From: Jan Kara <jack@suse.cz>
Date: Wed, 28 Apr 2010 17:04:29 +0000 (+0200)
Subject: ocfs2: Avoid unnecessary block mapping when refreshing quota info
X-Git-Tag: v2.6.35-rc1~455^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae4f6ef13417deaa49471c0e903914a3ef3be258;p=pandora-kernel.git

ocfs2: Avoid unnecessary block mapping when refreshing quota info

The position of global quota file info does not change. So we do not have
to do logical -> physical block translation every time we reread it from
disk. Thus we can also avoid taking ip_alloc_sem.

Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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