xref: /freebsd/tools/test/stress2/misc/unionfs.sh (revision fc22fe5c74055802ac41090f345c8a45eab396b6)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2008-2011 Peter Holm <pho@FreeBSD.org>
58a272653SPeter Holm# All rights reserved.
68a272653SPeter Holm#
78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
88a272653SPeter Holm# modification, are permitted provided that the following conditions
98a272653SPeter Holm# are met:
108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
118a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
29*fc22fe5cSPeter Holm# unionfs test using two memory disks
30*fc22fe5cSPeter Holm
318a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
328a272653SPeter Holm. ../default.cfg
338a272653SPeter Holm
34*fc22fe5cSPeter Holm# unionfs usage example from the man page:
35*fc22fe5cSPeter Holm#	   mount -t cd9660 -o ro /dev/cd0 /usr/src
36*fc22fe5cSPeter Holm#	   mount -t unionfs -o noatime /var/obj	/usr/src
378a272653SPeter Holm
38*fc22fe5cSPeter Holmmd1=$mdstart
39*fc22fe5cSPeter Holmmd2=$((md1 + 1))
40*fc22fe5cSPeter Holmmp1=/mnt$md1
41*fc22fe5cSPeter Holmmp2=/mnt$md2
42*fc22fe5cSPeter Holmmkdir -p $mp1 $mp2
43*fc22fe5cSPeter Holmset -e
44*fc22fe5cSPeter Holmfor i in $mp1 $mp2; do
45*fc22fe5cSPeter Holm	mount | grep -q "on $i " && umount -f $i
468a272653SPeter Holmdone
47*fc22fe5cSPeter Holmfor i in $md1 $md2; do
48*fc22fe5cSPeter Holm	mdconfig -l | grep -q md$i && mdconfig -d -u $i
49*fc22fe5cSPeter Holmdone
50*fc22fe5cSPeter Holm
51*fc22fe5cSPeter Holmmdconfig -a -t swap -s 2g -u $md1
52*fc22fe5cSPeter Holmmdconfig -a -t swap -s 2g -u $md2
53*fc22fe5cSPeter Holmnewfs $newfs_flags -n md$md1 > /dev/null
54*fc22fe5cSPeter Holmnewfs $newfs_flags -n md$md2 > /dev/null
55*fc22fe5cSPeter Holmmount /dev/md$md1 $mp1
56*fc22fe5cSPeter Holmmount /dev/md$md2 $mp2
57*fc22fe5cSPeter Holm
58*fc22fe5cSPeter Holmmount -t unionfs -o noatime $mp1 $mp2
59*fc22fe5cSPeter Holmmount | grep -E "$mp1|$mp2"
60*fc22fe5cSPeter Holmset +e
61*fc22fe5cSPeter Holm
62*fc22fe5cSPeter Holmexport RUNDIR=$mp2/stressX
63*fc22fe5cSPeter Holmexport CTRLDIR=$mp2/stressX.control
64*fc22fe5cSPeter Holmexport runRUNTIME=2m
65*fc22fe5cSPeter Holm
66*fc22fe5cSPeter Holm# SU work around for "disk full"
67*fc22fe5cSPeter Holmset `df -ik $mp2 | tail -1 | awk '{print $4,$7}'`
68*fc22fe5cSPeter Holmexport KBLOCKS=$(($1 / 2))
69*fc22fe5cSPeter Holmexport INODES=$(($2 / 2))
70*fc22fe5cSPeter Holm
71*fc22fe5cSPeter Holm(cd ..; ./run.sh disk.cfg)
72*fc22fe5cSPeter Holm
73*fc22fe5cSPeter Holmfind $RUNDIR -ls
74*fc22fe5cSPeter Holmfor i in `jot 5`; do
75*fc22fe5cSPeter Holm	mount |  grep -q unionfs || break
76*fc22fe5cSPeter Holm	umount $mp2 || sleep 2	# The unionfs mount
77*fc22fe5cSPeter Holmdone
78*fc22fe5cSPeter Holmmount | grep unionfs && exit 1
79*fc22fe5cSPeter Holm
80*fc22fe5cSPeter Holmfor i in `jot 5`; do
81*fc22fe5cSPeter Holm	umount $mp2 && break
82*fc22fe5cSPeter Holm	sleep 2
83*fc22fe5cSPeter Holmdone
84*fc22fe5cSPeter Holmmount | grep -q "on $mp2 " && exit 1
85*fc22fe5cSPeter Holmn=`find $mp1/stressX | wc -l`
86*fc22fe5cSPeter Holm[ $n -eq 1 ] && s=0 || s=1
87*fc22fe5cSPeter Holmumount $mp1
88*fc22fe5cSPeter Holmmdconfig -d -u $md2
89*fc22fe5cSPeter Holmmdconfig -d -u $md1
90*fc22fe5cSPeter Holmexit $s
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