1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2019 Peter Holm 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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 31. ../default.cfg 32 33# umount a tmpfs fs while a rename of a directory is in progress 34# Test scenario suggestion by: kib 35 36# umount(8) stuck in suspwt seen. 37# https://people.freebsd.org/~pho/stress/log/tmpfs21.txt 38# Fixed by r355061 39 40(cd ../testcases/swap; ./swap -t 10m -i 20) > /dev/null & 41RUNDIR=$mntpoint/stressX 42start=`date +%s` 43mount | grep -q "on $mntpoint " && umount -f $mntpoint 44while [ $((`date +%s` - start)) -lt 60 ]; do 45 mount -t tmpfs tmpfs $mntpoint || exit 1 46 (cd ../testcases/dirnprename; ./dirnprename -t 2m -i 20 > \ 47 /dev/null 2>&1 ) & 48 pid=$! 49 sleep .`jot -r 1 1 9` 50 for i in `jot 6`; do 51 umount $mntpoint && break 52 sleep .5 53 done 2>&1 | grep -v "Device busy" 54 mount | grep -q "on $mntpoint " && umount -f $mntpoint 55 wait $pid 56done 57while pkill swap; do sleep .2; done 58wait 59exit 0 60