xref: /freebsd/tools/test/stress2/misc/nullfs13.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
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
44newfs $newfs_flags md$mdstart > /dev/null
45mount /dev/md$mdstart $mntpoint
46chmod 777 $mntpoint
47mount -t nullfs $mntpoint $nullfsmp
48
49(cd $nullfsmp; jot 20 | xargs touch)
50rm $nullfsmp/*
51
52(cd $nullfsmp; jot 20 | xargs touch)
53rm $mntpoint/*
54
55(cd $mntpoint; jot 20 | xargs touch)
56rm $mntpoint/*
57
58(cd $mntpoint; jot 20 | xargs touch)
59rm $nullfsmp/*
60
61ino=`df -i $nullfsmp | tail -1 | awk '{print $6}'`
62if [ $ino -ne 2 ]; then
63	echo FAIL
64	df -i $mntpoint $nullfsmp
65	echo "ls -la $mntpoint $nullfsmp"
66	ls -la $mntpoint $nullfsmp
67fi
68
69while mount | grep -q "$nullfsmp "; do
70	umount $nullfsmp || sleep 1
71done
72
73while mount | grep -q "$mntpoint "; do
74	umount $mntpoint || sleep 1
75done
76mdconfig -d -u $mdstart
77