1#!/usr/bin/env bash 2# group: rw auto backing quick 3# 4# Test qemu-img rebase with zero clusters 5# 6# Copyright (C) 2013 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=pbonzini@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.old" 34 _rm_test_img "$TEST_IMG.new" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41 42_supported_fmt qcow2 qed 43_supported_proto file fuse 44 45echo 46echo "== Creating images ==" 47 48TEST_IMG_SAVE="$TEST_IMG" 49TEST_IMG="$TEST_IMG.old" 50 51size=10M 52_make_test_img $size 53$QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io 54 55TEST_IMG="$TEST_IMG_SAVE.new" 56 57_make_test_img $size 58$QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io 59 60TEST_IMG="$TEST_IMG_SAVE" 61 62_make_test_img -b "$TEST_IMG.old" -F $IMGFMT $size 63$QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io 64 65echo 66echo "== Rebasing the image ==" 67 68$QEMU_IMG rebase -b "$TEST_IMG.new" -F $IMGFMT "$TEST_IMG" 69$QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io 70 71# success, all done 72echo "*** done" 73rm -f $seq.full 74status=0 75