From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Thu, 19 Jul 2007 08:47:00 +0000 (-0700)
Subject: ocfs2: release page lock before calling ->page_mkwrite
X-Git-Tag: v2.6.23-rc1~473
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6967614761fd305b3414d9485d89dc2e0a407410;p=pandora-kernel.git

ocfs2: release page lock before calling ->page_mkwrite

__do_fault() was calling ->page_mkwrite() with the page lock held, which
violates the locking rules for that callback.  Release and retake the page
lock around the callback to avoid deadlocking file systems which manually
take it.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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