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a565cc81c0
Add some test cases, based on the existing nullfs10 scenario, to ensure that unionfs write references are propagated between the unionfs and underlying vnodes, including unionfs copy-on-write operations Reviewed by: kib (prior version), markj, pho Differential Revision: https://reviews.freebsd.org/D33729
88 lines
2.5 KiB
Bash
Executable File
88 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2022 Jason Harmening <jah@FreeBSD.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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# Regression test:
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# There is an issue, namely, when the lower file is already
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# opened r/w, but its nullfs alias is executed. This situation obviously
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# shall result in ETXTBUSY, but it currently does not.
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# Based on nullfs10.sh by pho@, original test scenario by kib@
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. ../default.cfg
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md1=$mdstart
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md2=$((md1 + 1))
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mp1=/mnt$md1
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mp2=/mnt$md2
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mkdir -p $mp1 $mp2
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set -e
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for i in $mp1 $mp2; do
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mount | grep -q "on $i " && umount -f $i
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done
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for i in $md1 $md2; do
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mdconfig -l | grep -q md$i && mdconfig -d -u $i
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done
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mdconfig -a -t swap -s 4g -u $md1
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mdconfig -a -t swap -s 4g -u $md2
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newfs $newfs_flags -n md$md1 > /dev/null
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newfs $newfs_flags -n md$md2 > /dev/null
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mount /dev/md$md1 $mp1
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mount /dev/md$md2 $mp2
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mount -t unionfs -o noatime $mp1 $mp2
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set +e
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mount | grep -E "$mp1|$mp2"
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chmod 777 $mp1
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chmod 777 $mp2
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cp /bin/ls $mp2
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chmod +w $mp2/ls
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sleep 2 >> $mp2/ls &
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sleep .5
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# This line should cause a "$mp1/ls: Text file busy" error
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$mp1/ls -l /bin/ls $mp1 $mp2 && echo FAIL || echo OK
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kill $!
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wait
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while mount | grep -q "$mp2 "; do
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umount $mp2 || sleep 1
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done
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while mount | grep -q "$mp1 "; do
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umount $mp1 || sleep 1
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done
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mdconfig -d -u $md2
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mdconfig -d -u $md1
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