| commit | 023d43c7b5a23a81fe8afa9f37296f8ed4be11fb | |
| author | Peter Zijlstra <peterz@infradead.org> | |
| Tue, 21 Jul 2009 08:09:23 +0000 (21 10:09 +0200) | ||
| committer | Peter Zijlstra <a.p.zijlstra@chello.nl> | |
| Wed, 22 Jul 2009 19:14:14 +0000 (22 21:14 +0200) | ||
| tree | a817c4765d17c5d7facb66ae43cbc2b04c28c05b | treesnapshot (tar.gz zip) |
| parent | aea1f7964ae6cba5eb419a958956deb9016b3341 | commitdiff |
lockdep: Fix lockdep annotation for pipe_double_lock()
The presumed use of the pipe_double_lock() routine is to lock 2 locks in
a deadlock free way by ordering the locks by their address. However it
fails to keep the specified lock classes in order and explicitly
annotates a deadlock.
Rectify this.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Miklos Szeredi <mszeredi@suse.cz>
LKML-Reference: <1248163763.15751.11098.camel@twins>
The presumed use of the pipe_double_lock() routine is to lock 2 locks in
a deadlock free way by ordering the locks by their address. However it
fails to keep the specified lock classes in order and explicitly
annotates a deadlock.
Rectify this.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Miklos Szeredi <mszeredi@suse.cz>
LKML-Reference: <1248163763.15751.11098.camel@twins>
| fs/pipe.c | diffblobblamehistory |