From owner-freebsd-questions@FreeBSD.ORG  Mon Jan  9 19:02:35 2012
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id C9AE01065673
	for <freebsd-questions@freebsd.org>;
	Mon,  9 Jan 2012 19:02:35 +0000 (UTC) (envelope-from cswiger@mac.com)
Received: from asmtpout018.mac.com (asmtpout018.mac.com [17.148.16.93])
	by mx1.freebsd.org (Postfix) with ESMTP id B09C18FC0C
	for <freebsd-questions@freebsd.org>;
	Mon,  9 Jan 2012 19:02:35 +0000 (UTC)
MIME-version: 1.0
Content-transfer-encoding: 7BIT
Content-type: text/plain; CHARSET=US-ASCII
Received: from cswiger1.apple.com (unknown [17.209.4.71])
	by asmtp018.mac.com (Oracle Communications Messaging Server 7u4-23.01
	(7.0.4.23.0) 64bit (built Aug 10 2011))
	with ESMTPSA id <0LXJ005UJOVSCH20@asmtp018.mac.com> for
	freebsd-questions@freebsd.org; Mon, 09 Jan 2012 19:02:17 +0000 (GMT)
X-Proofpoint-Virus-Version: vendor=fsecure
	engine=2.50.10432:5.5.7110,1.0.211,0.0.0000
	definitions=2012-01-09_06:2012-01-09, 2012-01-09,
	1970-01-01 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0
	ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0
	classifier=spam
	adjust=0 reason=mlx scancount=1 engine=6.0.2-1012030000
	definitions=main-1201090177
From: Chuck Swiger <cswiger@mac.com>
In-reply-to: <2A.1D.03964.B35F90F4@cm-omr7>
Date: Mon, 09 Jan 2012 11:02:16 -0800
Message-id: <23FF6E64-DB78-426F-8B96-A5C8413CB7FA@mac.com>
References: <2A.1D.03964.B35F90F4@cm-omr7>
To: Chris <racerx@makeworld.com>
X-Mailer: Apple Mail (2.1084)
Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject: Re: Mounting (read/write) ext4
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Jan 2012 19:02:35 -0000

On Jan 8, 2012, at 11:57 AM, Chris wrote:
> Can the upcoming FreeBSD 9 mount ext4 file systems out of the box?

Probably no.  There's ext2 backwards-compatibility, but from what I recall, as soon as someone uses extents under the ext4 filesystem it is no longer backwards-compatible with ext2/3.

On the other hand, installing sysutils/fusefs-ext4fuse or sysutils/e2fsprogs ought to be straightforward.

Regards,
-- 
-Chuck