From: Niu Yawei <yawei.niu@gmail.com>
Date: Wed, 4 Jun 2014 04:22:13 +0000 (+0800)
Subject: quota: missing lock in dqcache_shrink_scan()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~286^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d68aab6b8f572406aa93b45ef6483934dd3b54a6;p=pandora-kernel.git

quota: missing lock in dqcache_shrink_scan()

Commit 1ab6c4997e04 (fs: convert fs shrinkers to new scan/count API)
accidentally removed locking from quota shrinker. Fix it -
dqcache_shrink_scan() should use dq_list_lock to protect the
scan on free_dquots list.

CC: stable@vger.kernel.org
Fixes: 1ab6c4997e04a00c50c6d786c2f046adc0d1f5de
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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