| From | Luis Henriques <> | Subject | [PATCH 3.11 128/182] ocfs2: do not put bh when buffer_uptodate failed | Date | Thu, 24 Apr 2014 09:50:53 +0100 |
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3.11.10.9 -stable review patch. If anyone has any objections, please let me know.
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From: alex chen <alex.chen@huawei.com>
commit f7cf4f5bfe073ad792ab49c04f247626b3e38db6 upstream.
Do not put bh when buffer_uptodate failed in ocfs2_write_block and ocfs2_write_super_or_backup, because it will put bh in b_end_io. Otherwise it will hit a warning "VFS: brelse: Trying to free free buffer".
Signed-off-by: Alex Chen <alex.chen@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.com> Reviewed-by: Srinivas Eeda <srinivas.eeda@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- fs/ocfs2/buffer_head_io.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index 5d18ad1..4f66e00 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, * information for this bh as it's not marked locally * uptodate. */ ret = -EIO; - put_bh(bh); mlog_errno(ret); } @@ -420,7 +419,6 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, if (!buffer_uptodate(bh)) { ret = -EIO; - put_bh(bh); mlog_errno(ret); } -- 1.9.1
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