xref: /freebsd/tools/test/stress2/misc/nullfs7.sh (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1#!/bin/sh
2
3#
4# Copyright (c) 2011 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# "panic: Lock ufs not locked @ ../../../kern/vfs_default.c:508" seen.
30# Based on scenario by Subbsd <subbsd gmail com>
31# Fixed in r226681
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
42mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
43mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
44
45mdconfig -a -t swap -s 1g -u $mdstart || exit 1
46newfs $newfs_flags md$mdstart > /dev/null
47mount /dev/md$mdstart $mntpoint
48
49[ -d $RUNDIR ] || mkdir -p $RUNDIR
50for i in `jot 50`; do
51	DST="$mntpoint/$i"
52	[ -d "$DST" ] || mkdir $DST
53	mount -oro -t nullfs $RUNDIR $DST
54	mount -orw -t nullfs /bin $DST
55done
56mount | grep nullfs | awk '{print $3}' | xargs umount
57
58while mount | grep $mntpoint | grep -q /dev/md; do
59	umount $mntpoint || sleep 1
60	[ $((n += 1)) -gt 100 ] && exit 1
61done
62mdconfig -d -u $mdstart
63