Commit ea22b7a2 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

qemu-iotests: Test reopen between read-only and read-write 



This serves as a regression test for the bugs that were just fixed for
bdrv_reopen() between read-only and read-write mode.

Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Reviewed-by: default avatarJeff Cody <jcody@redhat.com>
Reviewed-by: default avatarJohn Snow <jsnow@redhat.com>
parent ea92203c

tests/qemu-iotests/187

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#!/bin/bash

#

# Test switching between read-only and read-write

#

# Copyright (C) 2017 Red Hat, Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#



# creator

owner=kwolf@redhat.com



seq=`basename $0`

echo "QA output created by $seq"



here=`pwd`

status=1	# failure is the default!



_cleanup()

{

	_cleanup_test_img

    rm -f "$TEST_IMG.2"

    rm -f "$TEST_IMG.3"

}

trap "_cleanup; exit \$status" 0 1 2 3 15



# get standard environment, filters and checks

. ./common.rc

. ./common.filter



_supported_fmt qcow2

_supported_proto file

_supported_os Linux



size=64M

_make_test_img $size



echo

echo "Start from read-only"

echo



$QEMU_IO -r -c 'write 0 64k' $TEST_IMG | _filter_qemu_io

$QEMU_IO -r -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io

$QEMU_IO -r -c 'reopen -w' -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io



echo

echo "Start from read-write"

echo



$QEMU_IO -c 'write 0 64k' $TEST_IMG | _filter_qemu_io

$QEMU_IO -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io

$QEMU_IO -c 'reopen -r' -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io





# success, all done

echo "*** done"

rm -f $seq.full

status=0

tests/qemu-iotests/187.out

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QA output created by 187

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864



Start from read-only



Block node is read-only

wrote 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

Block node is read-only



Start from read-write



wrote 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

write failed: Operation not permitted

wrote 65536/65536 bytes at offset 0

64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

*** done

tests/qemu-iotests/group

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@@ -182,6 +182,7 @@ 
183 rw auto migration

185 rw auto

186 rw auto

187 rw auto

188 rw auto quick

189 rw auto

190 rw auto quick