1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5# 6# Copyright (c) 2021 Peter Holm 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# "mkdir: mkdir(d2), level 2. mkdir.c:96: No such file or directory" seen 31# with a non debug kernel. 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34. ../default.cfg 35 36# unionfs usage example from the man page: 37# mount -t cd9660 -o ro /dev/cd0 /usr/src 38# mount -t unionfs -o noatime /var/obj /usr/src 39 40md1=$mdstart 41md2=$((md1 + 1)) 42mp1=/mnt$md1 43mp2=/mnt$md2 44mkdir -p $mp1 $mp2 45set -e 46for i in $mp1 $mp2; do 47 mount | grep -q "on $i " && umount -f $i 48done 49for i in $md1 $md2; do 50 mdconfig -l | grep -q md$i && mdconfig -d -u $i 51done 52 53mdconfig -a -t swap -s 2g -u $md1 54mdconfig -a -t swap -s 2g -u $md2 55newfs $newfs_flags -n md$md1 > /dev/null 56newfs $newfs_flags -n md$md2 > /dev/null 57mount /dev/md$md1 $mp1 58mount /dev/md$md2 $mp2 59 60mount -t unionfs -o noatime $mp1 $mp2 61set +e 62mount | grep -E "$mp1|$mp2" 63 64export RUNDIR=$mp2/stressX 65export runRUNTIME=2m 66 67(cd ..; ./run.sh marcus.cfg) 68 69../tools/killall.sh 70while mount | grep -Eq "on $mp2 .*unionfs"; do 71 umount $mp2 && break 72 sleep 5 73done 74umount $mp2 75n=`find $mp1/stressX | wc -l` 76[ $n -eq 1 ] && s=0 || { find $mp1/stressX -ls | head -12; s=1; } 77umount $mp1 78mdconfig -d -u $md2 79mdconfig -d -u $md1 80exit $s 81