xref: /qemu/tests/qemu-iotests/090 (revision 52ea63de)
1#!/bin/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 $seq"
26
27here="$PWD"
28status=1	# failure is the default!
29
30_cleanup()
31{
32	_cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt qcow2
41_supported_proto file nfs
42_supported_os Linux
43
44IMG_SIZE=128K
45
46_make_test_img $IMG_SIZE
47
48$QEMU_IO -c 'write -c -P 42 0 64k' \
49         -c 'write -c -P 23 64k 64k' \
50         -c 'discard 64k 64k' \
51         "$TEST_IMG" | _filter_qemu_io
52
53$QEMU_IO -c 'read -P 0 64k 64k' "$TEST_IMG" | _filter_qemu_io
54
55_check_test_img
56
57# success, all done
58echo "*** done"
59rm -f $seq.full
60status=0
61