#!/usr/bin/env bash # group: rw auto backing quick # # Test qemu-img rebase with zero clusters # # Copyright (C) 2013 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=pbonzini@redhat.com seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! _cleanup() { _cleanup_test_img _rm_test_img "$TEST_IMG.old" _rm_test_img "$TEST_IMG.new" } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_fmt qcow2 qed _supported_proto file fuse echo echo "== Creating images ==" TEST_IMG_SAVE="$TEST_IMG" TEST_IMG="$TEST_IMG.old" size=10M _make_test_img $size $QEMU_IO -c "write -P 0x40 0 1048576" "$TEST_IMG" | _filter_qemu_io TEST_IMG="$TEST_IMG_SAVE.new" _make_test_img $size $QEMU_IO -c "write -P 0x5a 0 1048576" "$TEST_IMG" | _filter_qemu_io TEST_IMG="$TEST_IMG_SAVE" _make_test_img -b "$TEST_IMG.old" -F $IMGFMT $size $QEMU_IO -c "write -z 0 1048576" "$TEST_IMG" | _filter_qemu_io echo echo "== Rebasing the image ==" $QEMU_IMG rebase -b "$TEST_IMG.new" -F $IMGFMT "$TEST_IMG" $QEMU_IO -c "read -P 0x00 0 1048576" "$TEST_IMG" | _filter_qemu_io # success, all done echo "*** done" rm -f $seq.full status=0