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| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2023-06-03 18:03:10 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-06-15 07:02:10 +0300 |
| commit | 497885f72d930305d8e61b6b616b22b4da1adf90 (patch) | |
| tree | d7aa7a384f664f3bfa8b67346f0fdb8dba083563 /fs/ext4 | |
| parent | b3916da0d9636285c8a881802956631f9e2ebb5b (diff) | |
| download | linux-497885f72d930305d8e61b6b616b22b4da1adf90.tar.xz | |
ext4: fix unit mismatch in ext4_mb_new_blocks_simple
The "i" returned from mb_find_next_zero_bit is in cluster unit and we
need offset "block" corresponding to "i" in block unit. Convert "i" to
block unit to fix the unit mismatch.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Link: https://lore.kernel.org/r/20230603150327.3596033-3-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/mballoc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 7d88f76070be..d8caef7cd9d0 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -6011,6 +6011,7 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle, { struct buffer_head *bitmap_bh; struct super_block *sb = ar->inode->i_sb; + struct ext4_sb_info *sbi = EXT4_SB(sb); ext4_group_t group; ext4_grpblk_t blkoff; ext4_grpblk_t max = EXT4_CLUSTERS_PER_GROUP(sb); @@ -6039,7 +6040,8 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle, if (i >= max) break; if (ext4_fc_replay_check_excluded(sb, - ext4_group_first_block_no(sb, group) + i)) { + ext4_group_first_block_no(sb, group) + + EXT4_C2B(sbi, i))) { blkoff = i + 1; } else break; @@ -6056,7 +6058,7 @@ static ext4_fsblk_t ext4_mb_new_blocks_simple(handle_t *handle, return 0; } - block = ext4_group_first_block_no(sb, group) + i; + block = ext4_group_first_block_no(sb, group) + EXT4_C2B(sbi, i); ext4_mb_mark_bb(sb, block, 1, 1); ar->len = 1; |