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authorSachin Prabhu <sprabhu@redhat.com>2010-03-10 10:28:40 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-13 13:20:22 -0700
commit1fe6910cb27ef3512f96d4ff81c491eb322bd166 (patch)
parentbce8a761500acc6752aee26d9776bcaa6c812937 (diff)
Skip check for mandatory locks when unlocking
commit ee860b6a650360c91f5d5f9a94262aad9be90015 upstream. ocfs2_lock() will skip locks on file which has mode set to 02666. This is a problem in cases where the mode of the file is changed after a process has obtained a lock on the file. ocfs2_lock() should skip the check for mandatory locks when unlocking a file. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index 544ac6245175..b5cb3ede9408 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -133,7 +133,7 @@ int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl)
if (!(fl->fl_flags & FL_POSIX))
return -ENOLCK;
- if (__mandatory_lock(inode))
+ if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
return -ENOLCK;
return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl);