1#!/bin/bash 2# 3# Test qemu-img rebase with zero clusters 4# 5# Copyright (C) 2013 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=pbonzini@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 rm -f "$TEST_IMG.old" 34 rm -f "$TEST_IMG.new" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41 42_supported_fmt qcow2 qed 43_supported_proto file 44_supported_os Linux 45 46if test "$IMGFMT" = qcow2 && test $IMGOPTS = ""; then 47 IMGOPTS=compat=1.1 48fi 49 50echo 51echo "== Creating images ==" 52 53TEST_IMG_SAVE="$TEST_IMG" 54TEST_IMG="$TEST_IMG.old" 55 56size=10M 57_make_test_img $size 58$QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io 59 60TEST_IMG="$TEST_IMG_SAVE.new" 61 62_make_test_img $size 63$QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io 64 65TEST_IMG="$TEST_IMG_SAVE" 66 67_make_test_img -b "$TEST_IMG.old" $size 68$QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io 69 70echo 71echo "== Rebasing the image ==" 72 73$QEMU_IMG rebase -b "$TEST_IMG.new" "$TEST_IMG" 74$QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io 75 76# success, all done 77echo "*** done" 78rm -f $seq.full 79status=0 80