1#!/bin/sh 2 3# 4# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Variation of truncate2.sh with FS check added. 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35mount | grep -q "$mntpoint" && umount $mntpoint 36mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart 37 38mdconfig -a -t swap -s 400m -u $mdstart 39 40newfs $newfs_flags md$mdstart > /dev/null 41mount /dev/md$mdstart $mntpoint 42export RUNDIR=$mntpoint/stressX 43 44here=`pwd` 45cd /tmp 46sed '1,/^EOF/d' < $here/$0 > truncate3.c 47mycc -o truncate3 -Wall -O2 truncate3.c 48rm -f truncate3.c 49[ -d $RUNDIR ] || mkdir -p $RUNDIR 50cd $RUNDIR 51 52/tmp/truncate3 53 54cd $here 55rm -f /tmp/truncate3 56 57sync;sync;sync 58while mount | grep -q $mntpoint; do 59 sync;sync;sync 60 sleep 1 61 umount $mntpoint 62done 63 64checkfs /dev/md$mdstart; s=$? 65mdconfig -d -u $mdstart 66exit $s 67EOF 68#include <fcntl.h> 69#include <err.h> 70#include <stdio.h> 71#include <stdlib.h> 72#include <unistd.h> 73#include <sys/wait.h> 74 75#define SIZ 512 76char buf[SIZ]; 77 78void 79test(void) 80{ 81 int fd[10], i, j; 82 char name[128]; 83 off_t len; 84 85 for (j = 0; j < 10; j++) { 86 sprintf(name, "%05d.%05d", getpid(), j); 87 fd[j] = open(name, O_WRONLY | O_CREAT | O_APPEND, 0666); 88 if (fd[j] == -1) 89 err(1, "open(%s)", name); 90 unlink(name); 91 } 92 93 for (i = 0; i < 100; i++) { 94 for (j = 0; j < 10; j++) { 95 if (write(fd[j], buf, 2) != 2) 96 err(1, "write"); 97 len = arc4random() % 1024 * 1024; 98 if (ftruncate(fd[j], len) == -1) 99 err(1, "ftruncate"); 100 } 101 } 102 103 exit(0); 104} 105int 106main(int argc, char **argv) 107{ 108 int i, status; 109 110 for (i = 0; i < 20; i++) { 111 if (fork() == 0) 112 test(); 113 } 114 for (i = 0; i < 20; i++) 115 wait(&status); 116 117 return (0); 118} 119