xref: /freebsd/tools/test/stress2/misc/unionfs9.sh (revision e92ffd9b626833ebdbf2742c8ffddc6cd94b963e)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org>
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# Parallel mount and umount test
31
32# umount(1) stuck in "mount drain" seen:
33# https://people.freebsd.org/~pho/stress/log/log0205.txt
34
35# https://people.freebsd.org/~pho/stress/log/log0226.txt
36
37[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
38. ../default.cfg
39
40mounts=3	# Number of parallel scripts
41CONT=/tmp/unionfs9.continue
42
43set -e
44mdconfig -a -t swap -s 256m -u $mdstart
45newfs $newfs_flags -n md$mdstart > /dev/null
46mount /dev/md$mdstart $mntpoint
47
48for i in `jot $mounts $((mdstart + 2))`; do
49	mdconfig -a -t swap -s 512m -u $((mdstart + i))
50	newfs $newfs_flags -n md$((mdstart + i)) > /dev/null
51	mkdir -p ${mntpoint}$i
52	mount /dev/md$((mdstart + i)) ${mntpoint}$i
53done
54set +e
55echo Pre:
56mount | grep mnt
57
58(cd $mntpoint; jot 500 | xargs touch)
59(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) &
60
61# Start the parallel tests
62touch $CONT
63for i in `jot $mounts $((mdstart + 2))`; do
64	while [ -f $CONT ]; do
65		find ${mntpoint}$i -type f -maxdepth 2 -ls > \
66		    /dev/null 2>&1
67	done &
68	# The test: Parallel mount and unmounts
69	start=`date +%s`
70	(
71		while [ $((`date +%s` - start))  -lt 300 ]; do
72			mount_unionfs $mntpoint ${mntpoint}$i > \
73			    /dev/null 2>&1
74			opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f")
75			while mount | grep -q ${mntpoint}$i; do
76				umount $opt ${mntpoint}$i > \
77				    /dev/null 2>&1
78			done
79		done
80		rm -f $CONT
81	) &
82done
83while [ -f $CONT ] ; do sleep 1; done
84while pgrep -q swap; do pkill swap; done
85wait
86echo Post:
87mount | grep mnt
88
89for i in `jot $mounts $((mdstart + 2))`; do
90	umount ${mntpoint}$i > /dev/null 2>&1
91	mdconfig -d -u $((mdstart + i))
92	rmdir ${mntpoint}$i
93done
94while mount | grep $mntpoint | grep -q /dev/md; do
95	umount $mntpoint || sleep 1
96	[ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; }
97done
98mdconfig -d -u $mdstart
99exit 0
100