From: Steven Whitehouse <swhiteho@redhat.com>
Date: Wed, 9 Mar 2011 11:14:32 +0000 (+0000)
Subject: GFS2: Remove potential race in flock code
X-Git-Tag: v2.6.39-rc1~488^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a33443b38746f35fc4acc8a5af6c7099e03ea40;p=pandora-kernel.git

GFS2: Remove potential race in flock code

This patch ensures that we always wait for glock demotion when
dropping flocks on a file in order to prevent any race
conditions associated with further flock calls or closing
the file.

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