Return-Path: Received: by vger.rutgers.edu id <154342-662>; Fri, 9 Oct 1998 01:08:37 -0400 Received: from hp735.cvut.cz ([147.32.238.2]:3454 "HELO hp735.cvut.cz" ident: "NO-IDENT-SERVICE[2]") by vger.rutgers.edu with SMTP id <156146-662>; Fri, 9 Oct 1998 00:37:46 -0400 Date: Fri, 9 Oct 1998 10:55:49 +0100 (MET) From: Jan Pechanec To: "Mike A. Harris" Cc: linux-kernel@vger.rutgers.edu Subject: Re: stackable layers in filesytem In-Reply-To: Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-kernel@vger.rutgers.edu Content-Length: 1616 Lines: 52 On Thu, 8 Oct 1998, Mike A. Harris wrote: *>On Wed, 7 Oct 1998, Jan Pechanec wrote: *> *>> please, don't you know whether the newest kernels do have *>>"stackable layer support" for filesystem as e.g FreeBSD has? *> *>What exactly is stackable layer support? Have you investigated *>loopback filesystems? This might be what you are looking for, *>and has been supported in Linux for quite some time. *> Generaly, see: http://www.isi.edu/~johnh/PAPERS/Heidemann91a.html http://www.isi.edu/~johnh/PAPERS/index.html in FreeBSD, see 'man mount_null' Loopback fs is similar to nullfs in FreeBSD, but nullfs is just an ,,application'', you can develop layer that does things like compressing, ciphering etc. Jan. *> *> *> *> *>-- *>Mike A. Harris - Computer Consultant - Linux advocate *> *>Linux software galore: http://freshmeat.net *> *> _________________________________________________________________________ - Jan P E C H A N E C - Computing Center, Czech Technical University - ______________- -> Zikova 4, Praha 6, 166 35, Czech Republic / -> http://www.civ.cvut.cz / -> tel: +420 2 2435 2969 email: pechy@hp735.cvut.cz / -> personal www - http://akat.civ.cvut.cz/pechy / _____________________________________________________/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/