tree e21ddba36d8ffa6706dc0c0db4ff7f8a81a92f2e
parent 1795cd9b3a91d4b5473c97f491d63892442212ab
author Niu Yawei <yawei.niu@gmail.com> 1401855733 +0800
committer Jan Kara <jack@suse.cz> 1405456578 +0200

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>