tests: test pvmove behavior after restart

Simulate crash of the system and restarted pvmove after next VG
activation.

Test is catching regression introduced in 2.02.99 for partial tree
creation changes.

test/shell/pvmove-restart.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright (C) 2013 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
+
+# Check pvmove behavior when it's progress and machine is rebooted
+
+. lib/test
+
+aux prepare_pvs 3 60
+
+vgcreate -s 128k $vg "$dev1" "$dev2" "$dev3"
+
+# Create multisegment LV
+lvcreate -an -Zn -l5 -n $lv1 $vg "$dev1"
+lvextend -l+10 $vg/$lv1 "$dev2"
+lvextend -l+5 $vg/$lv1 "$dev1"
+lvextend -l+10 $vg/$lv1 "$dev2"
+
+# Slowdown writes
+aux delay_dev "$dev3" 0 100
+
+lvs -o+devices $vg
+
+pvmove -i0 -n $vg/$lv1 "$dev1" "$dev3" &
+PVMOVE=$!
+# Let's wait a bit till pvmove starts and kill it
+sleep 1
+kill -9 $PVMOVE
+
+# Simulate reboot - forcibly remove related devices
+dmsetup remove $vg-$lv1
+dmsetup remove $vg-pvmove0
+
+# Only PVs should be left in table...
+dmsetup table
+
+# Restart pvmove
+vgchange -ay $vg
+
+pvmove --abort
+
+# Restore delayed device back
+aux delay_dev "$dev3"
+
+lvs -a -o+devices $vg