1dfc38320SPeter Holm#!/bin/sh 2dfc38320SPeter Holm 3dfc38320SPeter Holm# 4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 5dfc38320SPeter Holm# 6dfc38320SPeter Holm# Copyright (c) 2022 Peter Holm 7dfc38320SPeter Holm# 8dfc38320SPeter Holm# Redistribution and use in source and binary forms, with or without 9dfc38320SPeter Holm# modification, are permitted provided that the following conditions 10dfc38320SPeter Holm# are met: 11dfc38320SPeter Holm# 1. Redistributions of source code must retain the above copyright 12dfc38320SPeter Holm# notice, this list of conditions and the following disclaimer. 13dfc38320SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 14dfc38320SPeter Holm# notice, this list of conditions and the following disclaimer in the 15dfc38320SPeter Holm# documentation and/or other materials provided with the distribution. 16dfc38320SPeter Holm# 17dfc38320SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18dfc38320SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19dfc38320SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20dfc38320SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21dfc38320SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22dfc38320SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23dfc38320SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24dfc38320SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25dfc38320SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26dfc38320SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27dfc38320SPeter Holm# SUCH DAMAGE. 28dfc38320SPeter Holm# 29dfc38320SPeter Holm 30dfc38320SPeter Holm# Simple test to demonstrate EMLINK issue. 31dfc38320SPeter Holm 32dfc38320SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33dfc38320SPeter Holm. ../default.cfg 34dfc38320SPeter Holm 35dfc38320SPeter Holmmd1=$mdstart 36dfc38320SPeter Holmmd2=$((md1 + 1)) 37dfc38320SPeter Holmmp1=/mnt$md1 38dfc38320SPeter Holmmp2=/mnt$md2 39dfc38320SPeter Holmmkdir -p $mp1 $mp2 40dfc38320SPeter Holmset -e 41dfc38320SPeter Holmfor i in $mp1 $mp2; do 42dfc38320SPeter Holm mount | grep -q "on $i " && umount -f $i 43dfc38320SPeter Holmdone 44dfc38320SPeter Holmfor i in $md1 $md2; do 45dfc38320SPeter Holm mdconfig -l | grep -q md$i && mdconfig -d -u $i 46dfc38320SPeter Holmdone 47dfc38320SPeter Holm 48dfc38320SPeter Holmmdconfig -a -t swap -s 2g -u $md1 49dfc38320SPeter Holmmdconfig -a -t swap -s 2g -u $md2 50dfc38320SPeter Holmnewfs $newfs_flags -n md$md1 > /dev/null 51dfc38320SPeter Holmnewfs $newfs_flags -n md$md2 > /dev/null 52dfc38320SPeter Holmmount /dev/md$md1 $mp1 53dfc38320SPeter Holmmount /dev/md$md2 $mp2 54dfc38320SPeter Holmdf -i $mp1 $mp2 55dfc38320SPeter Holmecho 56dfc38320SPeter Holmmount -t unionfs -o noatime $mp1 $mp2 57dfc38320SPeter Holmset +e 58dfc38320SPeter Holm 59dfc38320SPeter Holmdf -i $mp2 60dfc38320SPeter Holmfor i in `jot 100`; do 61dfc38320SPeter Holm jot 1000 | xargs -P0 -I% mkdir $mp2/a% || { s=1; break; } 62dfc38320SPeter Holm jot 1000 | xargs -P0 -I% rmdir $mp2/a% 63dfc38320SPeter Holmdone 64dfc38320SPeter Holm[ $s ] && echo "Failed in loop #$i" 65dfc38320SPeter Holmdf -i $mp2 | tail -1 66dfc38320SPeter Holm 679e8fbb95SPeter Holmwhile mount | grep -Eq "on $mp2 .*unionfs"; do 689e8fbb95SPeter Holm umount $mp2 && break 699e8fbb95SPeter Holm sleep 5 709e8fbb95SPeter Holmdone 71dfc38320SPeter Holmumount $mp2 72dfc38320SPeter Holmumount $mp1 73dfc38320SPeter Holmmdconfig -d -u $md2 74dfc38320SPeter Holmmdconfig -d -u $md1 75dfc38320SPeter Holmexit $s 76