4 # Copyright (c) 2008 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
31 # Testing problem with buffer cache inconsistancy
33 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
38 dede $D 1m 10 || exit 1
44 sed '1,/^EOF/d' < $odir/$0 > symlink2.c
45 cc -o symlink2 -Wall symlink2.c
49 mount | grep "$mntpoint" | grep md${mdstart} > /dev/null && umount $mntpoint
50 mdconfig -l | grep md${mdstart} > /dev/null && mdconfig -d -u ${mdstart}
52 mdconfig -a -t vnode -f $D -u ${mdstart}
55 echo "newfs $i /dev/md${mdstart}"
56 newfs $i /dev/md${mdstart} > /dev/null 2>&1
57 mount /dev/md${mdstart} $mntpoint
60 /tmp/symlink2 ${mntpoint}/dir/link
62 ls -l ${mntpoint}/dir > /dev/null 2>&1
67 mount /dev/md${mdstart} $mntpoint
74 mdconfig -d -u $mdstart
88 main(int argc, char **argv)
95 for (i = 0; i < 100; i++) {
96 if ((p = fork()) == 0) {
97 if ((n = readlink(path, buf, sizeof(buf) -1)) < 0) {
98 for (i = 0; i < 60; i++) {
100 if ((n = readlink(path, buf, sizeof(buf) -1)) > 0) {
106 err(1, "readlink(%s). %s:%d", path, __FILE__, __LINE__);
112 if (symlink("1234", path) < 0)
113 err(1, "symlink(%s, %s)", path, "1234");
115 for (i = 0; i < 100; i++) {
117 err(1, "wait(), %s:%d", __FILE__, __LINE__);