tests: check fail path on cache creation

test/shell/lvcreate-cache-fail.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+# Copyright (C) 2016 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+# Exercise creation of cache and cache pool volumes and failure path
+# https://bugzilla.redhat.com/1355923
+
+SKIP_WITH_LVMLOCKD=1
+SKIP_WITH_LVMPOLLD=1
+
+. lib/inittest
+
+aux have_cache 1 3 0 || skip
+
+#aux prepare_pvs 1 4707950
+#vgcreate $vg "$dev1"
+#lvcreate -L4T -n $lv1 $vg
+#lvcreate -H -L500G -n cache $vg/$lv1
+#fail lvcreate -H -l 127999 -n cache $vg/$lv1
+
+aux prepare_vg 1 20
+lvcreate -L10 -n $lv1 $vg
+fail lvcreate -H -L2 -n cache $vg/$lv1
+
+lvs -a $vg
+vgs $vg
+lvdisplay $vg
+
+#dmsetup table
+#dmsetup status
+#time dmsetup suspend ${vg}-${lv1}
+#time dmsetup resume ${vg}-${lv1}
+
+vgremove -ff $vg