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1 #!/usr/bin/env bash 2 # group: rw auto quick 3 # 4 # Test case for snapshotting images with unallocated zero clusters in 5 # qcow2 6 # 7 # Copyright (C) 2013 Red Hat, Inc. 8 # 9 # This program is free software; you can redistribute it and/or modify 10 # it under the terms of the GNU General Public License as published by 11 # the Free Software Foundation; either version 2 of the License, or 12 # (at your option) any later version. 13 # 14 # This program is distributed in the hope that it will be useful, 15 # but WITHOUT ANY WARRANTY; without even the implied warranty of 16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 # GNU General Public License for more details. 18 # 19 # You should have received a copy of the GNU General Public License 20 # along with this program. If not, see <http://www.gnu.org/licenses/>. 21 # 22 23 # creator 24 owner=hreitz@redhat.com 25 26 seq=`basename $0` 27 echo "QA output created by $seq" 28 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 qcow2-specific low-level functionality 42 _supported_fmt qcow2 43 _supported_proto generic 44 # We need zero clusters and snapshots 45 _unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file 46 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