xref: /freebsd/tools/test/stress2/misc/nullfs12.sh (revision 0a36787e4c1fa0cf77dcf83be0867178476e372b)
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# "umount -f" test with files open for writing
32# "panic: vputx: missed vn_close" seen.
33# Scenario by kib@. Fixed in r245262.
34
35. ../default.cfg
36
37mnt2=${mntpoint}2
38mount | grep -q $mnt2 && umount $mnt2
39
40[ -d $mnt2 ] || mkdir $mnt2
41mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
42mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
43mdconfig -a -t swap -s 1g -u $mdstart
44bsdlabel -w md$mdstart auto
45newfs $newfs_flags md${mdstart}$part > /dev/null
46mount /dev/md${mdstart}$part $mntpoint
47chmod 777 $mntpoint
48mount -t nullfs $mntpoint $mnt2
49
50(sleep 5 > $mnt2/log) &
51sleep 1
52umount -f $mnt2
53
54kill $!
55wait
56
57while mount | grep -q "$mnt2 "; do
58	umount $mnt2 || sleep 1
59done
60
61while mount | grep -q "$mntpoint "; do
62	umount $mntpoint || sleep 1
63done
64mdconfig -d -u $mdstart
65