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# "panic: handle_workitem_freeblocks: inode 447489 block count 336" seen. 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 1g -u $mdstart 39 40newfs $newfs_flags md$mdstart > /dev/null 41mount /dev/md$mdstart $mntpoint 42 43here=`pwd` 44cd /tmp 45sed '1,/^EOF/d' < $here/$0 > truncate5.c 46mycc -o truncate5 -Wall -Wextra -O2 truncate5.c 47rm -f truncate5.c 48 49export RUNDIR=$mntpoint/stressX 50[ -d $RUNDIR ] || mkdir -p $RUNDIR 51cd $RUNDIR 52 53/tmp/truncate5 54 55cd $here 56rm -f /tmp/truncate5 57 58while mount | grep -q md$mdstart; do 59 umount $mntpoint || sleep 1 60done 61 62checkfs /dev/md$mdstart; s=$? 63mdconfig -d -u $mdstart 64exit $s 65EOF 66#include <fcntl.h> 67#include <err.h> 68#include <stdio.h> 69#include <stdlib.h> 70#include <unistd.h> 71#include <sys/wait.h> 72 73#define SIZ 4096 74char buf[SIZ]; 75 76int 77main() 78{ 79 int fd, i, j; 80 char name[128]; 81 off_t len = 21474837416LL; 82 off_t pos; 83 84 srand48(getpid()); 85 sprintf(name, "%05d.%05d", getpid(), 0); 86 fd = open(name, O_WRONLY | O_CREAT, 0666); 87 if (ftruncate(fd, len) == -1) 88 err(1, "ftruncate"); 89 unlink(name); 90 sleep(1); 91 92 for (i = 0; i < 100; i++) { 93 for (j = 0; j < 100; j++) { 94 pos = lrand48() % (len - sizeof(buf)); 95 if (lseek(fd, pos, SEEK_SET) == -1) 96 err(1, "lseek"); 97 if (write(fd, buf, sizeof(buf)) != sizeof(buf)) 98 err(1, "write"); 99 } 100 } 101 close(fd); 102 103 return (0); 104} 105