1#!/usr/bin/env bash 2# 3# Test case for snapshotting images with unallocated zero clusters in 4# qcow2 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=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# This tests qocw2-specific low-level functionality 41_supported_fmt qcow2 42_supported_proto generic 43_supported_os Linux 44 45IMGOPTS="compat=1.1" 46IMG_SIZE=64M 47 48echo 49echo "=== Testing snapshotting an image with zero clusters ===" 50echo 51_make_test_img $IMG_SIZE 52# Write some zero clusters 53$QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io 54# Create a snapshot 55$QEMU_IMG snapshot -c foo "$TEST_IMG" 56# Check the image (there shouldn't be any errors or leaks) 57_check_test_img 58 59# success, all done 60echo "*** done" 61rm -f $seq.full 62status=0 63