From nobody@FreeBSD.org  Mon Aug  6 22:18:24 2012
Return-Path: <nobody@FreeBSD.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id DBCC9106564A
	for <freebsd-gnats-submit@FreeBSD.org>; Mon,  6 Aug 2012 22:18:24 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22])
	by mx1.freebsd.org (Postfix) with ESMTP id C72FE8FC08
	for <freebsd-gnats-submit@FreeBSD.org>; Mon,  6 Aug 2012 22:18:24 +0000 (UTC)
Received: from red.freebsd.org (localhost [127.0.0.1])
	by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q76MIOG6001695
	for <freebsd-gnats-submit@FreeBSD.org>; Mon, 6 Aug 2012 22:18:24 GMT
	(envelope-from nobody@red.freebsd.org)
Received: (from nobody@localhost)
	by red.freebsd.org (8.14.4/8.14.4/Submit) id q76MIOoH001694;
	Mon, 6 Aug 2012 22:18:24 GMT
	(envelope-from nobody)
Message-Id: <201208062218.q76MIOoH001694@red.freebsd.org>
Date: Mon, 6 Aug 2012 22:18:24 GMT
From: Antti Louko <alo@louko.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Partition resize and growfs destroys label entry in /dev/ufs
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         170431
>Category:       kern
>Synopsis:       Partition resize and growfs destroys label entry in /dev/ufs
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Aug 06 22:20:04 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Antti Louko
>Release:        9.0-RELEASE
>Organization:
>Environment:
FreeBSD yyyy.alo.fi 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Fri Feb 24 13:46:39 EET 2012     root@yyyy.alo.fi:/usr/src/sys/amd64/compile/ALOIPF5  amd64
>Description:
When a UFS partiotion has been created with a label (-L option), its partition appears in /dev/ufs. If partition is resized and the file system growfs:d, the entry in /dev/ufs disappears.

>How-To-Repeat:
Run the following shell script as root and observe results:

#! /bin/sh
label="Randomlabel"
partfile="Some-random-file-name"
rm -f "$partfile"
tee "$partfile" < /dev/null
dev=`mdconfig -a -t vnode -f "$partfile" -s 256M`
gpart create -s bsd $dev
gpart add -t freebsd-ufs -i 1 -s 64M "$dev"
newfs -L "$label" /dev/"$dev"a
echo "Label exists in /dev/ufs/"
ls -l /dev/ufs/"$label"
gpart resize -i 1 -s 128M "$dev"
growfs -y /dev/"$dev"a
echo "Label doesn't exists in /dev/ufs/"
ls -l /dev/ufs/"$label"
mdconfig -d -u "$dev"
rm "$partfile"

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:
