aboutsummaryrefslogtreecommitdiffstats
path: root/fs/udf/inode.c
diff options
context:
space:
mode:
authorMarcin Slusarz <marcin.slusarz@gmail.com>2008-02-08 07:20:36 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 12:22:35 -0500
commit4b11111aba6c80cc2969fd1806d2a869bfc9f357 (patch)
tree57b72a1ca58859dc6a9e47d647f29cebb9bcf7e0 /fs/udf/inode.c
parentbd45a420f93d18c91115f3f0568dd6a2555aa15a (diff)
udf: fix coding style
fix coding style errors found by checkpatch: - assignments in if conditions - braces {} around single statement blocks - no spaces after commas - printks without KERN_* - lines longer than 80 characters - spaces between "type *" and variable name before: 192 errors, 561 warnings, 8987 lines checked after: 1 errors, 38 warnings, 9468 lines checked Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/inode.c')
-rw-r--r--fs/udf/inode.c665
1 files changed, 401 insertions, 264 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 2eb1220e423..3ce2f6d1aaf 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;
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-19 12:36:31 -0400