aboutsummaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/gfs2/dir.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index c77e18048d98..c32f7b3de662 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -397,11 +397,11 @@ static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh,
397{ 397{
398 struct gfs2_dirent *tmp, *cur; 398 struct gfs2_dirent *tmp, *cur;
399 char *bh_end; 399 char *bh_end;
400 uint32_t cur_rec_len; 400 uint16_t cur_rec_len;
401 401
402 cur = *dent; 402 cur = *dent;
403 bh_end = bh->b_data + bh->b_size; 403 bh_end = bh->b_data + bh->b_size;
404 cur_rec_len = be32_to_cpu(cur->de_rec_len); 404 cur_rec_len = be16_to_cpu(cur->de_rec_len);
405 405
406 if ((char *)cur + cur_rec_len >= bh_end) { 406 if ((char *)cur + cur_rec_len >= bh_end) {
407 if ((char *)cur + cur_rec_len > bh_end) { 407 if ((char *)cur + cur_rec_len > bh_end) {
@@ -413,7 +413,7 @@ static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh,
413 413
414 tmp = (struct gfs2_dirent *)((char *)cur + cur_rec_len); 414 tmp = (struct gfs2_dirent *)((char *)cur + cur_rec_len);
415 415
416 if ((char *)tmp + be32_to_cpu(tmp->de_rec_len) > bh_end) { 416 if ((char *)tmp + be16_to_cpu(tmp->de_rec_len) > bh_end) {
417 gfs2_consist_inode(dip); 417 gfs2_consist_inode(dip);
418 return -EIO; 418 return -EIO;
419 } 419 }
@@ -440,7 +440,7 @@ static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh,
440static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh, 440static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh,
441 struct gfs2_dirent *prev, struct gfs2_dirent *cur) 441 struct gfs2_dirent *prev, struct gfs2_dirent *cur)
442{ 442{
443 uint32_t cur_rec_len, prev_rec_len; 443 uint16_t cur_rec_len, prev_rec_len;
444 444
445 if (!cur->de_inum.no_addr) { 445 if (!cur->de_inum.no_addr) {
446 gfs2_consist_inode(dip); 446 gfs2_consist_inode(dip);
@@ -460,8 +460,8 @@ static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh,
460 460
461 /* Combine this dentry with the previous one. */ 461 /* Combine this dentry with the previous one. */
462 462
463 prev_rec_len = be32_to_cpu(prev->de_rec_len); 463 prev_rec_len = be16_to_cpu(prev->de_rec_len);
464 cur_rec_len = be32_to_cpu(cur->de_rec_len); 464 cur_rec_len = be16_to_cpu(cur->de_rec_len);
465 465
466 if ((char *)prev + prev_rec_len != (char *)cur) 466 if ((char *)prev + prev_rec_len != (char *)cur)
467 gfs2_consist_inode(dip); 467 gfs2_consist_inode(dip);
@@ -469,7 +469,7 @@ static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh,
469 gfs2_consist_inode(dip); 469 gfs2_consist_inode(dip);
470 470
471 prev_rec_len += cur_rec_len; 471 prev_rec_len += cur_rec_len;
472 prev->de_rec_len = cpu_to_be32(prev_rec_len); 472 prev->de_rec_len = cpu_to_be16(prev_rec_len);
473} 473}
474 474
475/** 475/**
@@ -513,7 +513,7 @@ int gfs2_dirent_alloc(struct gfs2_inode *dip, struct buffer_head *bh,
513 gfs2_trans_add_bh(dip->i_gl, bh, 1); 513 gfs2_trans_add_bh(dip->i_gl, bh, 1);
514 514
515 dent->de_rec_len = bh->b_size - offset; 515 dent->de_rec_len = bh->b_size - offset;
516 dent->de_rec_len = cpu_to_be32(dent->de_rec_len); 516 dent->de_rec_len = cpu_to_be16(dent->de_rec_len);
517 dent->de_name_len = name_len; 517 dent->de_name_len = name_len;
518 518
519 *dent_out = dent; 519 *dent_out = dent;
@@ -521,9 +521,10 @@ int gfs2_dirent_alloc(struct gfs2_inode *dip, struct buffer_head *bh,
521 } 521 }
522 522
523 do { 523 do {
524 uint32_t cur_rec_len, cur_name_len; 524 uint16_t cur_rec_len;
525 uint32_t cur_name_len;
525 526
526 cur_rec_len = be32_to_cpu(dent->de_rec_len); 527 cur_rec_len = be16_to_cpu(dent->de_rec_len);
527 cur_name_len = dent->de_name_len; 528 cur_name_len = dent->de_name_len;
528 529
529 if ((!dent->de_inum.no_addr && cur_rec_len >= rec_len) || 530 if ((!dent->de_inum.no_addr && cur_rec_len >= rec_len) ||
@@ -536,11 +537,11 @@ int gfs2_dirent_alloc(struct gfs2_inode *dip, struct buffer_head *bh,
536 memset(new, 0, sizeof(struct gfs2_dirent)); 537 memset(new, 0, sizeof(struct gfs2_dirent));
537 538
538 new->de_rec_len = cur_rec_len - GFS2_DIRENT_SIZE(cur_name_len); 539 new->de_rec_len = cur_rec_len - GFS2_DIRENT_SIZE(cur_name_len);
539 new->de_rec_len = cpu_to_be32(new->de_rec_len); 540 new->de_rec_len = cpu_to_be16(new->de_rec_len);
540 new->de_name_len = name_len; 541 new->de_name_len = name_len;
541 542
542 dent->de_rec_len = cur_rec_len - be32_to_cpu(new->de_rec_len); 543 dent->de_rec_len = cur_rec_len - be16_to_cpu(new->de_rec_len);
543 dent->de_rec_len = cpu_to_be32(dent->de_rec_len); 544 dent->de_rec_len = cpu_to_be16(dent->de_rec_len);
544 545
545 *dent_out = new; 546 *dent_out = new;
546 return 0; 547 return 0;
@@ -589,9 +590,10 @@ static int dirent_fits(struct gfs2_inode *dip, struct buffer_head *bh,
589 return 1; 590 return 1;
590 591
591 do { 592 do {
592 uint32_t cur_rec_len, cur_name_len; 593 uint16_t cur_rec_len;
594 uint32_t cur_name_len;
593 595
594 cur_rec_len = be32_to_cpu(dent->de_rec_len); 596 cur_rec_len = be16_to_cpu(dent->de_rec_len);
595 cur_name_len = dent->de_name_len; 597 cur_name_len = dent->de_name_len;
596 598
597 if ((!dent->de_inum.no_addr && cur_rec_len >= rec_len) || 599 if ((!dent->de_inum.no_addr && cur_rec_len >= rec_len) ||
@@ -832,10 +834,10 @@ static int dir_make_exhash(struct gfs2_inode *dip)
832 /* Adjust the last dirent's record length 834 /* Adjust the last dirent's record length
833 (Remember that dent still points to the last entry.) */ 835 (Remember that dent still points to the last entry.) */
834 836
835 dent->de_rec_len = be32_to_cpu(dent->de_rec_len) + 837 dent->de_rec_len = be16_to_cpu(dent->de_rec_len) +
836 sizeof(struct gfs2_dinode) - 838 sizeof(struct gfs2_dinode) -
837 sizeof(struct gfs2_leaf); 839 sizeof(struct gfs2_leaf);
838 dent->de_rec_len = cpu_to_be32(dent->de_rec_len); 840 dent->de_rec_len = cpu_to_be16(dent->de_rec_len);
839 841
840 brelse(bh); 842 brelse(bh);
841 843