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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 23 owner=kwolf@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 _rm_test_img "$TEST_IMG.2" 34 _rm_test_img "$TEST_IMG.3" 35 } 36 trap "_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 45 size=64M 46 _make_test_img $size 47 48 echo 49 echo "Start from read-only" 50 echo 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 56 echo 57 echo "Start from read-write" 58 echo 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 66 echo "*** done" 67 rm -f $seq.full 68 status=0