1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org> 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# Parallel mount and umount test 31 32# umount(1) stuck in "mount drain" seen: 33# https://people.freebsd.org/~pho/stress/log/log0205.txt 34 35# https://people.freebsd.org/~pho/stress/log/log0226.txt 36# https://people.freebsd.org/~pho/stress/log/log0404.txt 37 38[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 39. ../default.cfg 40 41mounts=3 # Number of parallel scripts 42CONT=/tmp/unionfs9.continue 43 44set -e 45mdconfig -a -t swap -s 256m -u $mdstart 46newfs $newfs_flags -n md$mdstart > /dev/null 47mount /dev/md$mdstart $mntpoint 48 49for i in `jot $mounts $((mdstart + 2))`; do 50 mdconfig -a -t swap -s 512m -u $((mdstart + i)) 51 newfs $newfs_flags -n md$((mdstart + i)) > /dev/null 52 mkdir -p ${mntpoint}$i 53 mount /dev/md$((mdstart + i)) ${mntpoint}$i 54done 55set +e 56echo Pre: 57mount | grep mnt 58 59(cd $mntpoint; jot 500 | xargs touch) 60(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) & 61 62# Start the parallel tests 63touch $CONT 64for i in `jot $mounts $((mdstart + 2))`; do 65 while [ -f $CONT ]; do 66 find ${mntpoint}$i -type f -maxdepth 2 -ls > \ 67 /dev/null 2>&1 68 done & 69 # The test: Parallel mount and unmounts 70 start=`date +%s` 71 ( 72 while [ $((`date +%s` - start)) -lt 300 ]; do 73 mount_unionfs $mntpoint ${mntpoint}$i > \ 74 /dev/null 2>&1 75 opt=$([ `jot -r 1 0 1` -eq 0 ] && echo "-f") 76 while mount | grep -q ${mntpoint}$i; do 77 umount $opt ${mntpoint}$i > \ 78 /dev/null 2>&1 79 done 80 done 81 rm -f $CONT 82 ) & 83done 84while [ -f $CONT ] ; do sleep 1; done 85while pgrep -q swap; do pkill swap; done 86wait 87echo Post: 88mount | grep mnt 89 90for i in `jot $mounts $((mdstart + 2))`; do 91 umount ${mntpoint}$i > /dev/null 2>&1 92 mdconfig -d -u $((mdstart + i)) 93 rmdir ${mntpoint}$i 94done 95while mount | grep $mntpoint | grep -q /dev/md; do 96 umount $mntpoint || sleep 1 97 [ $((n += 1)) -gt 300 ] && { echo FAIL; exit 1; } 98done 99mdconfig -d -u $mdstart 100exit 0 101