From: Lachlan McIlroy <lachlan@sgi.com>
Date: Thu, 7 Sep 2006 04:27:05 +0000 (+1000)
Subject: [XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid calling
X-Git-Tag: v2.6.18-rc7~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=721259bce2851893155c6cb88a3f8ecb106b348c;p=pandora-kernel.git

[XFS] Fix ABBA deadlock between i_mutex and iolock. Avoid calling
__blockdev_direct_IO for the DIO_OWN_LOCKING case for direct I/O reads
since it drops and reacquires the i_mutex while holding the iolock and
this violates the locking order.

SGI-PV: 955696
SGI-Modid: xfs-linux-melb:xfs-kern:26898a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chatterton <chatz@sgi.com>
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