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 $mdstart 39bsdlabel -w md$mdstart auto 40 41newfs $newfs_flags md${mdstart}$part > /dev/null 42mount /dev/md${mdstart}$part $mntpoint 43 44here=`pwd` 45cd /tmp 46sed '1,/^EOF/d' < $here/$0 > truncate5.c 47mycc -o truncate5 -Wall -Wextra -O2 truncate5.c 48rm -f truncate5.c 49 50export RUNDIR=$mntpoint/stressX 51[ -d $RUNDIR ] || mkdir -p $RUNDIR 52cd $RUNDIR 53 54/tmp/truncate5 55 56cd $here 57rm -f /tmp/truncate5 58 59while mount | grep -q md${mdstart}$part; do 60 umount $mntpoint || sleep 1 61done 62 63checkfs /dev/md${mdstart}$part; s=$? 64mdconfig -d -u $mdstart 65exit $s 66EOF 67#include <fcntl.h> 68#include <err.h> 69#include <stdio.h> 70#include <stdlib.h> 71#include <unistd.h> 72#include <sys/wait.h> 73 74#define SIZ 4096 75char buf[SIZ]; 76 77int 78main() 79{ 80 int fd, i, j; 81 char name[128]; 82 off_t len = 21474837416LL; 83 off_t pos; 84 85 srand48(getpid()); 86 sprintf(name, "%05d.%05d", getpid(), 0); 87 fd = open(name, O_WRONLY | O_CREAT, 0666); 88 if (ftruncate(fd, len) == -1) 89 err(1, "ftruncate"); 90 unlink(name); 91 sleep(1); 92 93 for (i = 0; i < 100; i++) { 94 for (j = 0; j < 100; j++) { 95 pos = lrand48() % (len - sizeof(buf)); 96 if (lseek(fd, pos, SEEK_SET) == -1) 97 err(1, "lseek"); 98 if (write(fd, buf, sizeof(buf)) != sizeof(buf)) 99 err(1, "write"); 100 } 101 } 102 close(fd); 103 104 return (0); 105} 106