#!/bin/sh
#
# Copyright (c) 2010 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.
#
# Variation of truncate2.sh with FS check added.
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
mount | grep -q "$mntpoint" && umount $mntpoint
mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart
mdconfig -a -t swap -s 400m -u $mdstart
bsdlabel -w md$mdstart auto
newfs $newfs_flags md${mdstart}$part > /dev/null
mount /dev/md${mdstart}$part $mntpoint
export RUNDIR=$mntpoint/stressX
here=`pwd`
cd /tmp
sed '1,/^EOF/d' < $here/$0 > truncate3.c
mycc -o truncate3 -Wall -O2 truncate3.c
rm -f truncate3.c
[ -d $RUNDIR ] || mkdir -p $RUNDIR
cd $RUNDIR
/tmp/truncate3
cd $here
rm -f /tmp/truncate3
sync;sync;sync
while mount | grep -q $mntpoint; do
sync;sync;sync
sleep 1
umount $mntpoint
done
checkfs /dev/md${mdstart}$part; s=$?
mdconfig -d -u $mdstart
exit $s
EOF
#include <fcntl.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#define SIZ 512
char buf[SIZ];
void
test(void)
{
int fd[10], i, j;
char name[128];
off_t len;
for (j = 0; j < 10; j++) {
sprintf(name, "%05d.%05d", getpid(), j);
fd[j] = open(name, O_WRONLY | O_CREAT | O_APPEND, 0666);
if (fd[j] == -1)
err(1, "open(%s)", name);
unlink(name);
}
for (i = 0; i < 100; i++) {
for (j = 0; j < 10; j++) {
if (write(fd[j], buf, 2) != 2)
err(1, "write");
len = arc4random() % 1024 * 1024;
if (ftruncate(fd[j], len) == -1)
err(1, "ftruncate");
}
}
exit(0);
}
int
main(int argc, char **argv)
{
int i, status;
for (i = 0; i < 20; i++) {
if (fork() == 0)
test();
}
for (i = 0; i < 20; i++)
wait(&status);
return (0);
}
