tests: thin external origin resize

test/shell/lvresize-thin-external-origin.sh

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+#!/bin/sh
+# Copyright (C) 2014 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# Test resize of thin volume with external origin
+. lib/test
+
+aux have_thin 1 2 0 || skip
+
+# Pretend we miss the external_origin_extend feature
+aux lvmconf "global/thin_disabled_features = [ \"external_origin_extend\" ]"
+
+aux prepare_pvs 2
+
+vgcreate -s 1M $vg $(cat DEVICES)
+
+lvcreate -L10 -n $lv1 $vg
+
+# Prepare thin pool
+lvcreate -L20 -T $vg/pool
+
+# Convert $lv1 into thin LV with external origin
+lvconvert -T $vg/$lv1 --thinpool $vg/pool --originname ext
+
+lvs -a $vg
+
+# Bigger size is not supported without feature external_origin_extend
+not lvresize -L+10 $vg/$lv1
+
+# But reduction works
+lvresize -L-5 -f $vg/$lv1
+not lvresize -L+15 -y $vg/$lv1
+# We may size again back up to the size of external origin
+# TODO: hmm do we really want this???
+lvresize -L+5 -f $vg/$lv1