bh = udf_bread(old_inode, 0, 0, &retval);
1154 if (!dir_bh) 1208 if (!dir_bh)
1155 goto end_rename; 1209 goto end_rename;
1156 dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset); 1210 dir_fi = udf_get_fileident(dir_bh->b_data,
1211 old_inode->i_sb->s_blocksize, &offset);
1157 } 1212 }
1158 if (!dir_fi) 1213 if (!dir_fi)
1159 goto end_rename; 1214 goto end_rename;
1160 tloc = lelb_to_cpu(dir_fi->icb.extLocation); 1215 tloc = lelb_to_cpu(dir_fi->icb.extLocation);
1161 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino) 1216 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) !=
1217 old_dir->i_ino)
1162 goto end_rename; 1218 goto end_rename;
1163 1219
1164 retval = -EMLINK; 1220 retval = -EMLINK;
1165 if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1) 1221 if (!new_inode &&
1222 new_dir->i_nlink >=
1223 (256 << sizeof(new_dir->i_nlink)) - 1)
1166 goto end_rename; 1224 goto end_rename;
1167 } 1225 }
1168 if (!nfi) { 1226 if (!nfi) {
1169 nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval); 1227 nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi,
1228 &retval);
1170 if (!nfi) 1229 if (!nfi)
1171 goto end_rename; 1230 goto end_rename;
1172 } 1231 }
@@ -1199,17 +1258,18 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1199 1258
1200 if (dir_fi) { 1259 if (dir_fi) {
1201 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir)); 1260 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir));
1202 udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) + 1261 udf_update_tag((char *)dir_fi,
1203 le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3); 1262 (sizeof(struct fileIdentDesc) +
1204 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1263 le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
1264 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB)
1205 mark_inode_dirty(old_inode); 1265 mark_inode_dirty(old_inode);
1206 } else { 1266 else
1207 mark_buffer_dirty_inode(dir_bh, old_inode); 1267 mark_buffer_dirty_inode(dir_bh, old_inode);
1208 } 1268
1209 inode_dec_link_count(old_dir); 1269 inode_dec_link_count(old_dir);
1210 if (new_inode) { 1270 if (new_inode)
1211 inode_dec_link_count(new_inode); 1271 inode_dec_link_count(new_inode);
1212 } else { 1272 else {
1213 inc_nlink(new_dir); 1273 inc_nlink(new_dir);
1214 mark_inode_dirty(new_dir); 1274 mark_inode_dirty(new_dir);
1215 } 1275 }
diff --git a/fs/udf/partition.c b/fs/udf/partition.c
index eeb4714b3641..027c879969f1 100644
--- a/fs/udf/partition.c
+++ b/fs/udf/partition.c
@@ -34,8 +34,8 @@ inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
34 struct udf_sb_info *sbi = UDF_SB(sb); 34 struct udf_sb_info *sbi = UDF_SB(sb);
35 struct udf_part_map *map; 35 struct udf_part_map *map;
36 if (partition >= sbi->s_partitions) { 36 if (partition >= sbi->s_partitions) {
37 udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n", 37 udf_debug("block=%d, partition=%d, offset=%d: "
38 block, partition, offset); 38 "invalid partition\n", block, partition, offset);
39 return 0xFFFFFFFF; 39 return 0xFFFFFFFF;
40 } 40 }
41 map = &sbi->s_partmaps[partition]; 41 map = &sbi->s_partmaps[partition];
@@ -54,13 +54,15 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
54 uint32_t loc; 54 uint32_t loc;
55 struct udf_sb_info *sbi = UDF_SB(sb); 55 struct udf_sb_info *sbi = UDF_SB(sb);
56 struct udf_part_map *map; 56 struct udf_part_map *map;
57 struct udf_virtual_data *vdata;
57 58
58 map = &sbi->s_partmaps[partition]; 59 map = &sbi->s_partmaps[partition];
59 index = (sb->s_blocksize - map->s_type_specific.s_virtual.s_start_offset) / sizeof(uint32_t); 60 vdata = &map->s_type_specific.s_virtual;
61 index = (sb->s_blocksize - vdata->s_start_offset) / sizeof(uint32_t);
60 62
61 if (block > map->s_type_specific.s_virtual.s_num_entries) { 63 if (block > vdata->s_num_entries) {
62 udf_debug("Trying to access block beyond end of VAT (%d max %d)\n", 64 udf_debug("Trying to access block beyond end of VAT "
63 block, map->s_type_specific.s_virtual.s_num_entries); 65 "(%d max %d)\n", block, vdata->s_num_entries);
64 return 0xFFFFFFFF; 66 return 0xFFFFFFFF;
65 } 67 }
66 68
@@ -70,12 +72,13 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
70 index = block % (sb->s_blocksize / sizeof(uint32_t)); 72 index = block % (sb->s_blocksize / sizeof(uint32_t));
71 } else { 73 } else {
72 newblock = 0; 74 newblock = 0;
73 index = map->s_type_specific.s_virtual.s_start_offset / sizeof(uint32_t) + block; 75 index = vdata->s_start_offset / sizeof(uint32_t) + block;
74 } 76 }
75 77
76 loc = udf_block_map(sbi->s_vat_inode, newblock); 78 loc = udf_block_map(sbi->s_vat_inode, newblock);
77 79
78 if (!(bh = sb_bread(sb, loc))) { 80 bh = sb_bread(sb, loc);
81 if (!bh) {
79 udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n", 82 udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n",
80 sb, block, partition, loc, index); 83 sb, block, partition, loc, index);
81 return 0xFFFFFFFF; 84 return 0xFFFFFFFF;
@@ -85,17 +88,19 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
85 88
86 brelse(bh); 89 brelse(bh);
87 90
88 if (UDF_I_LOCATION(sbi->s_vat_inode).partitionReferenceNum == partition) { 91 if (UDF_I_LOCATION(sbi->s_vat_inode).partitionReferenceNum ==
92 partition) {
89 udf_debug("recursive call to udf_get_pblock!\n"); 93 udf_debug("recursive call to udf_get_pblock!\n");
90 return 0xFFFFFFFF; 94 return 0xFFFFFFFF;
91 } 95 }
92 96
93 return udf_get_pblock(sb, loc, 97 return udf_get_pblock(sb, loc,
94 UDF_I_LOCATION(sbi->s_vat_inode).partitionReferenceNum, 98 UDF_I_LOCATION(sbi->s_vat_inode).
99 partitionReferenceNum,
95 offset); 100 offset);
96} 101}
97 102
98inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block, 103inline uint32_t udf_get_pblock_virt20(struct super_block *sb, uint32_t block,
99 uint16_t partition, uint32_t offset) 104 uint16_t partition, uint32_t offset)
100{ 105{
101 return udf_get_pblock_virt15(sb, block, partition, offset); 106 return udf_get_pblock_virt15(sb, block, partition, offset);
@@ -109,27 +114,32 @@ uint32_t udf_get_pblock_spar15(struct super_block *sb, uint32_t block,
109 struct udf_sb_info *sbi = UDF_SB(sb); 114 struct udf_sb_info *sbi = UDF_SB(sb);
110 struct udf_part_map *map; 115 struct udf_part_map *map;
111 uint32_t packet; 116 uint32_t packet;
117 struct udf_sparing_data *sdata;
112 118
113 map = &sbi->s_partmaps[partition]; 119 map = &sbi->s_partmaps[partition];
114 packet = (block + offset) & ~(map->s_type_specific.s_sparing.s_packet_len - 1); 120 sdata = &map->s_type_specific.s_sparing;
121 packet = (block + offset) & ~(sdata->s_packet_len - 1);
115 122
116 for (i = 0; i < 4; i++) { 123 for (i = 0; i < 4; i++) {
117 if (map->s_type_specific.s_sparing.s_spar_map[i] != NULL) { 124 if (sdata->s_spar_map[i] != NULL) {
118 st = (struct sparingTable *)map->s_type_specific.s_sparing.s_spar_map[i]->b_data; 125 st = (struct sparingTable *)
126 sdata->s_spar_map[i]->b_data;
119 break; 127 break;
120 } 128 }
121 } 129 }
122 130
123 if (st) { 131 if (st) {
124 for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) { 132 for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {
125 if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0) { 133 struct sparingEntry *entry = &st->mapEntry[i];
134 u32 origLoc = le32_to_cpu(entry->origLocation);
135 if (origLoc >= 0xFFFFFFF0)
126 break; 136 break;
127 } else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) { 137 else if (origLoc == packet)
128 return le32_to_cpu(st->mapEntry[i].mappedLocation) + 138 return le32_to_cpu(entry->mappedLocation) +
129 ((block + offset) & (map->s_type_specific.s_sparing.s_packet_len - 1)); 139 ((block + offset) &
130 } else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) { 140 (sdata->s_packet_len - 1));
141 else if (origLoc > packet)
131 break; 142 break;
132 }
133 } 143 }
134 } 144 }
135 145
@@ -144,63 +154,101 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
144 uint32_t packet; 154 uint32_t packet;
145 int i, j, k, l; 155 int i, j, k, l;
146 struct udf_sb_info *sbi = UDF_SB(sb); 156 struct udf_sb_info *sbi = UDF_SB(sb);
157 u16 reallocationTableLen;
158 struct buffer_head *bh;
147 159
148 for (i = 0; i < sbi->s_partitions; i++) { 160 for (i = 0; i < sbi->s_partitions; i++) {
149 struct udf_part_map *map = &sbi->s_partmaps[i]; 161 struct udf_part_map *map = &sbi->s_partmaps[i];
150 if (old_block > map->s_partition_root && 162 if (old_block > map->s_partition_root &&
151 old_block < map->s_partition_root + map->s_partition_len) { 163 old_block < map->s_partition_root + map->s_partition_len) {
152 sdata = &map->s_type_specific.s_sparing; 164 sdata = &map->s_type_specific.s_sparing;
153 packet = (old_block - map->s_partition_root) & ~(sdata->s_packet_len - 1); 165 packet = (old_block - map->s_partition_root) &
166 ~(sdata->s_packet_len - 1);
154 167
155 for (j = 0; j < 4; j++) { 168 for (j = 0; j < 4; j++)
156 if (map->s_type_specific.s_sparing.s_spar_map[j] != NULL) { 169 if (sdata->s_spar_map[j] != NULL) {
157 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; 170 st = (struct sparingTable *)
171 sdata->s_spar_map[j]->b_data;
158 break; 172 break;
159 } 173 }
160 }
161 174
162 if (!st) 175 if (!st)
163 return 1; 176 return 1;
164 177
165 for (k = 0; k < le16_to_cpu(st->reallocationTableLen); k++) { 178 reallocationTableLen =
166 if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF) { 179 le16_to_cpu(st->reallocationTableLen);
180 for (k = 0; k < reallocationTableLen; k++) {
181 struct sparingEntry *entry = &st->mapEntry[k];
182 u32 origLoc = le32_to_cpu(entry->origLocation);
183
184 if (origLoc == 0xFFFFFFFF) {
167 for (; j < 4; j++) { 185 for (; j < 4; j++) {
168 if (sdata->s_spar_map[j]) { 186 int len;
169 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; 187 bh = sdata->s_spar_map[j];
170 st->mapEntry[k].origLocation = cpu_to_le32(packet); 188 if (!bh)
171 udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); 189 continue;
172 mark_buffer_dirty(sdata->s_spar_map[j]); 190
173 } 191 st = (struct sparingTable *)
192 bh->b_data;
193 entry->origLocation =
194 cpu_to_le32(packet);
195 len =
196 sizeof(struct sparingTable) +
197 reallocationTableLen *
198 sizeof(struct sparingEntry);
199 udf_update_tag((char *)st, len);
200 mark_buffer_dirty(bh);
174 } 201 }
175 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + 202 *new_block = le32_to_cpu(
176 ((old_block - map->s_partition_root) & (sdata->s_packet_len - 1)); 203 entry->mappedLocation) +
204 ((old_block -
205 map->s_partition_root) &
206 (sdata->s_packet_len - 1));
177 return 0; 207 return 0;
178 } else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet) { 208 } else if (origLoc == packet) {
179 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + 209 *new_block = le32_to_cpu(
180 ((old_block - map->s_partition_root) & (sdata->s_packet_len - 1)); 210 entry->mappedLocation) +
211 ((old_block -
212 map->s_partition_root) &
213 (sdata->s_packet_len - 1));
181 return 0; 214 return 0;
182 } else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet) { 215 } else if (origLoc > packet)
183 break; 216 break;
184 }
185 } 217 }
186 218
187 for (l = k; l < le16_to_cpu(st->reallocationTableLen); l++) { 219 for (l = k; l < reallocationTableLen; l++) {
188 if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF) { 220 struct sparingEntry *entry = &st->mapEntry[l];
189 for (; j < 4; j++) { 221 u32 origLoc = le32_to_cpu(entry->origLocation);
190 if (sdata->s_spar_map[j]) { 222
191 st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; 223 if (origLoc != 0xFFFFFFFF)
192 mapEntry = st->mapEntry[l]; 224 continue;
193 mapEntry.origLocation = cpu_to_le32(packet); 225
194 memmove(&st->mapEntry[k + 1], &st->mapEntry[k], (l - k) * sizeof(struct sparingEntry)); 226 for (; j < 4; j++) {
195 st->mapEntry[k] = mapEntry; 227 bh = sdata->s_spar_map[j];
196 udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); 228 if (!bh)
197 mark_buffer_dirty(sdata->s_spar_map[j]); 229 continue;
198 } 230
199 } 231 st = (struct sparingTable *)bh->b_data;
200 *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + 232 mapEntry = st->mapEntry[l];
201 ((old_block - map->s_partition_root) & (sdata->s_packet_len - 1)); 233 mapEntry.origLocation =
202 return 0; 234 cpu_to_le32(packet);
235 memmove(&st->mapEntry[k + 1],
236 &st->mapEntry[k],
237 (l - k) *
238 sizeof(struct sparingEntry));
239 st->mapEntry[k] = mapEntry;
240 udf_update_tag((char *)st,
241 sizeof(struct sparingTable) +
242 reallocationTableLen *
243 sizeof(struct sparingEntry));
244 mark_buffer_dirty(bh);
203 } 245 }
246 *new_block =
247 le32_to_cpu(
248 st->mapEntry[k].mappedLocation) +
249 ((old_block - map->s_partition_root) &
250 (sdata->s_packet_len - 1));
251 return 0;
204 } 252 }
205 253
206 return 1; 254 return 1;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 3cd5a855033b..7f75a949e152 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -98,9 +98,11 @@ static int udf_statfs(struct dentry *, struct kstatfs *);
98 98
99struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi) 99struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi)
100{ 100{
101 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; 101 struct logicalVolIntegrityDesc *lvid =
102 (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
102 __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions); 103 __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions);
103 __u32 offset = number_of_partitions * 2 * sizeof(uint32_t)/sizeof(uint8_t); 104 __u32 offset = number_of_partitions * 2 *
105 sizeof(uint32_t)/sizeof(uint8_t);
104 return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]); 106 return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]);
105} 107}
106 108
@@ -713,16 +715,23 @@ static void udf_find_anchor(struct super_block *sb)
713 lastblock = last[i] - sbi->s_session; 715 lastblock = last[i] - sbi->s_session;
714 sbi->s_anchor[0] = lastblock; 716 sbi->s_anchor[0] = lastblock;
715 sbi->s_anchor[1] = lastblock - 256; 717 sbi->s_anchor[1] = lastblock - 256;
716 } else if (location == udf_variable_to_fixed(last[i]) - sbi->s_session) { 718 } else if (location ==
719 udf_variable_to_fixed(last[i]) -
720 sbi->s_session) {
717 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); 721 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
718 lastblock = udf_variable_to_fixed(last[i]) - sbi->s_session; 722 lastblock =
723 udf_variable_to_fixed(last[i]) -
724 sbi->s_session;
719 sbi->s_anchor[0] = lastblock; 725 sbi->s_anchor[0] = lastblock;
720 sbi->s_anchor[1] = lastblock - 256 - sbi->s_session; 726 sbi->s_anchor[1] = lastblock - 256 -
727 sbi->s_session;
721 } else { 728 } else {
722 udf_debug("Anchor found at block %d, location mismatch %d.\n", 729 udf_debug("Anchor found at block %d, "
730 "location mismatch %d.\n",
723 last[i], location); 731 last[i], location);
724 } 732 }
725 } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) { 733 } else if (ident == TAG_IDENT_FE ||
734 ident == TAG_IDENT_EFE) {
726 lastblock = last[i]; 735 lastblock = last[i];
727 sbi->s_anchor[3] = 512; 736 sbi->s_anchor[3] = 512;
728 } else { 737 } else {
@@ -731,31 +740,40 @@ static void udf_find_anchor(struct super_block *sb)
731 bh = sb_bread(sb, last[i] - 256); 740 bh = sb_bread(sb, last[i] - 256);
732 if (bh) { 741 if (bh) {
733 tag *t = (tag *)bh->b_data; 742 tag *t = (tag *)bh->b_data;
734 ident = le16_to_cpu(t->tagIdent); 743 ident = le16_to_cpu(
735 location = le32_to_cpu(t->tagLocation); 744 t->tagIdent);
745 location = le32_to_cpu(
746 t->tagLocation);
736 brelse(bh); 747 brelse(bh);
737 } 748 }
738 } 749 }
739 750
740 if (ident == TAG_IDENT_AVDP && 751 if (ident == TAG_IDENT_AVDP &&
741 location == last[i] - 256 - sbi->s_session) { 752 location == last[i] - 256 -
753 sbi->s_session) {
742 lastblock = last[i]; 754 lastblock = last[i];
743 sbi->s_anchor[1] = last[i] - 256; 755 sbi->s_anchor[1] = last[i] - 256;
744 } else { 756 } else {
745 ident = location = 0; 757 ident = location = 0;
746 if (last[i] >= 312 + sbi->s_session) { 758 if (last[i] >= 312 + sbi->s_session) {
747 bh = sb_bread(sb, last[i] - 312 - sbi->s_session); 759 bh = sb_bread(sb,
760 last[i] - 312 -
761 sbi->s_session);
748 if (bh) { 762 if (bh) {
749 tag *t = (tag *)bh->b_data; 763 tag *t = (tag *)
750 ident = le16_to_cpu(t->tagIdent); 764 bh->b_data;
751 location = le32_to_cpu(t->tagLocation); 765 ident = le16_to_cpu(
766 t->tagIdent);
767 location = le32_to_cpu(
768 t->tagLocation);
752 brelse(bh); 769 brelse(bh);
753 } 770 }
754 } 771 }
755 772
756 if (ident == TAG_IDENT_AVDP && 773 if (ident == TAG_IDENT_AVDP &&
757 location == udf_variable_to_fixed(last[i]) - 256) { 774 location == udf_variable_to_fixed(last[i]) - 256) {
758 UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); 775 UDF_SET_FLAG(sb,
776 UDF_FLAG_VARCONV);
759 lastblock = udf_variable_to_fixed(last[i]); 777 lastblock = udf_variable_to_fixed(last[i]);
760 sbi->s_anchor[1] = lastblock - 256; 778 sbi->s_anchor[1] = lastblock - 256;
761 } 779 }
@@ -787,7 +805,8 @@ static void udf_find_anchor(struct super_block *sb)
787 else { 805 else {
788 brelse(bh); 806 brelse(bh);
789 if ((ident != TAG_IDENT_AVDP) && 807 if ((ident != TAG_IDENT_AVDP) &&
790 (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) 808 (i || (ident != TAG_IDENT_FE &&
809 ident != TAG_IDENT_EFE)))
791 sbi->s_anchor[i] = 0; 810 sbi->s_anchor[i] = 0;
792 } 811 }
793 } 812 }
@@ -848,11 +867,12 @@ static int udf_find_fileset(struct super_block *sb,
848 case TAG_IDENT_SBD: 867 case TAG_IDENT_SBD:
849 { 868 {
850 struct spaceBitmapDesc *sp; 869 struct spaceBitmapDesc *sp;
851 sp = (struct spaceBitmapDesc *)bh->b_data; 870 sp = (struct spaceBitmapDesc *)
871 bh->b_data;
852 newfileset.logicalBlockNum += 1 + 872 newfileset.logicalBlockNum += 1 +
853 ((le32_to_cpu(sp->numOfBytes) + 873 ((le32_to_cpu(sp->numOfBytes) +
854 sizeof(struct spaceBitmapDesc) - 1) 874 sizeof(struct spaceBitmapDesc)
855 >> sb->s_blocksize_bits); 875 - 1) >> sb->s_blocksize_bits);
856 brelse(bh); 876 brelse(bh);
857 break; 877 break;
858 } 878 }
@@ -908,18 +928,17 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
908 UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000; 928 UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000;
909 } 929 }
910 930
911 if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) { 931 if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32))
912 if (udf_CS0toUTF8(&outstr, &instr)) { 932 if (udf_CS0toUTF8(&outstr, &instr)) {
913 strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name, 933 strncpy(UDF_SB(sb)->s_volume_ident, outstr.u_name,
914 outstr.u_len > 31 ? 31 : outstr.u_len); 934 outstr.u_len > 31 ? 31 : outstr.u_len);
915 udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); 935 udf_debug("volIdent[] = '%s'\n",
936 UDF_SB(sb)->s_volume_ident);
916 } 937 }
917 }
918 938
919 if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) { 939 if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128))
920 if (udf_CS0toUTF8(&outstr, &instr)) 940 if (udf_CS0toUTF8(&outstr, &instr))
921 udf_debug("volSetIdent[] = '%s'\n", outstr.u_name); 941 udf_debug("volSetIdent[] = '%s'\n", outstr.u_name);
922 }
923} 942}
924 943
925static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, 944static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
@@ -987,18 +1006,30 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
987 for (i = 0; i < sbi->s_partitions; i++) { 1006 for (i = 0; i < sbi->s_partitions; i++) {
988 map = &sbi->s_partmaps[i]; 1007 map = &sbi->s_partmaps[i];
989 udf_debug("Searching map: (%d == %d)\n", 1008 udf_debug("Searching map: (%d == %d)\n",
990 map->s_partition_num, le16_to_cpu(p->partitionNumber)); 1009 map->s_partition_num,
991 if (map->s_partition_num == le16_to_cpu(p->partitionNumber)) { 1010 le16_to_cpu(p->partitionNumber));
992 map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ 1011 if (map->s_partition_num ==
993 map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); 1012 le16_to_cpu(p->partitionNumber)) {
994 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY) 1013 map->s_partition_len =
995 map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; 1014 le32_to_cpu(p->partitionLength); /* blocks */
996 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE) 1015 map->s_partition_root =
997 map->s_partition_flags |= UDF_PART_FLAG_WRITE_ONCE; 1016 le32_to_cpu(p->partitionStartingLocation);
998 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE) 1017 if (le32_to_cpu(p->accessType) ==
999 map->s_partition_flags |= UDF_PART_FLAG_REWRITABLE; 1018 PD_ACCESS_TYPE_READ_ONLY)
1000 if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE) 1019 map->s_partition_flags |=
1001 map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE; 1020 UDF_PART_FLAG_READ_ONLY;
1021 if (le32_to_cpu(p->accessType) ==
1022 PD_ACCESS_TYPE_WRITE_ONCE)
1023 map->s_partition_flags |=
1024 UDF_PART_FLAG_WRITE_ONCE;
1025 if (le32_to_cpu(p->accessType) ==
1026 PD_ACCESS_TYPE_REWRITABLE)
1027 map->s_partition_flags |=
1028 UDF_PART_FLAG_REWRITABLE;
1029 if (le32_to_cpu(p->accessType) ==
1030 PD_ACCESS_TYPE_OVERWRITABLE)
1031 map->s_partition_flags |=
1032 UDF_PART_FLAG_OVERWRITABLE;
1002 1033
1003 if (!strcmp(p->partitionContents.ident, 1034 if (!strcmp(p->partitionContents.ident,
1004 PD_PARTITION_CONTENTS_NSR02) || 1035 PD_PARTITION_CONTENTS_NSR02) ||
@@ -1006,7 +1037,8 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
1006 PD_PARTITION_CONTENTS_NSR03)) { 1037 PD_PARTITION_CONTENTS_NSR03)) {
1007 struct partitionHeaderDesc *phd; 1038 struct partitionHeaderDesc *phd;
1008 1039
1009 phd = (struct partitionHeaderDesc *)(p->partitionContentsUse); 1040 phd = (struct partitionHeaderDesc *)
1041 (p->partitionContentsUse);
1010 if (phd->unallocSpaceTable.extLength) { 1042 if (phd->unallocSpaceTable.extLength) {
1011 kernel_lb_addr loc = { 1043 kernel_lb_addr loc = {
1012 .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition), 1044 .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition),
@@ -1019,20 +1051,23 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
1019 udf_debug("cannot load unallocSpaceTable (part %d)\n", i); 1051 udf_debug("cannot load unallocSpaceTable (part %d)\n", i);
1020 return 1; 1052 return 1;
1021 } 1053 }
1022 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; 1054 map->s_partition_flags |=
1055 UDF_PART_FLAG_UNALLOC_TABLE;
1023 udf_debug("unallocSpaceTable (part %d) @ %ld\n", 1056 udf_debug("unallocSpaceTable (part %d) @ %ld\n",
1024 i, map->s_uspace.s_table->i_ino); 1057 i, map->s_uspace.s_table->i_ino);
1025 } 1058 }
1026 if (phd->unallocSpaceBitmap.extLength) { 1059 if (phd->unallocSpaceBitmap.extLength) {
1027 map->s_uspace.s_bitmap = udf_sb_alloc_bitmap(sb, i); 1060 struct udf_bitmap *bitmap =
1028 if (map->s_uspace.s_bitmap != NULL) { 1061 udf_sb_alloc_bitmap(sb, i);
1029 map->s_uspace.s_bitmap->s_extLength = 1062 map->s_uspace.s_bitmap = bitmap;
1063 if (bitmap != NULL) {
1064 bitmap->s_extLength =
1030 le32_to_cpu(phd->unallocSpaceBitmap.extLength); 1065 le32_to_cpu(phd->unallocSpaceBitmap.extLength);
1031 map->s_uspace.s_bitmap->s_extPosition = 1066 bitmap->s_extPosition =
1032 le32_to_cpu(phd->unallocSpaceBitmap.extPosition); 1067 le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
1033 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; 1068 map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
1034 udf_debug("unallocSpaceBitmap (part %d) @ %d\n", 1069 udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
1035 i, map->s_uspace.s_bitmap->s_extPosition); 1070 i, bitmap->s_extPosition);
1036 } 1071 }
1037 } 1072 }
1038 if (phd->partitionIntegrityTable.extLength) 1073 if (phd->partitionIntegrityTable.extLength)
@@ -1049,37 +1084,39 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
1049 udf_debug("cannot load freedSpaceTable (part %d)\n", i); 1084 udf_debug("cannot load freedSpaceTable (part %d)\n", i);
1050 return 1; 1085 return 1;
1051 } 1086 }
1052 map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE; 1087 map->s_partition_flags |=
1088 UDF_PART_FLAG_FREED_TABLE;
1053 udf_debug("freedSpaceTable (part %d) @ %ld\n", 1089 udf_debug("freedSpaceTable (part %d) @ %ld\n",
1054 i, map->s_fspace.s_table->i_ino); 1090 i, map->s_fspace.s_table->i_ino);
1055 } 1091 }
1056 if (phd->freedSpaceBitmap.extLength) { 1092 if (phd->freedSpaceBitmap.extLength) {
1057 map->s_fspace.s_bitmap = udf_sb_alloc_bitmap(sb, i); 1093 struct udf_bitmap *bitmap =
1058 if (map->s_fspace.s_bitmap != NULL) { 1094 udf_sb_alloc_bitmap(sb, i);
1059 map->s_fspace.s_bitmap->s_extLength = 1095 map->s_fspace.s_bitmap = bitmap;
1096 if (bitmap != NULL) {
1097 bitmap->s_extLength =
1060 le32_to_cpu(phd->freedSpaceBitmap.extLength); 1098 le32_to_cpu(phd->freedSpaceBitmap.extLength);
1061 map->s_fspace.s_bitmap->s_extPosition = 1099 bitmap->s_extPosition =
1062 le32_to_cpu(phd->freedSpaceBitmap.extPosition); 1100 le32_to_cpu(phd->freedSpaceBitmap.extPosition);
1063 map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP; 1101 map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
1064 udf_debug("freedSpaceBitmap (part %d) @ %d\n", 1102 udf_debug("freedSpaceBitmap (part %d) @ %d\n",
1065 i, map->s_fspace.s_bitmap->s_extPosition); 1103 i, bitmap->s_extPosition);
1066 } 1104 }
1067 } 1105 }
1068 } 1106 }
1069 break; 1107 break;
1070 } 1108 }
1071 } 1109 }
1072 if (i == sbi->s_partitions) { 1110 if (i == sbi->s_partitions)
1073 udf_debug("Partition (%d) not found in partition map\n", 1111 udf_debug("Partition (%d) not found in partition map\n",
1074 le16_to_cpu(p->partitionNumber)); 1112 le16_to_cpu(p->partitionNumber));
1075 } else { 1113 else
1076 udf_debug("Partition (%d:%d type %x) starts at physical %d, " 1114 udf_debug("Partition (%d:%d type %x) starts at physical %d, "
1077 "block length %d\n", 1115 "block length %d\n",
1078 le16_to_cpu(p->partitionNumber), i, 1116 le16_to_cpu(p->partitionNumber), i,
1079 map->s_partition_type, 1117 map->s_partition_type,
1080 map->s_partition_root, 1118 map->s_partition_root,
1081 map->s_partition_len); 1119 map->s_partition_len);
1082 }
1083 return 0; 1120 return 0;
1084} 1121}
1085 1122
@@ -1090,6 +1127,7 @@ static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
1090 int i, j, offset; 1127 int i, j, offset;
1091 uint8_t type; 1128 uint8_t type;
1092 struct udf_sb_info *sbi = UDF_SB(sb); 1129 struct udf_sb_info *sbi = UDF_SB(sb);
1130 struct genericPartitionMap *gpm;
1093 1131
1094 lvd = (struct logicalVolDesc *)bh->b_data; 1132 lvd = (struct logicalVolDesc *)bh->b_data;
1095 1133
@@ -1099,43 +1137,71 @@ static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
1099 1137
1100 for (i = 0, offset = 0; 1138 for (i = 0, offset = 0;
1101 i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength); 1139 i < sbi->s_partitions && offset < le32_to_cpu(lvd->mapTableLength);
1102 i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) { 1140 i++, offset += gpm->partitionMapLength) {
1103 struct udf_part_map *map = &sbi->s_partmaps[i]; 1141 struct udf_part_map *map = &sbi->s_partmaps[i];
1104 type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType; 1142 gpm = (struct genericPartitionMap *)
1143 &(lvd->partitionMaps[offset]);
1144 type = gpm->partitionMapType;
1105 if (type == 1) { 1145 if (type == 1) {
1106 struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]); 1146 struct genericPartitionMap1 *gpm1 =
1147 (struct genericPartitionMap1 *)gpm;
1107 map->s_partition_type = UDF_TYPE1_MAP15; 1148 map->s_partition_type = UDF_TYPE1_MAP15;
1108 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum); 1149 map->s_volumeseqnum = le16_to_cpu(gpm1->volSeqNum);
1109 map->s_partition_num = le16_to_cpu(gpm1->partitionNum); 1150 map->s_partition_num = le16_to_cpu(gpm1->partitionNum);
1110 map->s_partition_func = NULL; 1151 map->s_partition_func = NULL;
1111 } else if (type == 2) { 1152 } else if (type == 2) {
1112 struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]); 1153 struct udfPartitionMap2 *upm2 =
1113 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) { 1154 (struct udfPartitionMap2 *)gpm;
1114 if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) { 1155 if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL,
1115 map->s_partition_type = UDF_VIRTUAL_MAP15; 1156 strlen(UDF_ID_VIRTUAL))) {
1116 map->s_partition_func = udf_get_pblock_virt15; 1157 u16 suf =
1117 } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) { 1158 le16_to_cpu(((__le16 *)upm2->partIdent.
1118 map->s_partition_type = UDF_VIRTUAL_MAP20; 1159 identSuffix)[0]);
1119 map->s_partition_func = udf_get_pblock_virt20; 1160 if (suf == 0x0150) {
1161 map->s_partition_type =
1162 UDF_VIRTUAL_MAP15;
1163 map->s_partition_func =
1164 udf_get_pblock_virt15;
1165 } else if (suf == 0x0200) {
1166 map->s_partition_type =
1167 UDF_VIRTUAL_MAP20;
1168 map->s_partition_func =
1169 udf_get_pblock_virt20;
1120 } 1170 }
1121 } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { 1171 } else if (!strncmp(upm2->partIdent.ident,
1172 UDF_ID_SPARABLE,
1173 strlen(UDF_ID_SPARABLE))) {
1122 uint32_t loc; 1174 uint32_t loc;
1123 uint16_t ident; 1175 uint16_t ident;
1124 struct sparingTable *st; 1176 struct sparingTable *st;
1125 struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]); 1177 struct sparablePartitionMap *spm =
1178 (struct sparablePartitionMap *)gpm;
1126 1179
1127 map->s_partition_type = UDF_SPARABLE_MAP15; 1180 map->s_partition_type = UDF_SPARABLE_MAP15;
1128 map->s_type_specific.s_sparing.s_packet_len = le16_to_cpu(spm->packetLength); 1181 map->s_type_specific.s_sparing.s_packet_len =
1182 le16_to_cpu(spm->packetLength);
1129 for (j = 0; j < spm->numSparingTables; j++) { 1183 for (j = 0; j < spm->numSparingTables; j++) {
1130 loc = le32_to_cpu(spm->locSparingTable[j]); 1184 struct buffer_head *bh2;
1131 map->s_type_specific.s_sparing.s_spar_map[j] = 1185
1132 udf_read_tagged(sb, loc, loc, &ident); 1186 loc = le32_to_cpu(
1133 if (map->s_type_specific.s_sparing.s_spar_map[j] != NULL) { 1187 spm->locSparingTable[j]);
1134 st = (struct sparingTable *)map->s_type_specific.s_sparing.s_spar_map[j]->b_data; 1188 bh2 = udf_read_tagged(sb, loc, loc,
1135 if (ident != 0 || 1189 &ident);
1136 strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { 1190 map->s_type_specific.s_sparing.
1137 brelse(map->s_type_specific.s_sparing.s_spar_map[j]); 1191 s_spar_map[j] = bh2;
1138 map->s_type_specific.s_sparing.s_spar_map[j] = NULL; 1192
1193 if (bh2 != NULL) {
1194 st = (struct sparingTable *)
1195 bh2->b_data;
1196 if (ident != 0 || strncmp(
1197 st->sparingIdent.ident,
1198 UDF_ID_SPARING,
1199 strlen(UDF_ID_SPARING))) {
1200 brelse(bh2);
1201 map->s_type_specific.
1202 s_sparing.
1203 s_spar_map[j] =
1204 NULL;
1139 } 1205 }
1140 } 1206 }
1141 } 1207 }
@@ -1218,6 +1284,7 @@ static int udf_process_sequence(struct super_block *sb, long block,
1218{ 1284{
1219 struct buffer_head *bh = NULL; 1285 struct buffer_head *bh = NULL;
1220 struct udf_vds_record vds[VDS_POS_LENGTH]; 1286 struct udf_vds_record vds[VDS_POS_LENGTH];
1287 struct udf_vds_record *curr;
1221 struct generic_desc *gd; 1288 struct generic_desc *gd;
1222 struct volDescPtr *vdp; 1289 struct volDescPtr *vdp;
1223 int done = 0; 1290 int done = 0;
@@ -1240,43 +1307,51 @@ static int udf_process_sequence(struct super_block *sb, long block,
1240 vdsn = le32_to_cpu(gd->volDescSeqNum); 1307 vdsn = le32_to_cpu(gd->volDescSeqNum);
1241 switch (ident) { 1308 switch (ident) {
1242 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ 1309 case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
1243 if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) { 1310 curr = &vds[VDS_POS_PRIMARY_VOL_DESC];
1244 vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn; 1311 if (vdsn >= curr->volDescSeqNum) {
1245 vds[VDS_POS_PRIMARY_VOL_DESC].block = block; 1312 curr->volDescSeqNum = vdsn;
1313 curr->block = block;
1246 } 1314 }
1247 break; 1315 break;
1248 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ 1316 case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
1249 if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) { 1317 curr = &vds[VDS_POS_VOL_DESC_PTR];
1250 vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; 1318 if (vdsn >= curr->volDescSeqNum) {
1251 vds[VDS_POS_VOL_DESC_PTR].block = block; 1319 curr->volDescSeqNum = vdsn;
1320 curr->block = block;
1252 1321
1253 vdp = (struct volDescPtr *)bh->b_data; 1322 vdp = (struct volDescPtr *)bh->b_data;
1254 next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); 1323 next_s = le32_to_cpu(
1255 next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength); 1324 vdp->nextVolDescSeqExt.extLocation);
1325 next_e = le32_to_cpu(
1326 vdp->nextVolDescSeqExt.extLength);
1256 next_e = next_e >> sb->s_blocksize_bits; 1327 next_e = next_e >> sb->s_blocksize_bits;
1257 next_e += next_s; 1328 next_e += next_s;
1258 } 1329 }
1259 break; 1330 break;
1260 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ 1331 case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
1261 if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) { 1332 curr = &vds[VDS_POS_IMP_USE_VOL_DESC];
1262 vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn; 1333 if (vdsn >= curr->volDescSeqNum) {
1263 vds[VDS_POS_IMP_USE_VOL_DESC].block = block; 1334 curr->volDescSeqNum = vdsn;
1335 curr->block = block;
1264 } 1336 }
1265 break; 1337 break;
1266 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ 1338 case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
1267 if (!vds[VDS_POS_PARTITION_DESC].block) 1339 curr = &vds[VDS_POS_PARTITION_DESC];
1268 vds[VDS_POS_PARTITION_DESC].block = block; 1340 if (!curr->block)
1341 curr->block = block;
1269 break; 1342 break;
1270 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ 1343 case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
1271 if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) { 1344 curr = &vds[VDS_POS_LOGICAL_VOL_DESC];
1272 vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn; 1345 if (vdsn >= curr->volDescSeqNum) {
1273 vds[VDS_POS_LOGICAL_VOL_DESC].block = block; 1346 curr->volDescSeqNum = vdsn;
1347 curr->block = block;
1274 } 1348 }
1275 break; 1349 break;
1276 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ 1350 case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
1277 if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { 1351 curr = &vds[VDS_POS_UNALLOC_SPACE_DESC];
1278 vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn; 1352 if (vdsn >= curr->volDescSeqNum) {
1279 vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; 1353 curr->volDescSeqNum = vdsn;
1354 curr->block = block;
1280 } 1355 }
1281 break; 1356 break;
1282 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ 1357 case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
@@ -1285,9 +1360,8 @@ static int udf_process_sequence(struct super_block *sb, long block,
1285 block = next_s; 1360 block = next_s;
1286 lastblock = next_e; 1361 lastblock = next_e;
1287 next_s = next_e = 0; 1362 next_s = next_e = 0;
1288 } else { 1363 } else
1289 done = 1; 1364 done = 1;
1290 }
1291 break; 1365 break;
1292 } 1366 }
1293 brelse(bh); 1367 brelse(bh);
@@ -1379,14 +1453,18 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1379 anchor = (struct anchorVolDescPtr *)bh->b_data; 1453 anchor = (struct anchorVolDescPtr *)bh->b_data;
1380 1454
1381 /* Locate the main sequence */ 1455 /* Locate the main sequence */
1382 main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); 1456 main_s = le32_to_cpu(
1383 main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength); 1457 anchor->mainVolDescSeqExt.extLocation);
1458 main_e = le32_to_cpu(
1459 anchor->mainVolDescSeqExt.extLength);
1384 main_e = main_e >> sb->s_blocksize_bits; 1460 main_e = main_e >> sb->s_blocksize_bits;
1385 main_e += main_s; 1461 main_e += main_s;
1386 1462
1387 /* Locate the reserve sequence */ 1463 /* Locate the reserve sequence */
1388 reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); 1464 reserve_s = le32_to_cpu(
1389 reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); 1465 anchor->reserveVolDescSeqExt.extLocation);
1466 reserve_e = le32_to_cpu(
1467 anchor->reserveVolDescSeqExt.extLength);
1390 reserve_e = reserve_e >> sb->s_blocksize_bits; 1468 reserve_e = reserve_e >> sb->s_blocksize_bits;
1391 reserve_e += reserve_s; 1469 reserve_e += reserve_s;
1392 1470
@@ -1394,8 +1472,10 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1394 1472
1395 /* Process the main & reserve sequences */ 1473 /* Process the main & reserve sequences */
1396 /* responsible for finding the PartitionDesc(s) */ 1474 /* responsible for finding the PartitionDesc(s) */
1397 if (!(udf_process_sequence(sb, main_s, main_e, fileset) && 1475 if (!(udf_process_sequence(sb, main_s, main_e,
1398 udf_process_sequence(sb, reserve_s, reserve_e, fileset))) 1476 fileset) &&
1477 udf_process_sequence(sb, reserve_s, reserve_e,
1478 fileset)))
1399 break; 1479 break;
1400 } 1480 }
1401 } 1481 }
@@ -1426,10 +1506,14 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1426 for (j = 0; j < sbi->s_partitions; j++) { 1506 for (j = 0; j < sbi->s_partitions; j++) {
1427 struct udf_part_map *map2 = &sbi->s_partmaps[j]; 1507 struct udf_part_map *map2 = &sbi->s_partmaps[j];
1428 if (j != i && 1508 if (j != i &&
1429 map->s_volumeseqnum == map2->s_volumeseqnum && 1509 map->s_volumeseqnum ==
1430 map->s_partition_num == map2->s_partition_num) { 1510 map2->s_volumeseqnum &&
1511 map->s_partition_num ==
1512 map2->s_partition_num) {
1431 ino.partitionReferenceNum = j; 1513 ino.partitionReferenceNum = j;
1432 ino.logicalBlockNum = sbi->s_last_block - map2->s_partition_root; 1514 ino.logicalBlockNum =
1515 sbi->s_last_block -
1516 map2->s_partition_root;
1433 break; 1517 break;
1434 } 1518 }
1435 } 1519 }
@@ -1448,17 +1532,22 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
1448 (sbi->s_vat_inode->i_size - 36) >> 2; 1532 (sbi->s_vat_inode->i_size - 36) >> 2;
1449 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) { 1533 } else if (map->s_partition_type == UDF_VIRTUAL_MAP20) {
1450 uint32_t pos; 1534 uint32_t pos;
1535 struct virtualAllocationTable20 *vat20;
1451 1536
1452 pos = udf_block_map(sbi->s_vat_inode, 0); 1537 pos = udf_block_map(sbi->s_vat_inode, 0);
1453 bh = sb_bread(sb, pos); 1538 bh = sb_bread(sb, pos);
1454 if (!bh) 1539 if (!bh)
1455 return 1; 1540 return 1;
1541 vat20 = (struct virtualAllocationTable20 *)
1542 bh->b_data +
1543 udf_ext0_offset(sbi->s_vat_inode);
1456 map->s_type_specific.s_virtual.s_start_offset = 1544 map->s_type_specific.s_virtual.s_start_offset =
1457 le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + 1545 le16_to_cpu(vat20->lengthHeader) +
1458 udf_ext0_offset(sbi->s_vat_inode))->lengthHeader) +
1459 udf_ext0_offset(sbi->s_vat_inode); 1546 udf_ext0_offset(sbi->s_vat_inode);
1460 map->s_type_specific.s_virtual.s_num_entries = (sbi->s_vat_inode->i_size - 1547 map->s_type_specific.s_virtual.s_num_entries =
1461 map->s_type_specific.s_virtual.s_start_offset) >> 2; 1548 (sbi->s_vat_inode->i_size -
1549 map->s_type_specific.s_virtual.
1550 s_start_offset) >> 2;
1462 brelse(bh); 1551 brelse(bh);
1463 } 1552 }
1464 map->s_partition_root = udf_get_pblock(sb, 0, i, 0); 1553 map->s_partition_root = udf_get_pblock(sb, 0, i, 0);
@@ -1477,8 +1566,10 @@ static void udf_open_lvid(struct super_block *sb)
1477 if (bh) { 1566 if (bh) {
1478 int i; 1567 int i;
1479 kernel_timestamp cpu_time; 1568 kernel_timestamp cpu_time;
1480 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)bh->b_data; 1569 struct logicalVolIntegrityDesc *lvid =
1481 struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); 1570 (struct logicalVolIntegrityDesc *)bh->b_data;
1571 struct logicalVolIntegrityDescImpUse *lvidiu =
1572 udf_sb_lvidiu(sbi);
1482 1573
1483 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; 1574 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
1484 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; 1575 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
@@ -1486,8 +1577,10 @@ static void udf_open_lvid(struct super_block *sb)
1486 lvid->recordingDateAndTime = cpu_to_lets(cpu_time); 1577 lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
1487 lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN; 1578 lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN;
1488 1579
1489 lvid->descTag.descCRC = cpu_to_le16(udf_crc((char *)lvid + sizeof(tag), 1580 lvid->descTag.descCRC = cpu_to_le16(
1490 le16_to_cpu(lvid->descTag.descCRCLength), 0)); 1581 udf_crc((char *)lvid + sizeof(tag),
1582 le16_to_cpu(lvid->descTag.descCRCLength),
1583 0));
1491 1584
1492 lvid->descTag.tagChecksum = 0; 1585 lvid->descTag.tagChecksum = 0;
1493 for (i = 0; i < 16; i++) 1586 for (i = 0; i < 16; i++)
@@ -1513,22 +1606,25 @@ static void udf_close_lvid(struct super_block *sb)
1513 lvid = (struct logicalVolIntegrityDesc *)bh->b_data; 1606 lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
1514 1607
1515 if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) { 1608 if (lvid->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
1516 struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); 1609 struct logicalVolIntegrityDescImpUse *lvidiu =
1610 udf_sb_lvidiu(sbi);
1517 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; 1611 lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
1518 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; 1612 lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
1519 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) 1613 if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
1520 lvid->recordingDateAndTime = cpu_to_lets(cpu_time); 1614 lvid->recordingDateAndTime = cpu_to_lets(cpu_time);
1521 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev)) 1615 if (UDF_MAX_WRITE_VERSION > le16_to_cpu(lvidiu->maxUDFWriteRev))
1522 lvidiu->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); 1616 lvidiu->maxUDFWriteRev =
1617 cpu_to_le16(UDF_MAX_WRITE_VERSION);
1523 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev)) 1618 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFReadRev))
1524 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev); 1619 lvidiu->minUDFReadRev = cpu_to_le16(sbi->s_udfrev);
1525 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev)) 1620 if (sbi->s_udfrev > le16_to_cpu(lvidiu->minUDFWriteRev))
1526 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev); 1621 lvidiu->minUDFWriteRev = cpu_to_le16(sbi->s_udfrev);
1527 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); 1622 lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE);
1528 1623
1529 lvid->descTag.descCRC = 1624 lvid->descTag.descCRC = cpu_to_le16(
1530 cpu_to_le16(udf_crc((char *)lvid + sizeof(tag), 1625 udf_crc((char *)lvid + sizeof(tag),
1531 le16_to_cpu(lvid->descTag.descCRCLength), 0)); 1626 le16_to_cpu(lvid->descTag.descCRCLength),
1627 0));
1532 1628
1533 lvid->descTag.tagChecksum = 0; 1629 lvid->descTag.tagChecksum = 0;
1534 for (i = 0; i < 16; i++) 1630 for (i = 0; i < 16; i++)
@@ -1544,7 +1640,8 @@ static void udf_sb_free_bitmap(struct udf_bitmap *bitmap)
1544{ 1640{
1545 int i; 1641 int i;
1546 int nr_groups = bitmap->s_nr_groups; 1642 int nr_groups = bitmap->s_nr_groups;
1547 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups); 1643 int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) *
1644 nr_groups);
1548 1645
1549 for (i = 0; i < nr_groups; i++) 1646 for (i = 0; i < nr_groups; i++)
1550 if (bitmap->s_block_bitmap[i]) 1647 if (bitmap->s_block_bitmap[i])
@@ -1662,19 +1759,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1662 udf_debug("Lastblock=%d\n", sbi->s_last_block); 1759 udf_debug("Lastblock=%d\n", sbi->s_last_block);
1663 1760
1664 if (sbi->s_lvid_bh) { 1761 if (sbi->s_lvid_bh) {
1665 struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sbi); 1762 struct logicalVolIntegrityDescImpUse *lvidiu =
1763 udf_sb_lvidiu(sbi);
1666 uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); 1764 uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev);
1667 uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); 1765 uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev);
1668 /* uint16_t maxUDFWriteRev = le16_to_cpu(lvidiu->maxUDFWriteRev); */ 1766 /* uint16_t maxUDFWriteRev =
1767 le16_to_cpu(lvidiu->maxUDFWriteRev); */
1669 1768
1670 if (minUDFReadRev > UDF_MAX_READ_VERSION) { 1769 if (minUDFReadRev > UDF_MAX_READ_VERSION) {
1671 printk(KERN_ERR "UDF-fs: minUDFReadRev=%x (max is %x)\n", 1770 printk(KERN_ERR "UDF-fs: minUDFReadRev=%x "
1771 "(max is %x)\n",
1672 le16_to_cpu(lvidiu->minUDFReadRev), 1772 le16_to_cpu(lvidiu->minUDFReadRev),
1673 UDF_MAX_READ_VERSION); 1773 UDF_MAX_READ_VERSION);
1674 goto error_out; 1774 goto error_out;
1675 } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) { 1775 } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION)
1676 sb->s_flags |= MS_RDONLY; 1776 sb->s_flags |= MS_RDONLY;
1677 }
1678 1777
1679 sbi->s_udfrev = minUDFWriteRev; 1778 sbi->s_udfrev = minUDFWriteRev;
1680 1779
@@ -1689,8 +1788,10 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1689 goto error_out; 1788 goto error_out;
1690 } 1789 }
1691 1790
1692 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags & UDF_PART_FLAG_READ_ONLY) { 1791 if (sbi->s_partmaps[sbi->s_partition].s_partition_flags &
1693 printk(KERN_NOTICE "UDF-fs: Partition marked readonly; forcing readonly mount\n"); 1792 UDF_PART_FLAG_READ_ONLY) {
1793 printk(KERN_NOTICE "UDF-fs: Partition marked readonly; "
1794 "forcing readonly mount\n");
1694 sb->s_flags |= MS_RDONLY; 1795 sb->s_flags |= MS_RDONLY;
1695 } 1796 }
1696 1797
@@ -1716,7 +1817,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
1716 /* perhaps it's not extensible enough, but for now ... */ 1817 /* perhaps it's not extensible enough, but for now ... */
1717 inode = udf_iget(sb, rootdir); 1818 inode = udf_iget(sb, rootdir);
1718 if (!inode) { 1819 if (!inode) {
1719 printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, partition=%d\n", 1820 printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, "
1821 "partition=%d\n",
1720 rootdir.logicalBlockNum, rootdir.partitionReferenceNum); 1822 rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
1721 goto error_out; 1823 goto error_out;
1722 } 1824 }
@@ -1746,7 +1848,8 @@ error_out:
1746 udf_sb_free_bitmap(map->s_fspace.s_bitmap); 1848 udf_sb_free_bitmap(map->s_fspace.s_bitmap);
1747 if (map->s_partition_type == UDF_SPARABLE_MAP15) 1849 if (map->s_partition_type == UDF_SPARABLE_MAP15)
1748 for (i = 0; i < 4; i++) 1850 for (i = 0; i < 4; i++)
1749 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); 1851 brelse(map->s_type_specific.s_sparing.
1852 s_spar_map[i]);
1750 } 1853 }
1751#ifdef CONFIG_UDF_NLS 1854#ifdef CONFIG_UDF_NLS
1752 if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) 1855 if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
@@ -1824,7 +1927,8 @@ static void udf_put_super(struct super_block *sb)
1824 udf_sb_free_bitmap(map->s_fspace.s_bitmap); 1927 udf_sb_free_bitmap(map->s_fspace.s_bitmap);
1825 if (map->s_partition_type == UDF_SPARABLE_MAP15) 1928 if (map->s_partition_type == UDF_SPARABLE_MAP15)
1826 for (i = 0; i < 4; i++) 1929 for (i = 0; i < 4; i++)
1827 brelse(map->s_type_specific.s_sparing.s_spar_map[i]); 1930 brelse(map->s_type_specific.s_sparing.
1931 s_spar_map[i]);
1828 } 1932 }
1829#ifdef CONFIG_UDF_NLS 1933#ifdef CONFIG_UDF_NLS
1830 if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) 1934 if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
@@ -1881,7 +1985,8 @@ static unsigned char udf_bitmap_lookup[16] = {
1881 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 1985 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
1882}; 1986};
1883 1987
1884static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) 1988static unsigned int udf_count_free_bitmap(struct super_block *sb,
1989 struct udf_bitmap *bitmap)
1885{ 1990{
1886 struct buffer_head *bh = NULL; 1991 struct buffer_head *bh = NULL;
1887 unsigned int accum = 0; 1992 unsigned int accum = 0;
@@ -1942,7 +2047,8 @@ out:
1942 return accum; 2047 return accum;
1943} 2048}
1944 2049
1945static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table) 2050static unsigned int udf_count_free_table(struct super_block *sb,
2051 struct inode *table)
1946{ 2052{
1947 unsigned int accum = 0; 2053 unsigned int accum = 0;
1948 uint32_t elen; 2054 uint32_t elen;
@@ -1974,9 +2080,12 @@ static unsigned int udf_count_free(struct super_block *sb)
1974 2080
1975 sbi = UDF_SB(sb); 2081 sbi = UDF_SB(sb);
1976 if (sbi->s_lvid_bh) { 2082 if (sbi->s_lvid_bh) {
1977 struct logicalVolIntegrityDesc *lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; 2083 struct logicalVolIntegrityDesc *lvid =
2084 (struct logicalVolIntegrityDesc *)
2085 sbi->s_lvid_bh->b_data;
1978 if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) { 2086 if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) {
1979 accum = le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]); 2087 accum = le32_to_cpu(
2088 lvid->freeSpaceTable[sbi->s_partition]);
1980 if (accum == 0xFFFFFFFF) 2089 if (accum == 0xFFFFFFFF)
1981 accum = 0; 2090 accum = 0;
1982 } 2091 }
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index e6f933dd6a7b..dcf06ef84f0f 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -33,7 +33,8 @@
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, char *to) 36static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen,
37 char *to)
37{ 38{
38 struct pathComponent *pc; 39 struct pathComponent *pc;
39 int elen = 0; 40 int elen = 0;
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index 6931f6bfa1ae..5c1bf921f400 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -154,7 +154,8 @@ void udf_discard_prealloc(struct inode *inode)
154 extent_trunc(inode, &epos, eloc, etype, elen, 0); 154 extent_trunc(inode, &epos, eloc, etype, elen, 0);
155 if (!epos.bh) { 155 if (!epos.bh) {
156 UDF_I_LENALLOC(inode) = 156 UDF_I_LENALLOC(inode) =
157 epos.offset - udf_file_entry_alloc_offset(inode); 157 epos.offset -
158 udf_file_entry_alloc_offset(inode);
158 mark_inode_dirty(inode); 159 mark_inode_dirty(inode);
159 } else { 160 } else {
160 struct allocExtDesc *aed = 161 struct allocExtDesc *aed =
@@ -213,7 +214,8 @@ void udf_truncate_extents(struct inode *inode)
213 else 214 else
214 lenalloc -= sizeof(struct allocExtDesc); 215 lenalloc -= sizeof(struct allocExtDesc);
215 216
216 while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { 217 while ((etype = udf_current_aext(inode, &epos, &eloc,
218 &elen, 0)) != -1) {
217 if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { 219 if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
218 udf_write_aext(inode, &epos, neloc, nelen, 0); 220 udf_write_aext(inode, &epos, neloc, nelen, 0);
219 if (indirect_ext_len) { 221 if (indirect_ext_len) {
@@ -225,35 +227,43 @@ void udf_truncate_extents(struct inode *inode)
225 0, indirect_ext_len); 227 0, indirect_ext_len);
226 } else { 228 } else {
227 if (!epos.bh) { 229 if (!epos.bh) {
228 UDF_I_LENALLOC(inode) = lenalloc; 230 UDF_I_LENALLOC(inode) =
231 lenalloc;
229 mark_inode_dirty(inode); 232 mark_inode_dirty(inode);
230 } else { 233 } else {
231 struct allocExtDesc *aed = 234 struct allocExtDesc *aed =
232 (struct allocExtDesc *)(epos.bh->b_data); 235 (struct allocExtDesc *)
236 (epos.bh->b_data);
237 int len =
238 sizeof(struct allocExtDesc);
239
233 aed->lengthAllocDescs = 240 aed->lengthAllocDescs =
234 cpu_to_le32(lenalloc); 241 cpu_to_le32(lenalloc);
235 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || 242 if (!UDF_QUERY_FLAG(sb,
243 UDF_FLAG_STRICT) ||
236 sbi->s_udfrev >= 0x0201) 244 sbi->s_udfrev >= 0x0201)
237 udf_update_tag(epos.bh->b_data, 245 len += lenalloc;
238 lenalloc + 246
239 sizeof(struct allocExtDesc)); 247 udf_update_tag(epos.bh->b_data,
240 else 248 len);
241 udf_update_tag(epos.bh->b_data, 249 mark_buffer_dirty_inode(
242 sizeof(struct allocExtDesc)); 250 epos.bh, inode);
243 mark_buffer_dirty_inode(epos.bh, inode);
244 } 251 }
245 } 252 }
246 brelse(epos.bh); 253 brelse(epos.bh);
247 epos.offset = sizeof(struct allocExtDesc); 254 epos.offset = sizeof(struct allocExtDesc);
248 epos.block = eloc; 255 epos.block = eloc;
249 epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); 256 epos.bh = udf_tread(sb,
257 udf_get_lb_pblock(sb, eloc, 0));
250 if (elen) 258 if (elen)
251 indirect_ext_len = (elen + sb->s_blocksize -1) >> 259 indirect_ext_len =
260 (elen + sb->s_blocksize - 1) >>
252 sb->s_blocksize_bits; 261 sb->s_blocksize_bits;
253 else 262 else
254 indirect_ext_len = 1; 263 indirect_ext_len = 1;
255 } else { 264 } else {
256 extent_trunc(inode, &epos, eloc, etype, elen, 0); 265 extent_trunc(inode, &epos, eloc, etype,
266 elen, 0);
257 epos.offset += adsize; 267 epos.offset += adsize;
258 } 268 }
259 } 269 }
@@ -274,10 +284,11 @@ void udf_truncate_extents(struct inode *inode)
274 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || 284 if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) ||
275 sbi->s_udfrev >= 0x0201) 285 sbi->s_udfrev >= 0x0201)
276 udf_update_tag(epos.bh->b_data, 286 udf_update_tag(epos.bh->b_data,
277 lenalloc + sizeof(struct allocExtDesc)); 287 lenalloc +
288 sizeof(struct allocExtDesc));
278 else 289 else
279 udf_update_tag(epos.bh->b_data, 290 udf_update_tag(epos.bh->b_data,
280 sizeof(struct allocExtDesc)); 291 sizeof(struct allocExtDesc));
281 mark_buffer_dirty_inode(epos.bh, inode); 292 mark_buffer_dirty_inode(epos.bh, inode);
282 } 293 }
283 } 294 }
@@ -291,13 +302,16 @@ void udf_truncate_extents(struct inode *inode)
291 * extending the file by 'offset' blocks. 302 * extending the file by 'offset' blocks.
292 */ 303 */
293 if ((!epos.bh && 304 if ((!epos.bh &&
294 epos.offset == udf_file_entry_alloc_offset(inode)) || 305 epos.offset ==
295 (epos.bh && epos.offset == sizeof(struct allocExtDesc))) { 306 udf_file_entry_alloc_offset(inode)) ||
307 (epos.bh && epos.offset ==
308 sizeof(struct allocExtDesc))) {
296 /* File has no extents at all or has empty last 309 /* File has no extents at all or has empty last
297 * indirect extent! Create a fake extent... */ 310 * indirect extent! Create a fake extent... */
298 extent.extLocation.logicalBlockNum = 0; 311 extent.extLocation.logicalBlockNum = 0;
299 extent.extLocation.partitionReferenceNum = 0; 312 extent.extLocation.partitionReferenceNum = 0;
300 extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; 313 extent.extLength =
314 EXT_NOT_RECORDED_NOT_ALLOCATED;
301 } else { 315 } else {
302 epos.offset -= adsize; 316 epos.offset -= adsize;
303 etype = udf_next_aext(inode, &epos, 317 etype = udf_next_aext(inode, &epos,
@@ -306,7 +320,9 @@ void udf_truncate_extents(struct inode *inode)
306 extent.extLength |= etype << 30; 320 extent.extLength |= etype << 30;
307 } 321 }
308 udf_extend_file(inode, &epos, &extent, 322 udf_extend_file(inode, &epos, &extent,
309 offset + ((inode->i_size & (sb->s_blocksize - 1)) != 0)); 323 offset +
324 ((inode->i_size &
325 (sb->s_blocksize - 1)) != 0));
310 } 326 }
311 } 327 }
312 UDF_I_LENEXTENTS(inode) = inode->i_size; 328 UDF_I_LENEXTENTS(inode) = inode->i_size;
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c
index adcb87c2da7e..ce595732ba6f 100644
--- a/fs/udf/udftime.c
+++ b/fs/udf/udftime.c
@@ -18,8 +18,10 @@
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
22 * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is 22 * to unix time
23 * 10/04/98: added new table-based lookup after seeing how ugly
24 * the gnu code is
23 * blf 09/27/99: ripped out all the old code and inserted new table from 25 * blf 09/27/99: ripped out all the old code and inserted new table from
24 * John Brockmeyer (without leap second corrections) 26 * John Brockmeyer (without leap second corrections)
25 * rewrote udf_stamp_to_time and fixed timezone accounting in 27 * rewrote udf_stamp_to_time and fixed timezone accounting in
@@ -55,27 +57,27 @@ static const unsigned short int __mon_yday[2][13] = {
55 57
56#define MAX_YEAR_SECONDS 69 58#define MAX_YEAR_SECONDS 69
57#define SPD 0x15180 /*3600*24 */ 59#define SPD 0x15180 /*3600*24 */
58#define SPY(y,l,s) (SPD * (365*y+l)+s) 60#define SPY(y, l, s) (SPD * (365 * y + l) + s)
59 61
60static time_t year_seconds[MAX_YEAR_SECONDS]= { 62static 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), 63/*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), 64/*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), 65/*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), 66/*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), 67/*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), 68/*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), 69/*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), 70/*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), 71/*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), 72/*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), 73/*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), 74/*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), 75/*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), 76/*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), 77/*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), 78/*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), 79/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0),
78/*2038*/ SPY(68,17,0) 80/*2038*/ SPY(68, 17, 0)
79}; 81};
80 82
81extern struct timezone sys_tz; 83extern struct timezone sys_tz;
@@ -115,7 +117,7 @@ time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
115 return dest; 117 return dest;
116} 118}
117 119
118kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) 120kernel_timestamp *udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
119{ 121{
120 long int days, rem, y; 122 long int days, rem, y;
121 const unsigned short int *ip; 123 const unsigned short int *ip;
@@ -137,7 +139,7 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
137 dest->second = rem % 60; 139 dest->second = rem % 60;
138 y = 1970; 140 y = 1970;
139 141
140#define DIV(a,b) ((a) / (b) - ((a) % (b) < 0)) 142#define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
141#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400)) 143#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
142 144
143 while (days < 0 || days >= (__isleap(y) ? 366 : 365)) { 145 while (days < 0 || days >= (__isleap(y) ? 366 : 365)) {
@@ -145,8 +147,8 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
145 147
146 /* Adjust DAYS and Y to match the guessed year. */ 148 /* Adjust DAYS and Y to match the guessed year. */
147 days -= ((yg - y) * 365 149 days -= ((yg - y) * 365
148 + LEAPS_THRU_END_OF (yg - 1) 150 + LEAPS_THRU_END_OF(yg - 1)
149 - LEAPS_THRU_END_OF (y - 1)); 151 - LEAPS_THRU_END_OF(y - 1));
150 y = yg; 152 y = yg;
151 } 153 }
152 dest->year = y; 154 dest->year = y;
@@ -158,7 +160,8 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
158 dest->day = days + 1; 160 dest->day = days + 1;
159 161
160 dest->centiseconds = ts.tv_nsec / 10000000; 162 dest->centiseconds = ts.tv_nsec / 10000000;
161 dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; 163 dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 -
164 dest->centiseconds * 10000) / 100;
162 dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - 165 dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
163 dest->hundredsOfMicroseconds * 100); 166 dest->hundredsOfMicroseconds * 100);
164 return dest; 167 return dest;
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 9e6099c26c27..e533b11703bf 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -136,12 +136,18 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
136 if (c < 0x80U) { 136 if (c < 0x80U) {
137 utf_o->u_name[utf_o->u_len++] = (uint8_t)c; 137 utf_o->u_name[utf_o->u_len++] = (uint8_t)c;
138 } else if (c < 0x800U) { 138 } else if (c < 0x800U) {
139 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6)); 139 utf_o->u_name[utf_o->u_len++] =
140 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); 140 (uint8_t)(0xc0 | (c >> 6));
141 utf_o->u_name[utf_o->u_len++] =
142 (uint8_t)(0x80 | (c & 0x3f));
141 } else { 143 } else {
142 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12)); 144 utf_o->u_name[utf_o->u_len++] =
143 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f)); 145 (uint8_t)(0xe0 | (c >> 12));
144 utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); 146 utf_o->u_name[utf_o->u_len++] =
147 (uint8_t)(0x80 |
148 ((c >> 6) & 0x3f));
149 utf_o->u_name[utf_o->u_len++] =
150 (uint8_t)(0x80 | (c & 0x3f));
145 } 151 }
146 } 152 }
147 utf_o->u_cmpID = 8; 153 utf_o->u_cmpID = 8;
@@ -232,9 +238,8 @@ try_again:
232 goto error_out; 238 goto error_out;
233 } 239 }
234 240
235 if (max_val == 0xffffU) { 241 if (max_val == 0xffffU)
236 ocu[++u_len] = (uint8_t)(utf_char >> 8); 242 ocu[++u_len] = (uint8_t)(utf_char >> 8);
237 }
238 ocu[++u_len] = (uint8_t)(utf_char & 0xffU); 243 ocu[++u_len] = (uint8_t)(utf_char & 0xffU);
239 } 244 }
240 245
@@ -330,29 +335,29 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
330 struct ustr filename, unifilename; 335 struct ustr filename, unifilename;
331 int len; 336 int len;
332 337
333 if (udf_build_ustr_exact(&unifilename, sname, flen)) { 338 if (udf_build_ustr_exact(&unifilename, sname, flen))
334 return 0; 339 return 0;
335 }
336 340
337 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { 341 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
338 if (!udf_CS0toUTF8(&filename, &unifilename)) { 342 if (!udf_CS0toUTF8(&filename, &unifilename)) {
339 udf_debug("Failed in udf_get_filename: sname = %s\n", sname); 343 udf_debug("Failed in udf_get_filename: sname = %s\n",
344 sname);
340 return 0; 345 return 0;
341 } 346 }
342 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { 347 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
343 if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { 348 if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename,
344 udf_debug("Failed in udf_get_filename: sname = %s\n", sname); 349 &unifilename)) {
350 udf_debug("Failed in udf_get_filename: sname = %s\n",
351 sname);
345 return 0; 352 return 0;
346 } 353 }
347 } else { 354 } else
348 return 0; 355 return 0;
349 }
350 356
351 len = udf_translate_to_linux(dname, filename.u_name, filename.u_len, 357 len = udf_translate_to_linux(dname, filename.u_name, filename.u_len,
352 unifilename.u_name, unifilename.u_len); 358 unifilename.u_name, unifilename.u_len);
353 if (len) { 359 if (len)
354 return len; 360 return len;
355 }
356 361
357 return 0; 362 return 0;
358} 363}
@@ -363,23 +368,20 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname,
363 struct ustr unifilename; 368 struct ustr unifilename;
364 int namelen; 369 int namelen;
365 370
366 if (!(udf_char_to_ustr(&unifilename, sname, flen))) { 371 if (!udf_char_to_ustr(&unifilename, sname, flen))
367 return 0; 372 return 0;
368 }
369 373
370 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { 374 if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
371 namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN); 375 namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN);
372 if (!namelen) { 376 if (!namelen)
373 return 0; 377 return 0;
374 }
375 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { 378 } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
376 namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN); 379 namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname,
377 if (!namelen) { 380 &unifilename, UDF_NAME_LEN);
381 if (!namelen)
378 return 0; 382 return 0;
379 } 383 } else
380 } else {
381 return 0; 384 return 0;
382 }
383 385
384 return namelen; 386 return namelen;
385} 387}
@@ -389,8 +391,9 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname,
389#define CRC_MARK '#' 391#define CRC_MARK '#'
390#define EXT_SIZE 5 392#define EXT_SIZE 5
391 393
392static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, 394static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
393 uint8_t *fidName, int fidNameLen) 395 int udfLen, uint8_t *fidName,
396 int fidNameLen)
394{ 397{
395 int index, newIndex = 0, needsCRC = 0; 398 int index, newIndex = 0, needsCRC = 0;
396 int extIndex = 0, newExtIndex = 0, hasExt = 0; 399 int extIndex = 0, newExtIndex = 0, hasExt = 0;
@@ -409,13 +412,16 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
409 if (curr == '/' || curr == 0) { 412 if (curr == '/' || curr == 0) {
410 needsCRC = 1; 413 needsCRC = 1;
411 curr = ILLEGAL_CHAR_MARK; 414 curr = ILLEGAL_CHAR_MARK;
412 while (index + 1 < udfLen && (udfName[index + 1] == '/' || 415 while (index + 1 < udfLen &&
413 udfName[index + 1] == 0)) 416 (udfName[index + 1] == '/' ||
417 udfName[index + 1] == 0))
414 index++; 418 index++;
415 } if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) { 419 }
416 if (udfLen == index + 1) { 420 if (curr == EXT_MARK &&
421 (udfLen - index - 1) <= EXT_SIZE) {
422 if (udfLen == index + 1)
417 hasExt = 0; 423 hasExt = 0;
418 } else { 424 else {
419 hasExt = 1; 425 hasExt = 1;
420 extIndex = index; 426 extIndex = index;
421 newExtIndex = newIndex; 427 newExtIndex = newIndex;
@@ -433,16 +439,18 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
433 439
434 if (hasExt) { 440 if (hasExt) {
435 int maxFilenameLen; 441 int maxFilenameLen;
436 for(index = 0; index < EXT_SIZE && extIndex + index + 1 < udfLen; index++) { 442 for (index = 0;
443 index < EXT_SIZE && extIndex + index + 1 < udfLen;
444 index++) {
437 curr = udfName[extIndex + index + 1]; 445 curr = udfName[extIndex + index + 1];
438 446
439 if (curr == '/' || curr == 0) { 447 if (curr == '/' || curr == 0) {
440 needsCRC = 1; 448 needsCRC = 1;
441 curr = ILLEGAL_CHAR_MARK; 449 curr = ILLEGAL_CHAR_MARK;
442 while(extIndex + index + 2 < udfLen && 450 while (extIndex + index + 2 < udfLen &&
443 (index + 1 < EXT_SIZE 451 (index + 1 < EXT_SIZE &&
444 && (udfName[extIndex + index + 2] == '/' || 452 (udfName[extIndex + index + 2] == '/' ||
445 udfName[extIndex + index + 2] == 0))) 453 udfName[extIndex + index + 2] == 0)))
446 index++; 454 index++;
447 } 455 }
448 ext[localExtIndex++] = curr; 456 ext[localExtIndex++] = curr;
@@ -452,9 +460,8 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
452 newIndex = maxFilenameLen; 460 newIndex = maxFilenameLen;
453 else 461 else
454 newIndex = newExtIndex; 462 newIndex = newExtIndex;
455 } else if (newIndex > 250) { 463 } else if (newIndex > 250)
456 newIndex = 250; 464 newIndex = 250;
457 }
458 newName[newIndex++] = CRC_MARK; 465 newName[newIndex++] = CRC_MARK;
459 valueCRC = udf_crc(fidName, fidNameLen, 0); 466 valueCRC = udf_crc(fidName, fidNameLen, 0);
460 newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; 467 newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 08:45:25 -0500