xref: /openbmc/qemu/tests/qemu-iotests/023 (revision db76ec62) 
1#!/bin/bash
2#
3# qcow2 pattern test with various cluster sizes
4#
5# Copyright (C) 2009 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=kwolf@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27here=`pwd`
28tmp=/tmp/$$
29status=1	# failure is the default!
30
31_cleanup()
32{
33	_cleanup_test_img
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40. ./common.pattern
41
42# much of this could be generic for any format supporting compression.
43_supported_fmt qcow qcow2
44_supported_proto file
45_supported_os Linux
46
47TEST_OFFSETS="0 4294967296"
48TEST_OPS="writev read write readv"
49
50# Can't use 512 byte clusters, the tests use cluster halves
51CLUSTER_SIZES="1024 4096 16384 65536"
52
53for CLUSTER_SIZE in $CLUSTER_SIZES; do
54
55    echo "Creating new image; cluster size: $CLUSTER_SIZE"
56    echo
57
58    _make_test_img 8G
59
60    echo "Testing empty image"
61    echo
62
63    for offset in $TEST_OFFSETS; do
64        echo "At offset $offset:"
65        for op in $TEST_OPS; do
66            io_test $op $offset $CLUSTER_SIZE 3
67        done
68        _check_test_img
69    done
70
71    echo "Compressing image"
72    echo
73
74    mv "$TEST_IMG" "$TEST_IMG.orig"
75    $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
76
77    echo "Testing compressed image"
78    echo
79
80    for offset in $TEST_OFFSETS; do
81        echo "With offset $offset:"
82        for op in read readv; do
83            io_test $op $offset $CLUSTER_SIZE 3
84        done
85        _check_test_img
86    done
87
88    echo "Testing compressed image with odd offsets"
89    echo
90    for offset in $TEST_OFFSETS; do
91        # Some odd offset (1 sector), so tests will write to areas occupied partly
92        # by old (compressed) data and empty clusters
93        offset=$((offset + 512))
94        echo "With offset $offset:"
95        for op in $TEST_OPS; do
96            io_test $op $offset $CLUSTER_SIZE 3
97        done
98        _check_test_img
99    done
100
101    echo "Creating another new image"
102    echo
103
104    _make_test_img 8G
105
106    echo "More complex patterns"
107    echo
108
109    for offset in $TEST_OFFSETS; do
110        echo test2: With offset $offset
111        io_test2 $offset $CLUSTER_SIZE 4
112        _check_test_img
113    done
114
115done
116
117# success, all done
118echo "*** done"
119rm -f $seq.full
120status=0
121