diff options
Diffstat (limited to 'fs/ocfs2/move_extents.c')
-rw-r--r-- | fs/ocfs2/move_extents.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index 4c5488468c14..cd9427023d2e 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c | |||
@@ -368,7 +368,7 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode, | |||
368 | int *vict_bit, | 368 | int *vict_bit, |
369 | struct buffer_head **ret_bh) | 369 | struct buffer_head **ret_bh) |
370 | { | 370 | { |
371 | int ret, i, blocks_per_unit = 1; | 371 | int ret, i, bits_per_unit = 0; |
372 | u64 blkno; | 372 | u64 blkno; |
373 | char namebuf[40]; | 373 | char namebuf[40]; |
374 | 374 | ||
@@ -398,14 +398,14 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode, | |||
398 | rec = &(cl->cl_recs[0]); | 398 | rec = &(cl->cl_recs[0]); |
399 | 399 | ||
400 | if (type == GLOBAL_BITMAP_SYSTEM_INODE) | 400 | if (type == GLOBAL_BITMAP_SYSTEM_INODE) |
401 | blocks_per_unit <<= (osb->s_clustersize_bits - | 401 | bits_per_unit = osb->s_clustersize_bits - |
402 | inode->i_sb->s_blocksize_bits); | 402 | inode->i_sb->s_blocksize_bits; |
403 | /* | 403 | /* |
404 | * 'vict_blkno' was out of the valid range. | 404 | * 'vict_blkno' was out of the valid range. |
405 | */ | 405 | */ |
406 | if ((vict_blkno < le64_to_cpu(rec->c_blkno)) || | 406 | if ((vict_blkno < le64_to_cpu(rec->c_blkno)) || |
407 | (vict_blkno >= (le32_to_cpu(ac_dinode->id1.bitmap1.i_total) * | 407 | (vict_blkno >= (le32_to_cpu(ac_dinode->id1.bitmap1.i_total) << |
408 | blocks_per_unit))) { | 408 | bits_per_unit))) { |
409 | ret = -EINVAL; | 409 | ret = -EINVAL; |
410 | goto out; | 410 | goto out; |
411 | } | 411 | } |
@@ -441,8 +441,8 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode, | |||
441 | le16_to_cpu(bg->bg_bits))) { | 441 | le16_to_cpu(bg->bg_bits))) { |
442 | 442 | ||
443 | *ret_bh = gd_bh; | 443 | *ret_bh = gd_bh; |
444 | *vict_bit = (vict_blkno - blkno) / | 444 | *vict_bit = (vict_blkno - blkno) >> |
445 | blocks_per_unit; | 445 | bits_per_unit; |
446 | mlog(0, "find the victim group: #%llu, " | 446 | mlog(0, "find the victim group: #%llu, " |
447 | "total_bits: %u, vict_bit: %u\n", | 447 | "total_bits: %u, vict_bit: %u\n", |
448 | blkno, le16_to_cpu(bg->bg_bits), | 448 | blkno, le16_to_cpu(bg->bg_bits), |
@@ -472,12 +472,24 @@ static int ocfs2_validate_and_adjust_move_goal(struct inode *inode, | |||
472 | int ret, goal_bit = 0; | 472 | int ret, goal_bit = 0; |
473 | 473 | ||
474 | struct buffer_head *gd_bh = NULL; | 474 | struct buffer_head *gd_bh = NULL; |
475 | struct ocfs2_group_desc *bg; | 475 | struct ocfs2_group_desc *bg = NULL; |
476 | struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); | 476 | struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); |
477 | int c_to_b = 1 << (osb->s_clustersize_bits - | 477 | int c_to_b = 1 << (osb->s_clustersize_bits - |
478 | inode->i_sb->s_blocksize_bits); | 478 | inode->i_sb->s_blocksize_bits); |
479 | 479 | ||
480 | /* | 480 | /* |
481 | * make goal become cluster aligned. | ||
482 | */ | ||
483 | range->me_goal = ocfs2_block_to_cluster_start(inode->i_sb, | ||
484 | range->me_goal); | ||
485 | /* | ||
486 | * moving goal is not allowd to start with a group desc blok(#0 blk) | ||
487 | * let's compromise to the latter cluster. | ||
488 | */ | ||
489 | if (range->me_goal == le64_to_cpu(bg->bg_blkno)) | ||
490 | range->me_goal += c_to_b; | ||
491 | |||
492 | /* | ||
481 | * validate goal sits within global_bitmap, and return the victim | 493 | * validate goal sits within global_bitmap, and return the victim |
482 | * group desc | 494 | * group desc |
483 | */ | 495 | */ |
@@ -491,19 +503,6 @@ static int ocfs2_validate_and_adjust_move_goal(struct inode *inode, | |||
491 | bg = (struct ocfs2_group_desc *)gd_bh->b_data; | 503 | bg = (struct ocfs2_group_desc *)gd_bh->b_data; |
492 | 504 | ||
493 | /* | 505 | /* |
494 | * make goal become cluster aligned. | ||
495 | */ | ||
496 | if (range->me_goal % c_to_b) | ||
497 | range->me_goal = range->me_goal / c_to_b * c_to_b; | ||
498 | |||
499 | /* | ||
500 | * moving goal is not allowd to start with a group desc blok(#0 blk) | ||
501 | * let's compromise to the latter cluster. | ||
502 | */ | ||
503 | if (range->me_goal == le64_to_cpu(bg->bg_blkno)) | ||
504 | range->me_goal += c_to_b; | ||
505 | |||
506 | /* | ||
507 | * movement is not gonna cross two groups. | 506 | * movement is not gonna cross two groups. |
508 | */ | 507 | */ |
509 | if ((le16_to_cpu(bg->bg_bits) - goal_bit) * osb->s_clustersize < | 508 | if ((le16_to_cpu(bg->bg_bits) - goal_bit) * osb->s_clustersize < |