From: Niu Yawei <yawei.niu@gmail.com>
Date: Wed, 4 Jun 2014 04:19:12 +0000 (+0800)
Subject: quota: protect Q_GETFMT by dqonoff_mutex
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~84^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=606cdcca04a609ed4dfbfe788942de9477da556b;p=pandora-kernel.git

quota: protect Q_GETFMT by dqonoff_mutex

dqptr_sem will go away. Protect Q_GETFMT quotactl by
dqonoff_mutex instead. This is also enough to make sure
quota info will not go away while we are looking at it.

Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---

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