From f494a9c6b1b6dd9a9f21bbb75d9210d478eeb498 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 31 Oct 2013 13:55:49 -0400
Subject: [PATCH] dm cache: cache shrinking support

Allow a cache to shrink if the blocks being removed from the cache are
not dirty.

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