xref: /freebsd/tools/test/stress2/misc/devfs5.sh (revision 18054d0220cfc8df9c9568c437bd6fbb59d53c3c)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2019 Dell EMC Isilon
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29
30[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
31
32# Test scenario for https://reviews.freebsd.org/D20411
33# Add devfs(5) support for VOP_MKDIR(9) and VOP_RMDIR(9)
34
35. ../default.cfg
36
37mkdir /dev/devfs5 2>/dev/null || exit 0
38rmdir /dev/devfs5
39mount | grep -q "on $mntpoint " && umount -f $mntpoint
40mount  -t devfs null $mntpoint || exit 1
41
42(cd ../testcases/swap; ./swap -t 30m -i 20 -h -l 100) &
43spid=$!
44cd $mntpoint
45N=3000
46for i in `jot 25`; do
47	(
48		mkdir s$i; cd s$i
49		for k in `jot 5`; do
50			for j in `jot $N`; do mkdir d$i.$j; done
51			for j in `jot $N`; do rmdir d$i.$j; done
52		done
53		cd ..; rmdir s$i
54	) &
55	pids="$pids $!"
56done
57for i in $pids; do
58	wait $i
59done
60while pkill swap; do :; done
61wait spid
62
63cd /
64while mount | grep -q "on $mntpoint "; do
65	umount $mntpoint && break
66	sleep 1
67done
68exit 0
69