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1#!/usr/bin/env bash 2# group: rw auto quick 3# 4# Tests updates of the qcow2 L1 table 5# 6# Copyright (C) 2014 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=mreitz@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} 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 qcow2 41_supported_proto file nfs fuse 42 43 44IMG_SIZE=64K 45 46echo 47echo '=== Updates should not write random data ===' 48echo 49 50_make_test_img $IMG_SIZE 51$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io 52$QEMU_IO -c "open -o driver=raw $TEST_IMG" -c 'read -p -P 0 196616 65528' \ 53 | _filter_qemu_io 54 55# success, all done 56echo "*** done" 57rm -f $seq.full 58status=0 59