xref: /freebsd/tools/test/stress2/misc/tmpfs21.sh (revision 9768746ba83efa02837c5b9c66348db6e900208f)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2019 Peter Holm
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. ../default.cfg
32
33# umount a tmpfs fs while a rename of a directory is in progress
34# Test scenario suggestion by:	 kib
35
36# umount(8) stuck in suspwt seen.
37# https://people.freebsd.org/~pho/stress/log/tmpfs21.txt
38# Fixed by r355061
39
40(cd ../testcases/swap; ./swap -t 10m -i 20) > /dev/null &
41RUNDIR=$mntpoint/stressX
42start=`date +%s`
43mount | grep -q "on $mntpoint " && umount -f $mntpoint
44while [ $((`date +%s` - start)) -lt 60 ]; do
45	mount -t tmpfs tmpfs $mntpoint || exit 1
46	(cd ../testcases/dirnprename; ./dirnprename -t 2m -i 20 > \
47	    /dev/null 2>&1 ) &
48	pid=$!
49	sleep .`jot -r 1 1 9`
50	for i in `jot 6`; do
51		umount $mntpoint && break
52		sleep .5
53	done 2>&1 | grep -v "Device busy"
54	mount | grep -q "on $mntpoint " && umount -f $mntpoint
55	wait $pid
56done
57while pkill swap; do sleep .2; done
58wait
59exit 0
60