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| author | Changwei Ge <ge.changwei@h3c.com> | 2018-02-01 03:15:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 04:18:35 +0300 |
| commit | e75ed71be4f2f7508bd7d1d993d34095a10ca447 (patch) | |
| tree | 52500d9c656268adc73ed0b9904ffc4ac045d4d7 /fs/ocfs2 | |
| parent | c4c2416ab0d656539cca5de4ae0a2ba8ec3d9eca (diff) | |
| download | linux-e75ed71be4f2f7508bd7d1d993d34095a10ca447.tar.xz | |
ocfs2: unlock bh_state if bg check fails
We should unlock bh_stat if bg->bg_free_bits_count > bg->bg_bits
Link: http://lkml.kernel.org/r/1516843095-23680-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Suggested-by: Jan Kara <jack@suse.cz>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/suballoc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 2d8d31c85f45..d8f5f6ce99dc 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -2438,6 +2438,8 @@ static int ocfs2_block_group_clear_bits(handle_t *handle, } le16_add_cpu(&bg->bg_free_bits_count, num_bits); if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) { + if (undo_fn) + jbd_unlock_bh_state(group_bh); return ocfs2_error(alloc_inode->i_sb, "Group descriptor # %llu has bit count %u but claims %u are freed. num_bits %d\n", (unsigned long long)le64_to_cpu(bg->bg_blkno), le16_to_cpu(bg->bg_bits), |