xref: /freebsd/tools/test/stress2/misc/unionfs5.sh (revision 3332f1b444d4a73238e9f59cca27bfc95fe936bd)
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
64if [ $# -eq 0 ]; then
65	echo "Using unionfs"
66	export RUNDIR=$mp2/stressX
67else
68	echo "Using FFS"
69	export RUNDIR=$mp1/stressX
70fi
71export runRUNTIME=2m
72
73(cd ../testcases/mkdir; ./mkdir -t 2m -i 20)
74
75find $RUNDIR -ls
76umount $mp2	# The unionfs mount
77umount $mp2
78n=`find $mp1/stressX | wc -l`
79[ $n -eq 1 ] && s=0 || s=1
80umount $mp1
81mdconfig -d -u $md2
82mdconfig -d -u $md1
83exit $s
84