svn commit: r226152 - projects/stress2/misc

[Peter Holm]

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 at 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);
+}