From 8d30abff758b5f6c71343b7da6bb5de129a76c08 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Wed, 4 Dec 2013 19:16:11 -0500
Subject: [PATCH] dm thin: return error from alloc_data_block if pool is not in
 write mode

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