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` 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41# This tests qocw2-specific low-level functionality 42_supported_fmt qcow2 43_supported_proto generic 44_supported_os Linux 45 46IMGOPTS="compat=1.1" 47IMG_SIZE=64M 48 49echo 50echo "=== Testing snapshotting an image with zero clusters ===" 51echo 52_make_test_img $IMG_SIZE 53# Write some zero clusters 54$QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io 55# Create a snapshot 56$QEMU_IMG snapshot -c foo "$TEST_IMG" 57# Check the image (there shouldn't be any errors or leaks) 58_check_test_img 59 60# success, all done 61echo "*** done" 62rm -f $seq.full 63status=0 64