From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 4 Dec 2008 08:00:17 +0000 (+0100)
Subject: lockdep: change a held lock's class
X-Git-Tag: v2.6.29-rc1~572^2^4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00ef9f7348dfd2fc223ec42aceb30836e86b367f;p=pandora-kernel.git

lockdep: change a held lock's class

Impact: introduce new lockdep API

Allow to change a held lock's class. Basically the same as the existing
code to change a subclass therefore reuse all that.

The XFS code will be able to use this to annotate their inode locking.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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