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#!/bin/bash
#
# Let a few AIO requests run in parallel and have them access different L2
# tables so that the cache has a chance to get used up.
#
# Copyright (C) 2012 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"
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
_supported_fmt qcow2
_supported_proto generic
_supported_os Linux
size=6G
CLUSTER_SIZE=512
echo
echo "creating image"
_make_test_img $size
function generate_requests() {
for i in $(seq 0 63); do
echo "aio_write ${i}M 512"
echo "aio_write ${i}M 512"
echo "aio_write ${i}M 512"
done
}
generate_requests | $QEMU_IO "$TEST_IMG" | _filter_qemu_io |\
sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
echo
echo "checking image for errors"
_check_test_img
# success, all done
echo "*** done"
rm -f $seq.full
status=0
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