#!/usr/bin/env bash

# Copyright (C) 2012,2017 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


SKIP_WITH_LVMPOLLD=1

. lib/inittest

aux have_raid 1 3 0 || skip

levels="5 6 10"
aux have_raid4 && levels="4 $levels"
aux have_raid 1 7 0 && levels="0 0_meta $levels"

aux prepare_pvs 6
get_devs

vgcreate $SHARED -s 256K "$vg" "${DEVICES[@]}"

for deactivate in true false; do

# Extend and reduce a 2-way RAID1
	lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg

	test $deactivate && {
		aux wait_for_sync $vg $lv1
		lvchange -an $vg/$lv1
	}

	lvresize -l +2 $vg/$lv1

	NOT_RESIZE=
	aux have_raid 1 9 0 || NOT_RESIZE=not
	$NOT_RESIZE lvresize --fs ignore -y -l -2 $vg/$lv1
	#check raid_images_contiguous $vg $lv1

# Extend and reduce 3-striped RAID 4/5/6/10
	for i in $levels ; do
		lvcreate --type raid$i -i 3 -l 3 -n $lv2 $vg
		check lv_field $vg/$lv2 "seg_size" "768.00k"

		test $deactivate && {
			aux wait_for_sync $vg $lv2
			lvchange -an $vg/$lv2
		}

		lvresize -l +3 $vg/$lv2
		check lv_field $vg/$lv2 "seg_size" "1.50m"

		#check raid_images_contiguous $vg $lv1
		if [ -z "$NOT_RESIZE" ] ; then
			lvresize --fs ignore -y -l -3 $vg/$lv2
			check lv_field $vg/$lv2 "seg_size" "768.00k"
		fi

		#check raid_images_contiguous $vg $lv1

		lvremove -ff $vg
	done
done

# Bug 1005434
# Ensure extend is contiguous
lvcreate --type raid5 -l 2 -i 2 -n $lv1 $vg "$dev4" "$dev5" "$dev6"
lvextend -l +2 --alloc contiguous $vg/$lv1
check lv_tree_on $vg $lv1 "$dev4" "$dev5" "$dev6"

vgremove -f $vg