106 lines
3.2 KiB
Bash
Executable File
106 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
#
|
|
# Copyright (c) 2008, 2011 Peter Holm <pho@FreeBSD.org>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
|
|
# Hunt for deadlock that could occur running umount and quota at the same time
|
|
# "panic: dqsync: file" seen:
|
|
# https://people.freebsd.org/~pho/stress/log/quota10.txt
|
|
|
|
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
|
|
[ "`sysctl -in kern.features.ufs_quota`" != "1" ] && exit 0
|
|
|
|
. ../default.cfg
|
|
|
|
mounts=15 # Number of parallel scripts
|
|
mdstart=$mdstart # Use md unit numbers from this point
|
|
D=$diskimage
|
|
export PATH_FSTAB=/tmp/fstab
|
|
|
|
if [ $# -eq 0 ]; then
|
|
rm -f $PATH_FSTAB
|
|
for i in `jot $mounts`; do
|
|
m=$((i + mdstart - 1))
|
|
[ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m
|
|
mount | grep "$mntpoint" | grep -q md$m &&
|
|
umount ${mntpoint}$m
|
|
[ -c /dev/md$m ] && mdconfig -d -u $m
|
|
|
|
dd if=/dev/zero of=$D$m bs=1m count=1 status=none
|
|
mdconfig -a -t vnode -f $D$m -u $m
|
|
bsdlabel -w md$m auto
|
|
newfs md${m}$part > /dev/null 2>&1
|
|
echo "/dev/md${m}$part ${mntpoint}$m ufs rw,userquota 2 2" \
|
|
>> $PATH_FSTAB
|
|
mount ${mntpoint}$m
|
|
edquota -u -f ${mntpoint}$m -e \
|
|
${mntpoint}$m:100000:110000:15000:16000 root
|
|
umount ${mntpoint}$m
|
|
done
|
|
sync;sync;sync
|
|
|
|
# start the parallel tests
|
|
touch /tmp/$0
|
|
for i in `jot $mounts`; do
|
|
m=$((i + mdstart - 1))
|
|
./$0 $m &
|
|
./$0 find $m &
|
|
done
|
|
wait
|
|
|
|
for i in `jot $mounts`; do
|
|
m=$((i + mdstart - 1))
|
|
mdconfig -d -u $m
|
|
rm -f $D$m
|
|
done
|
|
rm -f $PATH_FSTAB
|
|
else
|
|
if [ $1 = find ]; then
|
|
while [ -r /tmp/$0 ]; do
|
|
(
|
|
quotaon ${mntpoint}$2
|
|
quotaoff ${mntpoint}$2
|
|
) 2>&1 | egrep -v "No such file or directory"
|
|
done
|
|
else
|
|
|
|
# The test: Parallel mount and unmounts
|
|
start=`date '+%s'`
|
|
while [ $((`date '+%s'` - start)) -lt 1200 ]; do
|
|
m=$1
|
|
opt=`[ $(( m % 2 )) -eq 0 ] && echo -f`
|
|
mount $opt /dev/md${m}$part ${mntpoint}$m
|
|
while mount | grep -qw $mntpoint$m; do
|
|
opt=$([ $((`date '+%s'` % 2)) -eq 0 ] &&
|
|
echo "-f")
|
|
umount $opt ${mntpoint}$m > /dev/null 2>&1
|
|
done
|
|
done
|
|
rm -f /tmp/$0
|
|
fi
|
|
fi
|
|
exit 0
|