Date: Sat, 8 Oct 2011 12:27:13 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r226152 - projects/stress2/misc Message-ID: <201110081227.p98CRDGL062481@svn.freebsd.org>
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Author: pho Date: Sat Oct 8 12:27:12 2011 New Revision: 226152 URL: http://svn.freebsd.org/changeset/base/226152 Log: Added regression test for kern/156545. Added: projects/stress2/misc/rename5.sh (contents, props changed) Added: projects/stress2/misc/rename5.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/rename5.sh Sat Oct 8 12:27:12 2011 (r226152) @@ -0,0 +1,135 @@ +#!/bin/sh + +# +# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org> +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Rename scenario from kern/156545 by Konstantin, +# konstantin malov kaspersky com + +# On 8.2-STABLE fsck reports +# "xxx IS AN EXTRANEOUS HARD LINK TO DIRECTORY yyy" +# Fixed by r220986 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +mount | grep -q "$mntpoint" && umount $mntpoint +mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart + +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md${mdstart} auto + +newfs -U md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > rename5.c +cc -o rename5 -Wall -Wextra -O2 rename5.c +rm -f rename5.c + +cd $mntpoint + +/tmp/rename5 + +cd $here +rm -f /tmp/rename5 + +while mount | grep -q md${mdstart}$part; do + umount $mntpoint || sleep 1 +done + +checkfs /dev/md${mdstart}$part + +mdconfig -d -u $mdstart +exit 0 +EOF +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <unistd.h> + +#define N 1000 + + +void +test(void) +{ + pid_t pid; + int i; + char from[128], to[128]; + + pid = getpid(); + for (i = 0; i < N; i++) { + snprintf(from, sizeof(from), "src/dir.%06d", i); + snprintf(to , sizeof(to), "src/dir.%06d.%06d", i, pid); + (void)rename(from, to); + } + _exit(0); +} + +int +main() +{ + int fd, i, j; + char dir[128], file[128]; + + for (j = 0; j < 50; j++) { + if (mkdir("src", 0700) == -1) + err(1, "mkdir(src)"); + + for (i = 0; i < N; i++) { + snprintf(dir, sizeof(dir), "src/dir.%06d", i); + if (mkdir(dir, 0700) == -1) + err(1, "mkdir(%s)", dir); + snprintf(file, sizeof(file), "%s/meta", dir); + if ((fd = open(file, O_RDWR | O_CREAT, 0600)) < 0) + err(1, "open(%s)", file); + close(fd); + snprintf(file, sizeof(file), "%s/data", dir); + if ((fd = open(file, O_RDWR | O_CREAT, 0600)) < 0) + err(1, "open(%s)", file); + close(fd); + } + + for (i = 0; i < 2; i++) { + if (fork() == 0) + test(); + } + for (i = 0; i < 2; i++) + wait(NULL); + + system("rm -rf src > /dev/null 2>&1"); + } + + return (0); +}
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