#! /bin/bash
# FS QA Test No. 476
#
# Run an all-writes fsstress run with multiple threads to shake out
# bugs in the write path.
#
#-----------------------------------------------------------------------
# Copyright (c) 2017 Oracle, 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 "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -f $tmp.*
	$KILLALL_PROG -9 fsstress > /dev/null 2>&1
}

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

# Modify as appropriate.
_supported_fs generic
_supported_os Linux

_require_scratch
_require_command "$KILLALL_PROG" "killall"

rm -f $seqres.full

echo "Silence is golden."

_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1

nr_cpus=$((LOAD_FACTOR * 4))
nr_ops=$((25000 * nr_cpus * TIME_FACTOR))
$FSSTRESS_PROG $FSSTRESS_AVOID -w -d $SCRATCH_MNT -n $nr_ops -p $nr_cpus >> $seqres.full

# success, all done
status=0
exit