4 # Copyright (c) 2010 Peter Holm <pho@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
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.
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
29 # "panic: handle_workitem_freeblocks: inode 447489 block count 336" seen.
31 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
35 mount | grep -q "$mntpoint" && umount $mntpoint
36 mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart
38 mdconfig -a -t swap -s 1g -u $mdstart
39 bsdlabel -w md$mdstart auto
41 newfs $newfs_flags md${mdstart}$part > /dev/null
42 mount /dev/md${mdstart}$part $mntpoint
46 sed '1,/^EOF/d' < $here/$0 > truncate5.c
47 mycc -o truncate5 -Wall -Wextra -O2 truncate5.c
50 export RUNDIR=$mntpoint/stressX
51 [ -d $RUNDIR ] || mkdir -p $RUNDIR
59 while mount | grep -q md${mdstart}$part; do
60 umount $mntpoint || sleep 1
63 checkfs /dev/md${mdstart}$part; s=$?
64 mdconfig -d -u $mdstart
82 off_t len = 21474837416LL;
86 sprintf(name, "%05d.%05d", getpid(), 0);
87 fd = open(name, O_WRONLY | O_CREAT, 0666);
88 if (ftruncate(fd, len) == -1)
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)
98 if (write(fd, buf, sizeof(buf)) != sizeof(buf))