From: Jan Kara <jack@suse.cz>
Date: Mon, 4 Apr 2011 19:33:39 +0000 (-0400)
Subject: ext4: remove unnecessary [cm]time update of quota file
X-Git-Tag: v2.6.39-rc3~2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21f976975cbecbdaf23ceeacc1cab2b1c05a028e;p=pandora-kernel.git

ext4: remove unnecessary [cm]time update of quota file

It is not necessary to update [cm]time of quota file on each quota
file write and it wastes journal space and IO throughput with inode
writes. So just remove the updating from ext4_quota_write() and only
update times when quotas are being turned off. Userspace cannot get
anything reliable from quota files while they are used by the kernel
anyway.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

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