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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Checking consistency of old-snapshot metadata after de/activation
# Validates recent snapshot target kernel updates and error
# is triggered by kernel 3.14-rc[1..5]
# http://www.redhat.com/archives/dm-devel/2014-March/msg00005.html
#
SKIP_WITH_LVMPOLLD=1
. lib/inittest
# Snapshot should remain unmodified
check_s_() {
check dev_md5sum $vg s
#diff data "$DM_DEV_DIR/$vg/s"
}
which md5sum || skip
aux prepare_vg
# 8M file with some random data
dd if=/dev/urandom of=data bs=1M count=1 conv=fdatasync
dd if=data of=data bs=1M count=7 seek=1 conv=fdatasync
echo "$(md5sum data | cut -d' ' -f1) $DM_DEV_DIR/$vg/s" >md5.${vg}-s
lvcreate -aey -L 8M -n o $vg
dd if=data of="$DM_DEV_DIR/$vg/o" bs=1M conv=fdatasync
lvcreate -L 8M -s -n s $vg/o
check_s_
dd if=data of="$DM_DEV_DIR/$vg/o" bs=1234567 count=1 skip=1 conv=fdatasync
check_s_
lvchange -an $vg
lvchange -ay $vg
check_s_
dd if=data of="$DM_DEV_DIR/$vg/o" bs=1234567 count=2 skip=1 conv=fdatasync
check_s_
lvchange -an $vg
lvchange -ay $vg
check_s_
vgremove -f $vg
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