xref: /freebsd/tools/test/stress2/misc/vunref2.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
48a272653SPeter Holm# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org>
58a272653SPeter Holm# All rights reserved.
68a272653SPeter Holm#
78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
88a272653SPeter Holm# modification, are permitted provided that the following conditions
98a272653SPeter Holm# are met:
108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
118a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
298a272653SPeter Holm# Vnode reference leak test scenario.
308a272653SPeter Holm# Will fail with  "umount: unmount of /mnt5 failed: Device busy"
318a272653SPeter Holm# vnode leak not seen on HEAD.
328a272653SPeter Holm
338a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
348a272653SPeter Holm
358a272653SPeter Holm. ../default.cfg
368a272653SPeter Holm
37*608c97bfSPeter Holmmount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint
388a272653SPeter Holmmdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
398a272653SPeter Holm
408a272653SPeter Holmmdconfig -a -t swap -s 12m -u $mdstart
41*608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
42*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
438a272653SPeter Holmchmod 777 $mntpoint
448a272653SPeter Holm
458a272653SPeter Holmexport runRUNTIME=5m
468a272653SPeter Holmexport LOAD=100
478a272653SPeter Holmexport swapLOAD=100
488a272653SPeter Holmexport RUNDIR=$mntpoint/stressX
498a272653SPeter Holm
508a272653SPeter Holmfor i in `jot 10`; do
518a272653SPeter Holm	su $testuser -c "\
528a272653SPeter Holm	cd ..; testcases/run/run testcases/mmap/mmap testcases/swap/swap
538a272653SPeter Holm	"
548a272653SPeter Holm
558a272653SPeter Holm	sync;sync;sync
568a272653SPeter Holm	sleep 5
578a272653SPeter Holm	n=0
588a272653SPeter Holm	while mount | grep -qw $mntpoint; do
598a272653SPeter Holm		umount $mntpoint > /dev/null 2>&1 || sleep 0.1
608a272653SPeter Holm		n=$((n + 1))
618a272653SPeter Holm		if [ $n -gt 25 ]; then
628a272653SPeter Holm			echo "*** Leak detected ***"
638a272653SPeter Holm			fstat $mntpoint
648a272653SPeter Holm			exit 1
658a272653SPeter Holm		fi
668a272653SPeter Holm	done
67*608c97bfSPeter Holm	mount /dev/md$mdstart $mntpoint
688a272653SPeter Holmdone
698a272653SPeter Holm
708a272653SPeter Holmumount $mntpoint
718a272653SPeter Holmmdconfig -d -u $mdstart
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