1#!/bin/sh 2 3# 4# Copyright (c) 2013 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31# Page fault seen in fifo_close() 32 33. ../default.cfg 34 35nullfsmp=${mntpoint}2 36mount | grep -q "$nullfsmp " && umount $nullfsmp 37 38[ -d $nullfsmp ] || mkdir $nullfsmp 39mount | grep "$mntpoint " | grep -q /dev/md && umount -f $mntpoint 40mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 41mdconfig -a -t swap -s 1g -u $mdstart 42bsdlabel -w md$mdstart auto 43newfs $newfs_flags md${mdstart}$part > /dev/null 44mount /dev/md${mdstart}$part $mntpoint 45#chmod 777 $mntpoint 46mount -t nullfs $mntpoint $nullfsmp 47 48mkfifo $nullfsmp/fifo 49rm $mntpoint/fifo # Triggers page fault 50 51while mount | grep -q "$nullfsmp "; do 52 umount $nullfsmp || sleep 1 53done 54 55while mount | grep -q "$mntpoint "; do 56 umount $mntpoint || sleep 1 57done 58mdconfig -d -u $mdstart 59