svn commit: r260123 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Tue Dec 31 11:54:37 2013
New Revision: 260123
URL: http://svnweb.freebsd.org/changeset/base/260123

Log:
  Added old regression test.
  
  Sponsored by:	EMC / Isilon storage division

Added:
  user/pho/stress2/misc/trim5.sh   (contents, props changed)

Added: user/pho/stress2/misc/trim5.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/trim5.sh	Tue Dec 31 11:54:37 2013	(r260123)
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2012 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 with TRIM and ufs snapshots
+# Scenario by Yamagi Burmeister <lists yamagi org>
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+
+mount | grep "$mntpoint " | grep -q md$mdstart && umount $mntpoint
+mdconfig -l | grep -q md$mdstart &&  mdconfig -d -u $mdstart
+
+mdconfig -a -t malloc -s 128m -u $mdstart
+bsdlabel -w md$mdstart auto
+newfs -U -t md${mdstart}$part > /dev/null
+mount /dev/md${mdstart}$part $mntpoint
+
+mksnap_ffs $mntpoint ${mntpoint}/.snap/snap
+
+while mount | grep -q $mntpoint; do
+	umount $mntpoint || sleep 1
+done
+mdconfig -d -u $mdstart