From b7bc28b7b7dfdcaf6be9f3d8050994d2df35d3e9 Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Sun, 2 Nov 2014 19:41:46 +0100
Subject: [PATCH] cache: wipe cache-pool before reuse

Before we reuse cache-pool - we need to ensure metadata volume
has wiped header.
---
 lib/metadata/lv_manip.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c
index a42a7f5f6..b5fc84ad4 100644
--- a/lib/metadata/lv_manip.c
+++ b/lib/metadata/lv_manip.c
@@ -6678,6 +6678,10 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg,
 				lp->extents = size;
 			}
 		}
+
+		if (seg_is_cache(lp) &&
+		    !wipe_cache_pool(pool_lv))
+			return_NULL;
 	}
 
 	/* Resolve origin volume */