xref: /freebsd/tools/test/stress2/misc/unionfs14.sh (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause
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# Copy of unionfs9.sh, with a subdirectory mount point.
32
33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
34. ../default.cfg
35
36mounts=3	# Number of parallel scripts
37CONT=/tmp/unionfs9.continue
38
39set -e
40mdconfig -a -t swap -s 256m -u $mdstart
41newfs $newfs_flags -n md$mdstart > /dev/null
42mount /dev/md$mdstart $mntpoint
43
44for i in `jot $mounts $((mdstart + 2))`; do
45	mdconfig -a -t swap -s 512m -u $((mdstart + i))
46	newfs $newfs_flags -n md$((mdstart + i)) > /dev/null
47	mkdir -p ${mntpoint}$i
48	mount /dev/md$((mdstart + i)) ${mntpoint}$i
49	mkdir -p ${mntpoint}$i/dir
50done
51set +e
52echo Pre:
53mount | grep mnt
54
55(cd $mntpoint; jot 500 | xargs touch)
56(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) &
57
58# Start the parallel tests
59touch $CONT
60for i in `jot $mounts $((mdstart + 2))`; do
61	while [ -f $CONT ]; do
62		find ${mntpoint}$i -type f -maxdepth 2 -ls > \
63		    /dev/null 2>&1
64	done &
65	# The test: Parallel mount and unmounts
66	start=`date +%s`
67	(
68		while [ $((`date +%s` - start))  -lt 300 ]; do
69			mount_unionfs $mntpoint ${mntpoint}$i/dir
70			opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f")
71			while mount | grep -q ${mntpoint}$i/dir; do
72				umount $opt ${mntpoint}$i/dir
73			done
74		done > /dev/null 2>&1
75		rm -f $CONT
76	) &
77done
78while [ -f $CONT ] ; do sleep 1; done
79while pgrep -q swap; do pkill swap; done
80wait
81echo Post:
82mount | grep mnt
83
84for i in `jot $mounts $((mdstart + 2))`; do
85	umount ${mntpoint}$i > /dev/null 2>&1
86	mdconfig -d -u $((mdstart + i))
87	rmdir ${mntpoint}$i
88done
89while mount | grep $mntpoint | grep -q /dev/md; do
90	umount $mntpoint || sleep 1
91	[ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; }
92done
93mdconfig -d -u $mdstart
94exit 0
95