|  | #!/bin/bash | 
|  | # | 
|  | # Check for one possible case of qcow2 refcount corruption. | 
|  | # | 
|  | # Copyright (C) 2009 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=kwolf@redhat.com | 
|  |  | 
|  | seq=`basename $0` | 
|  | echo "QA output created by $seq" | 
|  |  | 
|  | here=`pwd` | 
|  | tmp=/tmp/$$ | 
|  | status=1	# failure is the default! | 
|  |  | 
|  | _cleanup() | 
|  | { | 
|  | _cleanup_test_img | 
|  | true | 
|  | } | 
|  | trap "_cleanup; exit \$status" 0 1 2 3 15 | 
|  |  | 
|  | # get standard environment, filters and checks | 
|  | . ./common.rc | 
|  | . ./common.filter | 
|  |  | 
|  | # currently only qcow2 allows for consistency checks using qemu-img | 
|  | _supported_fmt qcow2 | 
|  | _supported_proto generic | 
|  | _supported_os Linux | 
|  | # refcount_bits must be at least 4 so we can create ten internal snapshots | 
|  | # (1 bit supports none, 2 bits support two, 4 bits support 14) | 
|  | _unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' | 
|  |  | 
|  | echo | 
|  | echo "creating image" | 
|  | _make_test_img 1M | 
|  |  | 
|  | for i in `seq 1 10`; do | 
|  | echo "savevm $i" | 
|  | $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF | 
|  | savevm test-$i | 
|  | quit | 
|  | EOF | 
|  | done | 
|  |  | 
|  | echo | 
|  | echo "checking image for errors" | 
|  | _check_test_img | 
|  |  | 
|  | # success, all done | 
|  | echo "*** done" | 
|  | rm -f $seq.full | 
|  | status=0 |