1#!/usr/bin/env bash 2# 3# Test that AIO requests are drained before an image is closed. This used 4# to segfault because the request coroutine kept running even after the 5# BlockDriverState was freed. 6# 7# Copyright (C) 2011 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 24owner=kwolf@redhat.com 25 26seq=`basename $0` 27echo "QA output created by $seq" 28 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40. ./common.pattern 41 42# This works for any image format (though unlikely to segfault for raw) 43_supported_fmt generic 44_supported_proto generic 45_unsupported_imgopts "subformat=streamOptimized" 46 47echo 48echo === Prepare image === 49echo 50 51CLUSTER_SIZE=65536 52_make_test_img 64M 53 54# Allocate every other cluster so that afterwards a big write request will 55# actually loop a while and issue many I/O requests for the lower layer 56for ((i=0;i<=4096;i+=128)); do echo "write ${i}k 64k"; done | $QEMU_IO "$TEST_IMG" | _filter_qemu_io 57 58echo 59echo === AIO request during close === 60echo 61$QEMU_IO -c "aio_write 0 4M" -c "close" "$TEST_IMG" | _filter_qemu_io 62_check_test_img 63 64# success, all done 65echo "*** done" 66rm -f $seq.full 67status=0 68