#!/bin/sh

#
# Copyright (c) 2008-2011 Peter Holm <pho@FreeBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

# Page fault seen: https://people.freebsd.org/~pho/stress/log/mountro.txt
# Fixed by r346031

. ../default.cfg

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

D=$diskimage
dd if=/dev/zero of=$D bs=1m count=128 status=none || exit 1

mount | grep "$mntpoint " | grep -q /md && umount -f $mntpoint
mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart

mdconfig -a -t vnode -f $D -u $mdstart || { rm -f $D; exit 1; }

bsdlabel -w md$mdstart auto
newfs $newfs_flags md${mdstart}$part > /dev/null 2>&1
mount /dev/md${mdstart}$part $mntpoint

mkdir $mntpoint/stressX
chmod 777 $mntpoint/stressX

export RUNDIR=$mntpoint/stressX
export runRUNTIME=4m
(cd ..; ./run.sh disk.cfg > /dev/null 2>&1) &
sleep 10

for i in `jot 10`; do
	mount -u -o ro $mntpoint
	sleep 3
	mount -u -o rw $mntpoint
	sleep 3
done > /dev/null 2>&1

umount -f $mntpoint
mdconfig -d -u $mdstart
rm -f $D
pkill run.sh
wait