From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Sat, 27 Mar 2010 12:15:38 +0000 (+0300)
Subject: quota: optimize mark_dirty logic
X-Git-Tag: v2.6.35-rc1~455^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eabf290d1470921f0ce5a9b22464ae30646a0677;p=pandora-kernel.git

quota: optimize mark_dirty logic

- Skip locking if quota is dirty already.
- Return old quota state to help fs-specciffic implementation to optimize
  case where quota was dirty already.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
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