linux-kernel - [PULL] lockdep patches

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Date:	Wed, 22 Jul 2009 21:28:01 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>
Subject: [PULL] lockdep patches

Linus,

Please pull these lockdep patches from:

  ssh://master.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep.git lockdep-for-linus

Thanks,

  Peter

---
Peter Zijlstra (1):
      lockdep: Fix lockdep annotation for pipe_double_lock()

 fs/pipe.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index f7dd21a..52c4151 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -68,8 +68,8 @@ void pipe_double_lock(struct pipe_inode_info *pipe1,
 		pipe_lock_nested(pipe1, I_MUTEX_PARENT);
 		pipe_lock_nested(pipe2, I_MUTEX_CHILD);
 	} else {
-		pipe_lock_nested(pipe2, I_MUTEX_CHILD);
-		pipe_lock_nested(pipe1, I_MUTEX_PARENT);
+		pipe_lock_nested(pipe2, I_MUTEX_PARENT);
+		pipe_lock_nested(pipe1, I_MUTEX_CHILD);
 	}
 }
 


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