diff options
| author | Joseph Qi <joseph.qi@linux.alibaba.com> | 2024-03-14 05:17:13 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-26 07:07:01 +0300 |
| commit | 30dd3478c3cd7d01cc5afc4952e885ba4eefb730 (patch) | |
| tree | bd56bced69e421827a64c7c60d7d9eb6631c84d1 /fs/ocfs2/suballoc.c | |
| parent | 0bbac3facb5d6cc0171c45c9873a2dc96bea9680 (diff) | |
| download | linux-30dd3478c3cd7d01cc5afc4952e885ba4eefb730.tar.xz | |
ocfs2: correctly use ocfs2_find_next_zero_bit()
If no bits are zero, ocfs2_find_next_zero_bit() will return max size, so
check the return value with -1 is meaningless. Correct this usage and
cleanup the code.
Link: https://lkml.kernel.org/r/20240314021713.240796-1-joseph.qi@linux.alibaba.com
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/suballoc.c')
| -rw-r--r-- | fs/ocfs2/suballoc.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 166c8918c825..961998415308 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1290,10 +1290,8 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb, found = start = best_offset = best_size = 0; bitmap = bg->bg_bitmap; - while((offset = ocfs2_find_next_zero_bit(bitmap, total_bits, start)) != -1) { - if (offset == total_bits) - break; - + while ((offset = ocfs2_find_next_zero_bit(bitmap, total_bits, start)) < + total_bits) { if (!ocfs2_test_bg_bit_allocatable(bg_bh, offset)) { /* We found a zero, but we can't use it as it * hasn't been put to disk yet! */ |