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| author | Junxiao Bi <junxiao.bi@oracle.com> | 2013-02-21 16:42:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-28 06:32:25 -0800 |
| commit | 099f19c0426e465c44b66cc93f923461af6e5f8d (patch) | |
| tree | dd0bfa77a49727119c00ced90b1cb3d010101bb3 /fs | |
| parent | 9a84bc2154b9787917cfc69cd619110bb9ab802f (diff) | |
| download | kernel_samsung_tuna-099f19c0426e465c44b66cc93f923461af6e5f8d.zip kernel_samsung_tuna-099f19c0426e465c44b66cc93f923461af6e5f8d.tar.gz kernel_samsung_tuna-099f19c0426e465c44b66cc93f923461af6e5f8d.tar.bz2 | |
ocfs2: unlock super lock if lockres refresh failed
commit 3278bb748d2437eb1464765f36429e5d6aa91c38 upstream.
If lockres refresh failed, the super lock will never be released which
will cause some processes on other cluster nodes hung forever.
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ocfs2/dlmglue.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 7642d7c..ab4046f 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2539,6 +2539,7 @@ int ocfs2_super_lock(struct ocfs2_super *osb, * everything is up to the caller :) */ status = ocfs2_should_refresh_lock_res(lockres); if (status < 0) { + ocfs2_cluster_unlock(osb, lockres, level); mlog_errno(status); goto bail; } @@ -2547,8 +2548,10 @@ int ocfs2_super_lock(struct ocfs2_super *osb, ocfs2_complete_lock_res_refresh(lockres, status); - if (status < 0) + if (status < 0) { + ocfs2_cluster_unlock(osb, lockres, level); mlog_errno(status); + } ocfs2_track_lock_refresh(lockres); } bail: |