xref: /freebsd/tools/test/stress2/misc/vunref2.sh (revision 81ad626541db97eb356e2c1d4a20eb2a26a766ab)
1#!/bin/sh
2
3#
4# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29# Vnode reference leak test scenario.
30# Will fail with  "umount: unmount of /mnt5 failed: Device busy"
31# vnode leak not seen on HEAD.
32
33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
34
35. ../default.cfg
36
37mount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint
38mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
39
40mdconfig -a -t swap -s 12m -u $mdstart
41newfs $newfs_flags md$mdstart > /dev/null
42mount /dev/md$mdstart $mntpoint
43chmod 777 $mntpoint
44
45export runRUNTIME=5m
46export LOAD=100
47export swapLOAD=100
48export RUNDIR=$mntpoint/stressX
49
50for i in `jot 10`; do
51	su $testuser -c "\
52	cd ..; testcases/run/run testcases/mmap/mmap testcases/swap/swap
53	"
54
55	sync;sync;sync
56	sleep 5
57	n=0
58	while mount | grep -qw $mntpoint; do
59		umount $mntpoint > /dev/null 2>&1 || sleep 0.1
60		n=$((n + 1))
61		if [ $n -gt 25 ]; then
62			echo "*** Leak detected ***"
63			fstat $mntpoint
64			exit 1
65		fi
66	done
67	mount /dev/md$mdstart $mntpoint
68done
69
70umount $mntpoint
71mdconfig -d -u $mdstart
72