1#!/usr/bin/env bash 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, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=kwolf@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32} 33trap "_cleanup; exit \$status" 0 1 2 3 15 34 35# get standard environment, filters and checks 36. ./common.rc 37. ./common.filter 38 39_supported_fmt generic 40_supported_proto generic 41_supported_os Linux 42 43 44size=6G 45 46echo 47echo "creating image" 48_make_test_img $size 49 50 51echo 52echo "overlapping I/O" 53for i in `seq 1 10`; do 54 let mb=1024*1024 55 let off1=$i*$mb 56 let off2=$off1+512 57 58 # Note that we filter away the actual offset. That's because qemu 59 # may re-order the two aio requests. We only want to make sure the 60 # filesystem isn't corrupted afterwards anyway. 61 $QEMU_IO -c "aio_write $off1 1M" -c "aio_write $off2 1M" "$TEST_IMG" | \ 62 _filter_qemu_io | \ 63 sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g' 64done 65 66echo 67echo "checking image for errors" 68_check_test_img 69 70# success, all done 71echo "*** done" 72rm -f $seq.full 73status=0 74