blob: 1b28bdae6387ffe642a0056e37fee34246369d27 [file] [log] [blame]
Kevin Wolfab3a32a2012-04-12 15:28:12 +02001#!/bin/bash
2#
Eric Blake74021bc2016-06-01 15:10:04 -06003# Test bdrv_pwrite_zeroes with backing files (see also 154)
Kevin Wolfab3a32a2012-04-12 15:28:12 +02004#
5# Copyright (C) 2012 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 $seq"
26
27here=`pwd`
Kevin Wolfab3a32a2012-04-12 15:28:12 +020028status=1 # failure is the default!
29
30_cleanup()
31{
32 _cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt qcow qcow2 vmdk qed
Peter Lieven1f7bf7d2014-02-03 10:26:14 +010041_supported_proto file
Kevin Wolfab3a32a2012-04-12 15:28:12 +020042_supported_os Linux
Fam Zhengd2329f22013-11-26 14:40:33 +080043_unsupported_imgopts "subformat=monolithicFlat" \
44 "subformat=twoGbMaxExtentFlat" \
45 "subformat=twoGbMaxExtentSparse"
Kevin Wolfab3a32a2012-04-12 15:28:12 +020046
47CLUSTER_SIZE=4k
48size=128M
49
50echo
51echo "== creating backing file for COW tests =="
52
Fam Zheng55810182015-12-22 10:49:16 +080053TEST_IMG_SAVE="$TEST_IMG"
54TEST_IMG="$TEST_IMG.base"
55
Kevin Wolfab3a32a2012-04-12 15:28:12 +020056_make_test_img $size
Jeff Codyfef9c192013-09-25 08:12:22 -040057$QEMU_IO -c "write -P 0x55 0 1M" "$TEST_IMG" | _filter_qemu_io
Fam Zheng55810182015-12-22 10:49:16 +080058
59TEST_IMG="$TEST_IMG_SAVE"
Kevin Wolfab3a32a2012-04-12 15:28:12 +020060
Jeff Codyfef9c192013-09-25 08:12:22 -040061_make_test_img -b "$TEST_IMG.base" 6G
Kevin Wolfab3a32a2012-04-12 15:28:12 +020062
63echo
64echo "== zero write with backing file =="
Jeff Codyfef9c192013-09-25 08:12:22 -040065$QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io
66$QEMU_IO -c "write -z 513k 13k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +020067
68_check_test_img
69
70echo
71echo "== verifying patterns (3) =="
Jeff Codyfef9c192013-09-25 08:12:22 -040072$QEMU_IO -c "read -P 0x55 0 64k" "$TEST_IMG" | _filter_qemu_io
73$QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io
74$QEMU_IO -c "read -P 0x55 256k 257k" "$TEST_IMG" | _filter_qemu_io
75$QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io
76$QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +020077
78echo
79echo "== overwriting zero cluster =="
Jeff Codyfef9c192013-09-25 08:12:22 -040080$QEMU_IO -c "write -P 0xa 60k 8k" "$TEST_IMG" | _filter_qemu_io
81$QEMU_IO -c "write -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io
82$QEMU_IO -c "write -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io
83$QEMU_IO -c "write -P 0xd 252k 8k" "$TEST_IMG" | _filter_qemu_io
84$QEMU_IO -c "write -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +020085
86_check_test_img
87
88echo
89echo "== verifying patterns (4) =="
Jeff Codyfef9c192013-09-25 08:12:22 -040090$QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io
91$QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io
92$QEMU_IO -c "read -P 0xb 64k 8k" "$TEST_IMG" | _filter_qemu_io
93$QEMU_IO -c "read -P 0x0 72k 4k" "$TEST_IMG" | _filter_qemu_io
94$QEMU_IO -c "read -P 0xc 76k 4k" "$TEST_IMG" | _filter_qemu_io
95$QEMU_IO -c "read -P 0x0 80k 168k" "$TEST_IMG" | _filter_qemu_io
96$QEMU_IO -c "read -P 0xe 248k 8k" "$TEST_IMG" | _filter_qemu_io
97$QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io
98$QEMU_IO -c "read -P 0x55 260k 64k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +020099
100echo
101echo "== re-zeroing overwritten area =="
Jeff Codyfef9c192013-09-25 08:12:22 -0400102$QEMU_IO -c "write -z 64k 192k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +0200103
104_check_test_img
105
106echo
107echo "== verifying patterns (5) =="
Jeff Codyfef9c192013-09-25 08:12:22 -0400108$QEMU_IO -c "read -P 0x55 0 60k" "$TEST_IMG" | _filter_qemu_io
109$QEMU_IO -c "read -P 0xa 60k 4k" "$TEST_IMG" | _filter_qemu_io
110$QEMU_IO -c "read -P 0x0 64k 192k" "$TEST_IMG" | _filter_qemu_io
111$QEMU_IO -c "read -P 0xd 256k 4k" "$TEST_IMG" | _filter_qemu_io
112$QEMU_IO -c "read -P 0x55 260k 253k" "$TEST_IMG" | _filter_qemu_io
113$QEMU_IO -c "read -P 0x0 513k 13k" "$TEST_IMG" | _filter_qemu_io
114$QEMU_IO -c "read -P 0x55 526k 498k" "$TEST_IMG" | _filter_qemu_io
Kevin Wolfab3a32a2012-04-12 15:28:12 +0200115
116# success, all done
117echo "*** done"
118rm -f $seq.full
119status=0