xref: /freebsd/tools/test/stress2/misc/nullfs25.sh (revision 18f21f0355481283ceef0ec10e99554f44c205c2)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2018 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# Variation of nullfs17.sh WiP
31
32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
33. ../default.cfg
34
35mounts=4	# Number of parallel scripts
36: ${nullfs_srcdir:=$mntpoint}
37: ${nullfs_dstdir:=$mntpoint}
38CONT=/tmp/nullfs25.continue
39
40mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
41mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
42mdconfig -a -t swap -s 1g -u $mdstart
43bsdlabel -w md$mdstart auto
44newfs $newfs_flags md${mdstart}$part > /dev/null
45mount /dev/md${mdstart}$part $mntpoint
46chmod 777 $mntpoint
47(cd $mntpoint; jot 500 | xargs touch)
48(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) &
49
50for i in `jot $mounts $mdstart`; do
51	[ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i
52	mount | grep -q " ${nullfs_dstdir}$i " &&
53	    umount ${nullfs_dstdir}$i
54done
55
56# Start the parallel tests
57touch $CONT
58for i in `jot $mounts $mdstart`; do
59	while [ -f $CONT ]; do
60		find ${nullfs_dstdir}$i -type f -maxdepth 2 -ls > \
61		    /dev/null 2>&1
62	done &
63	# The test: Parallel mount and unmounts
64	start=`date +%s`
65	(
66		while [ $((`date +%s` - start))  -lt 300 ]; do
67			mount_nullfs $nullfs_srcdir ${nullfs_dstdir}$i > \
68			    /dev/null 2>&1
69			opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f")
70			while mount | grep -q ${nullfs_dstdir}$i; do
71				umount $opt ${nullfs_dstdir}$i > \
72				    /dev/null 2>&1
73			done
74		done
75		rm -f $CONT
76	) &
77done
78while [ -f $CONT ] ; do sleep 1; done
79while pgrep -q swap; do pkill swap; done
80wait
81
82for i in `jot $mounts`; do
83	umount ${nullfs_dstdir}$i > /dev/null 2>&1
84done
85while mount | grep $mntpoint | grep -q /dev/md; do
86	umount $mntpoint || sleep 1
87	[ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; }
88done
89mdconfig -d -u $mdstart
90exit 0
91