1#!/bin/bash 2# 3# Tests updates of the qcow2 L1 table 4# 5# Copyright (C) 2014 Red Hat, Inc. 6# 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=mreitz@redhat.com 23 24seq="$(basename $0)" 25echo "QA output created by $seq" 26 27status=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 39_supported_fmt qcow2 40_supported_proto file nfs 41_supported_os Linux 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 60