From 5a60c532c9224babc172fafccc9e2fec6937af6f Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Wed, 26 Sep 2007 09:39:31 +0100
Subject: [PATCH] [GFS2] Get superblock a different way

The mapping may be NULL by the time the I/O has completed, so
we now get the superblock by a different route (via the bd and glock)
to avoid this problem.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Wendy Cheng <wcheng@redhat.com>
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Reading git-format-patch failed