xref: /freebsd/tools/test/stress2/misc/nullfs3.sh (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1#!/bin/sh
2
3#
4# Copyright (c) 2009 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# Test scenario by "Paul B. Mahol" <onemda gmail com>
30
31# Caused: lock violation
32
33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
34
35. ../default.cfg
36
37# NULLFS(5) and SUJ has known issues.
38mount | grep "on `df $RUNDIR | sed  '1d;s/.* //'` " | \
39    grep -q  "journaled soft-updates" &&
40    { echo "Skipping test due to SUJ."; exit 0; }
41
42[ -d $RUNDIR/stressX ] || mkdir -p $RUNDIR/stressX
43
44mp=$mntpoint
45mount | grep -q $mp && umount -f $mp
46
47mount -t nullfs `dirname $RUNDIR` $mp
48
49cd $mp/stressX
50whereis something > /dev/null
51cd /
52
53umount $mp
54
55mount | grep -q $mp && umount -f $mp
56exit 0
57