#!/bin/bash # # Test that AIO requests are drained before an image is closed. This used # to segfault because the request coroutine kept running even after the # BlockDriverState was freed. # # Copyright (C) 2011 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 } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.pattern # This works for any image format (though unlikely to segfault for raw) _supported_fmt generic _supported_proto generic _supported_os Linux echo echo === Prepare image === echo CLUSTER_SIZE=65536 _make_test_img 64M # Allocate every other cluster so that afterwards a big write request will # actually loop a while and issue many I/O requests for the lower layer for i in $(seq 0 128 4096); do echo "write ${i}k 64k"; done | $QEMU_IO $TEST_IMG | _filter_qemu_io echo echo === AIO request during close === echo $QEMU_IO -c "aio_write 0 4M" -c "close" $TEST_IMG | _filter_qemu_io _check_test_img # success, all done echo "*** done" rm -f $seq.full status=0