blob: 752d29f8ad50c854a367f95fbc3f158c86b482a4 [file] [log] [blame]
Philippe Mathieu-Daudé11a82d12019-03-07 15:58:38 +01001#!/usr/bin/env bash
Eric Blake40812d92017-04-29 14:14:19 -05002#
3# Test corner cases with unusual block geometries
4#
Eric Blaked6ac6e92018-01-17 10:54:19 -06005# Copyright (C) 2016-2018 Red Hat, Inc.
Eric Blake40812d92017-04-29 14:14:19 -05006#
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=eblake@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
Eric Blake40812d92017-04-29 14:14:19 -050027status=1 # failure is the default!
28
29_cleanup()
30{
31 _cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
Eric Blaked6ac6e92018-01-17 10:54:19 -060039# This test is runnable under compat=0.10; see test 204 for additional
40# tests specific to compat=1.1.
41
Eric Blake40812d92017-04-29 14:14:19 -050042_supported_fmt qcow2
43_supported_proto file
44
45CLUSTER_SIZE=1M
46size=128M
47options=driver=blkdebug,image.driver=qcow2
48
49echo
50echo "== setting up files =="
51
52TEST_IMG="$TEST_IMG.base" _make_test_img $size
53$QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io
54_make_test_img -b "$TEST_IMG.base"
Eric Blaked6ac6e92018-01-17 10:54:19 -060055$QEMU_IO -c "write -P 22 0 $size" "$TEST_IMG" | _filter_qemu_io
Eric Blake40812d92017-04-29 14:14:19 -050056
57# Limited to 64k max-transfer
58echo
59echo "== constrained alignment and max-transfer =="
60limits=align=4k,max-transfer=64k
61$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
62 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io
63
64echo
65echo "== write zero with constrained max-transfer =="
66limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE
67$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
68 -c "write -z 8003584 2093056" | _filter_qemu_io
69
70# non-power-of-2 write-zero/discard alignments
71echo
72echo "== non-power-of-2 write zeroes limits =="
73
74limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
75$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
76 -c "write -z 32M 32M" | _filter_qemu_io
77
78echo
79echo "== non-power-of-2 discard limits =="
80
81limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
82$QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
83 -c "discard 80000001 30M" | _filter_qemu_io
84
85echo
86echo "== verify image content =="
87
Eric Blake8cedcff2018-11-16 15:50:02 -060088verify_io()
Eric Blake40812d92017-04-29 14:14:19 -050089{
90 if ($QEMU_IMG info -f "$IMGFMT" "$TEST_IMG" |
91 grep "compat: 0.10" > /dev/null); then
92 # For v2 images, discarded clusters are read from the backing file
93 discarded=11
94 else
95 # Discarded clusters are zeroed for v3 or later
96 discarded=0
97 fi
98
99 echo read -P 22 0 1000
100 echo read -P 33 1000 128k
101 echo read -P 22 132072 7871512
102 echo read -P 0 8003584 2093056
103 echo read -P 22 10096640 23457792
104 echo read -P 0 32M 32M
105 echo read -P 22 64M 13M
106 echo read -P $discarded 77M 29M
Eric Blaked6ac6e92018-01-17 10:54:19 -0600107 echo read -P 22 106M 22M
Eric Blake40812d92017-04-29 14:14:19 -0500108}
109
110verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io
Eric Blake40812d92017-04-29 14:14:19 -0500111
112_check_test_img
113
114# success, all done
115echo "*** done"
116status=0