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#!/usr/bin/env bash
# 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 snapshot of cached LV
SKIP_WITH_LVMPOLLD=1
. lib/inittest
which mkfs.ext2 || skip
which fsck || skip
aux have_cache 1 5 0 || skip
aux prepare_vg 2
lvcreate --type cache-pool -L1 $vg/cpool
lvcreate -H -L4 -n $lv1 --cachepool $vg/cpool $vg
lvcreate -s -L2 -n $lv2 $vg/$lv1
check lv_field $vg/$lv1 segtype cache
# Make some 'fs' data in snapshot
mkfs.ext2 "$DM_DEV_DIR/$vg/$lv2"
mkdir mnt
mount "$DM_DEV_DIR/$vg/$lv2" mnt
touch mnt/test
umount mnt
sync
aux udev_wait
# Merge snap to origin
lvconvert --merge $vg/$lv2
# Check cached origin has no valid fs.
fsck -n "$DM_DEV_DIR/$vg/$lv1"
# Check deactivation
lvchange -an $vg
# Check activation
lvchange -ay $vg
lvconvert --uncache $vg/$lv1
check lv_field $vg/$lv1 segtype linear
# Uncached origin is fine as well
fsck -n "$DM_DEV_DIR/$vg/$lv1"
vgremove -ff $vg
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