From owner-freebsd-fs@FreeBSD.ORG  Wed May 26 15:01:26 2004
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C842C16A4CE
	for <freebsd-fs@freebsd.org>; Wed, 26 May 2004 15:01:26 -0700 (PDT)
Received: from fledge.watson.org (fledge.watson.org [204.156.12.50])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 7054743D3F
	for <freebsd-fs@freebsd.org>; Wed, 26 May 2004 15:01:26 -0700 (PDT)
	(envelope-from robert@fledge.watson.org)
Received: from fledge.watson.org (localhost [127.0.0.1])
	by fledge.watson.org (8.12.11/8.12.11) with ESMTP id i4QM0Vl7027109;
	Wed, 26 May 2004 18:00:31 -0400 (EDT)
	(envelope-from robert@fledge.watson.org)
Received: from localhost (robert@localhost)i4QM0UoZ027106;
	Wed, 26 May 2004 18:00:30 -0400 (EDT)
	(envelope-from robert@fledge.watson.org)
Date: Wed, 26 May 2004 18:00:30 -0400 (EDT)
From: Robert Watson <rwatson@freebsd.org>
X-Sender: robert@fledge.watson.org
To: Brooks Davis <brooks@one-eyed-alien.net>
In-Reply-To: <20040525170632.GB18275@Odin.AC.HMC.Edu>
Message-ID: <Pine.NEB.3.96L.1040526175932.20947J-100000@fledge.watson.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
cc: freebsd-fs@freebsd.org
cc: Miles Lubin <miles@lubin.us>
Subject: Re: shfs port?
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.1
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: Wed, 26 May 2004 22:01:26 -0000


On Tue, 25 May 2004, Brooks Davis wrote:

> On Tue, May 25, 2004 at 12:08:37PM +0200, Cyrille Lefevre wrote:
> > "Miles Lubin" <miles@lubin.us> wrote:
> > > The shfs linux kernel module (http://shfs.sourceforge.net/) looks like it
> > would be useful,
> > > anyone interested in leading the porting of it? I would gladly help, but I've
> > never ported
> > > anything and dont know the FBSD or Linux kernel well.
> > 
> > it would be more simple to supply ssh support to ggated/ggatec under -current :)
> 
> GEOM gate and shfs are unrelated.  GEOM gate provides remote access to a
> GEOM (e.g. a disk object).  shfs accesses files remotly via an ssh
> connection much like an ftp file system.  If you wrote an appropriate
> daemon, it should be straight forward to do this via portalfs.  See
> mount_portalfs(8) for more info. 

It would actually be tempting to use something like Arla's XFS or the Coda
stubs in the kernel to implement it via a userland daemon, since they make
it a lot easier to write a distributed file system, especially if that
file system transfers only whole files rather than blocks.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Senior Research Scientist, McAfee Research