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