#! /bin/bash
# FSQA Test No. 133
#
# Concurrent I/O to same file to ensure no deadlocks
#
#-----------------------------------------------------------------------
# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# 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.
#
# This program is distributed in the hope that it would 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, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#-----------------------------------------------------------------------
#

seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1    # failure is the default!
trap "exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_fs generic
_supported_os Linux IRIX
_require_test
_require_odirect

echo "Buffered writer, buffered reader"
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
$XFS_IO_PROG -f -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test >/dev/null &
$XFS_IO_PROG -c 'pread -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
wait
rm $TEST_DIR/io_test

echo "Direct writer, buffered reader"
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test >/dev/null &
$XFS_IO_PROG -c 'pread -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
wait
rm $TEST_DIR/io_test

echo "Buffered writer, direct reader"
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
$XFS_IO_PROG -f -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test >/dev/null &
$XFS_IO_PROG -d -c 'pread -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
wait
rm $TEST_DIR/io_test

echo "Direct writer, direct reader"
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
$XFS_IO_PROG -f -d -c 'pwrite -b 64k 0 512m' $TEST_DIR/io_test >/dev/null &
$XFS_IO_PROG -d -c 'pread -b 64k 0 512m' $TEST_DIR/io_test > /dev/null
wait
rm $TEST_DIR/io_test

status=0
exit