From dd8b0c2096e53b336324e99455efcc498599ba0f Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 24 Oct 2013 14:10:28 -0400
Subject: [PATCH] dm cache metadata: return bool from __superblock_all_zeroes

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Reading git-format-patch failed