1#!/bin/sh 2# 3# Test for AIO allocation on the same cluster 4# 5# Copyright (C) 2009 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program; if not, write to the Free Software 19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 20# USA 21# 22 23# creator 24owner=kwolf@redhat.com 25 26seq=`basename $0` 27echo "QA output created by $seq" 28 29here=`pwd` 30tmp=/tmp/$$ 31status=1 # failure is the default! 32 33_cleanup() 34{ 35 _cleanup_test_img 36} 37trap "_cleanup; exit \$status" 0 1 2 3 15 38 39# get standard environment, filters and checks 40. ./common.rc 41. ./common.filter 42 43_supported_fmt qcow2 44_supported_os Linux 45 46 47size=6G 48 49echo 50echo "creating image" 51_make_test_img $size 52 53 54echo 55echo "overlapping I/O" 56for i in `seq 1 10`; do 57 let mb=1024*1024 58 let off1=$i*$mb 59 let off2=$off1+512 60 61 # Note that we filter away the actual offset. That's because qemu 62 # may re-order the two aio requests. We only want to make sure the 63 # filesystem isn't corrupted afterwards anyway. 64 $QEMU_IO $TEST_IMG -c "aio_write $off1 1M" -c "aio_write $off2 1M" | \ 65 _filter_qemu_io | \ 66 sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g' 67done 68 69echo 70echo "checking image for errors" 71_check_test_img 72 73# success, all done 74echo "*** done" 75rm -f $seq.full 76status=0 77