xref: /openbmc/qemu/tests/qemu-iotests/090 (revision f363d039)
1#!/usr/bin/env bash
2#
3# Test for discarding compressed clusters on qcow2 images
4#
5# Copyright (C) 2014 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=mreitz@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39_supported_fmt qcow2
40_supported_proto file nfs
41
42IMG_SIZE=128K
43
44_make_test_img $IMG_SIZE
45
46$QEMU_IO -c 'write -c -P 42 0 64k' \
47         -c 'write -c -P 23 64k 64k' \
48         -c 'discard 64k 64k' \
49         "$TEST_IMG" | _filter_qemu_io
50
51$QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io
52
53_check_test_img
54
55# success, all done
56echo "*** done"
57rm -f $seq.full
58status=0
59