svn commit: r226682 - projects/stress2/misc

[Peter Holm]

Author: pho
Date: Mon Oct 24 10:48:13 2011
New Revision: 226682
URL: http://svn.freebsd.org/changeset/base/226682

Log:
  New nullfs(5) test scenario added.

Added:
  projects/stress2/misc/nullfs7.sh   (contents, props changed)

Added: projects/stress2/misc/nullfs7.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/stress2/misc/nullfs7.sh	Mon Oct 24 10:48:13 2011	(r226682)
@@ -0,0 +1,59 @@
+#!/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.
+#
+# $FreeBSD$
+#
+
+# "panic: Lock ufs not locked @ ../../../kern/vfs_default.c:508" seen.
+# Based on scenario by Subbsd <subbsd gmail com>
+# Fixed in r226681
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+
+mdconfig -a -t swap -s 1g -u $mdstart || exit 1
+bsdlabel -w md$mdstart auto
+newfs -U md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+
+[ -d $RUNDIR ] || mkdir -p $RUNDIR
+for i in `jot 50`; do
+	DST="$mntpoint/$i"
+	[ -d "$DST" ] || mkdir $DST
+	mount -oro -t nullfs $RUNDIR $DST
+	mount -orw -t nullfs /bin $DST
+done
+mount | grep nullfs | awk '{print $3}' | xargs umount 
+
+while mount | grep $mntpoint | grep -q /dev/md; do
+	umount $mntpoint || sleep 1
+done
+mdconfig -d -u $mdstart