From aa8920c96897dd82f0520f9e7db7311b42547ce6 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 13 Nov 2012 14:50:35 +0000
Subject: [PATCH] GFS2: Fix one RG corner case

For filesystems with only a single resource group, we need to be careful
that the allocation loop will not land up with a NULL resource group. This
fixes a bug in a previous patch where the gfs2_rgrpd_get_next() function
was being used instead of gfs2_rgrpd_get_first()

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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