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93 lines
2.9 KiB
Bash
Executable file
93 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2016 Dell EMC Isilon
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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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# Parallel mount and umount of file systems
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# "panic: userret: Returning with 1 locks held" seen:
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# https://people.freebsd.org/~pho/stress/log/mark165.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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mounts=15 # Number of parallel scripts
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cont=/tmp/msdos6.continue
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mdstart=$mdstart # Use md unit numbers from this point
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if [ $# -eq 0 ]; then
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touch $cont
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mycc -o /tmp/fstool -Wall -Wextra -O2 ../tools/fstool.c || exit 1
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for i in `jot $mounts`; do
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m=$(( i + mdstart - 1 ))
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[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
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mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m
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mdconfig -l | grep -q md$m && mdconfig -d -u $m
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mdconfig -a -t swap -s 1g -u $m
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bsdlabel -w md$m auto
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newfs_msdos -F 32 -b 8192 /dev/md${m}$part > /dev/null 2>&1
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mount -t msdosfs /dev/md${m}$part ${mntpoint}$m
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(mkdir ${mntpoint}$m/test$i; cd ${mntpoint}$m/test$i; /tmp/fstool -l -f 100 -n 100 -s ${i}k)
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umount ${mntpoint}$m > /dev/null 2>&1
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done
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# start the parallel tests
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for i in `jot $mounts`; do
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m=$(( i + mdstart - 1 ))
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./$0 $m &
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./$0 find &
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done
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wait
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for i in `jot $mounts`; do
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m=$(( i + mdstart - 1 ))
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mdconfig -d -u $m
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done
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rm -f /tmp/fstool
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else
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if [ $1 = find ]; then
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while [ -r $cont ]; do
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find ${mntpoint}* -type f > /dev/null 2>&1
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done
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else
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# The test: Parallel mount and unmounts
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start=`date '+%s'`
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while [ $((`date '+%s'` - start)) -lt 300 ]; do
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m=$1
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mount -t msdosfs /dev/md${m}$part ${mntpoint}$m
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while mount | grep -qw $mntpoint$m; do
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opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f")
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umount $opt ${mntpoint}$m > /dev/null 2>&1
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done
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done
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rm -f $cont
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fi
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fi
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