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1#!/usr/bin/env bash 2# group: rw auto 3# 4# Test switching between read-only and read-write 5# 6# Copyright (C) 2017 Red Hat, Inc. 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22# creator 23owner=kwolf@redhat.com 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 _rm_test_img "$TEST_IMG.2" 34 _rm_test_img "$TEST_IMG.3" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41 42_supported_fmt qcow2 43_supported_proto file fuse 44 45size=64M 46_make_test_img $size 47 48echo 49echo "Start from read-only" 50echo 51 52$QEMU_IO -r -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 53$QEMU_IO -r -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 54$QEMU_IO -r -c 'reopen -w' -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 55 56echo 57echo "Start from read-write" 58echo 59 60$QEMU_IO -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 61$QEMU_IO -c 'reopen -r' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 62$QEMU_IO -c 'reopen -r' -c 'reopen -w' -c 'write 0 64k' $TEST_IMG | _filter_qemu_io 63 64 65# success, all done 66echo "*** done" 67rm -f $seq.full 68status=0