From 2f6c9896f71e6b6c1c565ea76dd9f5e89579c120 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 31 Jan 2013 18:33:38 -0800
Subject: [PATCH] gfs2: Introduce qd2index

Both qd_alloc and qd2offset perform the exact same computation
to get an index from a gfs2_quota_data.   Make life a little
simpler and factor out this index computation.

Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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