| #!/usr/bin/env bash | 
 | # group: rw auto quick | 
 | # | 
 | # Test case for snapshotting images with unallocated zero clusters in | 
 | # qcow2 | 
 | # | 
 | # Copyright (C) 2013 Red Hat, Inc. | 
 | # | 
 | # This program is free software; you can redistribute it and/or modify | 
 | # it under the terms of the GNU General Public License as published by | 
 | # the Free Software Foundation; either version 2 of the License, or | 
 | # (at your option) any later version. | 
 | # | 
 | # This program is distributed in the hope that it will be useful, | 
 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 | # GNU General Public License for more details. | 
 | # | 
 | # You should have received a copy of the GNU General Public License | 
 | # along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
 | # | 
 |  | 
 | # creator | 
 | owner=hreitz@redhat.com | 
 |  | 
 | seq=`basename $0` | 
 | echo "QA output created by $seq" | 
 |  | 
 | status=1	# failure is the default! | 
 |  | 
 | _cleanup() | 
 | { | 
 | 	_cleanup_test_img | 
 | } | 
 | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
 |  | 
 | # get standard environment, filters and checks | 
 | . ./common.rc | 
 | . ./common.filter | 
 |  | 
 | # This tests qcow2-specific low-level functionality | 
 | _supported_fmt qcow2 | 
 | _supported_proto generic | 
 | # We need zero clusters and snapshots | 
 | _unsupported_imgopts 'compat=0.10' 'refcount_bits=1[^0-9]' data_file | 
 |  | 
 | IMG_SIZE=64M | 
 |  | 
 | echo | 
 | echo "=== Testing snapshotting an image with zero clusters ===" | 
 | echo | 
 | _make_test_img $IMG_SIZE | 
 | # Write some zero clusters | 
 | $QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io | 
 | # Create a snapshot | 
 | $QEMU_IMG snapshot -c foo "$TEST_IMG" | 
 | # Check the image (there shouldn't be any errors or leaks) | 
 | _check_test_img | 
 |  | 
 | # success, all done | 
 | echo "*** done" | 
 | rm -f $seq.full | 
 | status=0 |