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 23 owner=mreitz@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 here=`pwd` 29 status=1 # failure is the default! 30 31 _cleanup() 32 { 33 _cleanup_test_img 34 } 35 trap "_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 46 IMGOPTS="compat=1.1" 47 IMG_SIZE=64M 48 49 echo 50 echo "=== Testing snapshotting an image with zero clusters ===" 51 echo 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 61 echo "*** done" 62 rm -f $seq.full 63 status=0 64