1#!/bin/sh 2 3# 4# Copyright (c) 2012 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# Based on scenario by rea@, kern/164261. Different panic. 30# insmntque: mp-safe fs and non-locked vp: 0xcb413984 is not exclusive 31# locked but should be 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37nullfs_srcdir=${nullfs_srcdir:-/tmp} 38opt="-o nfsv3,rw,udp,rdirplus,noauto,retrycnt=3" 39grep -q $mntpoint /etc/exports || 40 { echo "$mntpoint missing from /etc/exports"; exit 0; } 41 42mount | grep -wq $mntpoint && umount $mntpoint 43mount -t nullfs $nullfs_srcdir $mntpoint 44 45mntpoint2=${mntpoint}2 46mntpoint3=${mntpoint}3 47for m in $mntpoint2 $mntpoint3; do 48 [ -d $m ] || mkdir $m 49 mount | grep -wq $m && umount $m 50 mount -t nfs $opt 127.0.0.1:$mntpoint $m 51done 52 53for i in `jot 50` ; do 54 su $testuser -c "cp -r /usr/include $mntpoint2/nullfs8-2 2>/dev/null" & 55 su $testuser -c "cp -r /usr/include $mntpoint3/nullfs8-2 2>/dev/null" & 56 wait 57 su $testuser -c "find $mntpoint2 > /dev/null 2>&1" & 58 su $testuser -c "find $mntpoint3 > /dev/null 2>&1" & 59 wait 60 rm -rf $nullfs_srcdir/nullfs8-2 61done 62 63for m in $mntpoint3 $mntpoint2 $mntpoint; do 64 while mount | grep -wq $m; do 65 umount $m || sleep 1 66 done 67done 68