From: Bob Peterson <rpeterso@redhat.com>
Date: Thu, 25 Jul 2013 13:53:49 +0000 (-0400)
Subject: GFS2: Remove unnecessary memory barrier
X-Git-Tag: v3.12-rc1~89^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=068213f7d3378d3e33d0f1b9415b2fdc3e9efa14;p=pandora-kernel.git

GFS2: Remove unnecessary memory barrier

Function test_and_clear_bit implies a memory barrier, so subsequent
memory barriers are unnecessary.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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