1#!/bin/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 28here=`pwd` 29tmp=/tmp/$$ 30status=1 # failure is the default! 31 32_cleanup() 33{ 34 _cleanup_test_img 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# This tests qocw2-specific low-level functionality 43_supported_fmt qcow2 44_supported_proto generic 45_supported_os Linux 46 47IMGOPTS="compat=1.1" 48IMG_SIZE=64M 49 50echo 51echo "=== Testing snapshotting an image with zero clusters ===" 52echo 53_make_test_img $IMG_SIZE 54# Write some zero clusters 55$QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io 56# Create a snapshot 57$QEMU_IMG snapshot -c foo "$TEST_IMG" 58# Check the image (there shouldn't be any errors or leaks) 59_check_test_img 60 61# success, all done 62echo "*** done" 63rm -f $seq.full 64status=0 65