xref: /freebsd/tools/test/stress2/misc/nullfs13.sh (revision 8a272653d9fbd9fc37691c9aad6a05089b4ecb4d)
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# kern/178238 "nullfs don't release i-nodes on unlink"
32# See also nullfs16.sh
33# Fixed by: r292961.
34
35. ../default.cfg
36
37nullfsmp=${mntpoint}2
38mount | grep -q "$nullfsmp " && umount $nullfsmp
39
40[ -d $nullfsmp ] || mkdir $nullfsmp
41mount | grep "$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 $nullfsmp
49
50(cd $nullfsmp; jot 20 | xargs touch)
51rm $nullfsmp/*
52
53(cd $nullfsmp; jot 20 | xargs touch)
54rm $mntpoint/*
55
56(cd $mntpoint; jot 20 | xargs touch)
57rm $mntpoint/*
58
59(cd $mntpoint; jot 20 | xargs touch)
60rm $nullfsmp/*
61
62ino=`df -i $nullfsmp | tail -1 | awk '{print $6}'`
63if [ $ino -ne 2 ]; then
64	echo FAIL
65	df -i $mntpoint $nullfsmp
66	echo "ls -la $mntpoint $nullfsmp"
67	ls -la $mntpoint $nullfsmp
68fi
69
70while mount | grep -q "$nullfsmp "; do
71	umount $nullfsmp || sleep 1
72done
73
74while mount | grep -q "$mntpoint "; do
75	umount $mntpoint || sleep 1
76done
77mdconfig -d -u $mdstart
78