qemu/tests/qemu-iotests/047

#!/usr/bin/env bash
# group: rw auto quick
#
# Regression test for commit b7ab0fea (which was a corruption fix,
# despite the commit message claiming otherwise)
#
# Copyright (C) 2013 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# creator
owner=kwolf@redhat.com

seq=`basename $0`
echo "QA output created by $seq"

status=1	# failure is the default!

_cleanup()
{
	_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_supported_fmt qcow2
_supported_proto generic

size=128M

_make_test_img $size

qemu_io_cmds()
{
cat <<EOF
write -P 0x66 0 320k
write 320k 128k
write -P 0x55 1M 128k
write -P 0x88 448k 128k
discard 320k 128k
aio_flush

write -P 0x77 0 480k
aio_flush

read -P 0x77 0 480k
read -P 0x88 480k 96k
read -P 0x55 1M 128k
EOF
}

qemu_io_cmds | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
_check_test_img

# success, all done
echo "*** done"
rm -f $seq.full
status=0