From owner-freebsd-fs@FreeBSD.ORG  Fri Oct 29 01:28:38 2010
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 145181065673
	for <freebsd-fs@freebsd.org>; Fri, 29 Oct 2010 01:28:38 +0000 (UTC)
	(envelope-from kaduk@mit.edu)
Received: from dmz-mailsec-scanner-6.mit.edu (DMZ-MAILSEC-SCANNER-6.MIT.EDU
	[18.7.68.35]) by mx1.freebsd.org (Postfix) with ESMTP id AD15F8FC08
	for <freebsd-fs@freebsd.org>; Fri, 29 Oct 2010 01:28:37 +0000 (UTC)
X-AuditID: 12074423-b7bd0ae000000a00-16-4cca23444987
Received: from mailhub-auth-2.mit.edu ( [18.7.62.36])
	by dmz-mailsec-scanner-6.mit.edu (Symantec Brightmail Gateway) with
	SMTP id EF.47.02560.4432ACC4; Thu, 28 Oct 2010 21:28:36 -0400 (EDT)
Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103])
	by mailhub-auth-2.mit.edu (8.13.8/8.9.2) with ESMTP id o9T1SaW0001601; 
	Thu, 28 Oct 2010 21:28:36 -0400
Received: from multics.mit.edu (MULTICS.MIT.EDU [18.187.1.73])
	(authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU)
	by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id o9T1SYVt026597
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Thu, 28 Oct 2010 21:28:35 -0400 (EDT)
Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308)
	id o9T1SWaj003602; Thu, 28 Oct 2010 21:28:32 -0400 (EDT)
Date: Thu, 28 Oct 2010 21:28:32 -0400 (EDT)
From: Benjamin Kaduk <kaduk@MIT.EDU>
To: Gleb Kurtsou <gleb.kurtsou@gmail.com>
In-Reply-To: <20101028141559.GA2291@tops>
Message-ID: <alpine.GSO.1.10.1010282124150.19200@multics.mit.edu>
References: <AANLkTin0dGcNJMYvXiWC7Diz7jMxAEpXFeeJDK1h3AQO@mail.gmail.com>
	<20101028141559.GA2291@tops>
User-Agent: Alpine 1.10 (GSO 962 2008-03-14)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Brightmail-Tracker: AAAAAA==
Cc: freebsd-fs <freebsd-fs@freebsd.org>,
	FreeBSD-Current <freebsd-current@freebsd.org>, kris@pcbsd.org
Subject: Re: Fixing and importing the fusefs kernel module - any VFS-savvy
 takers?
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 29 Oct 2010 01:28:38 -0000

On Thu, 28 Oct 2010, Gleb Kurtsou wrote:

> Besides as far as I know OpenAFS has user-kernel interface and
> implements filesystem at userspace. Sun or Apple have reimplemented fuse

The filesystem portions of OpenAFS are implemented in-kernel.  Userspace 
utilities are for manipulating and querying attributes that are not easily 
exposed through the VFS layer.

-Ben Kaduk