From owner-freebsd-small Wed Oct 7 11:33:04 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA18216 for freebsd-small-outgoing; Wed, 7 Oct 1998 11:33:04 -0700 (PDT) (envelope-from owner-freebsd-small@FreeBSD.ORG) Received: from freeby.mesanet.com (mesa.dial.idiom.com [209.157.70.63]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA18177 for ; Wed, 7 Oct 1998 11:32:51 -0700 (PDT) (envelope-from pcw@mesanet.com) Received: from localhost (localhost [127.0.0.1]) by freeby.mesanet.com (8.8.7/8.8.7) with SMTP id LAA15342; Wed, 7 Oct 1998 11:30:07 -0700 (PDT) Date: Wed, 7 Oct 1998 11:30:07 -0700 (PDT) From: Peter Wallace To: Mike Smith cc: freebsd-small@FreeBSD.ORG Subject: Re: Command-line i/f (Re: PicoBSD) In-Reply-To: <199810071814.LAA01379@dingo.cdrom.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-small@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Peter Wallace Mesa Electronics On Wed, 7 Oct 1998, Mike Smith wrote: > > > > > > Extremely varied - I certainly see it being used on flash-based > > > systems; don't get me wrong, I'd love to see an unencumberd TFFS clone. > > > 8) > > > > Maybe we could give away our BIOS INT 13 FFS code and some kind > > FreeBSD hacker could munge it into unix land... > > That'd be an excellent start. I take it that your FFS is proprietary > (ie. it's not TFFS-compatible)? Yes, but compatibility for non-removeble media may not be so important... > > I might be available to do this, but if not I'd be more than happy to > help anyone that felt like undertaking the development of a generic > flash covering layer. > > (It's not really a filesystem so much as a block manager, correct?) Right, just logical-physical sector remapping - statistical erase-block/write-target ranking and maintaining erase block statistics in a distributed way. Our method is fairly memory intensive (about 4K RAM per M byte of drive) so mainly suited to smaller drives. Peter Wallace Mesa Electronics > > -- > \\ Sometimes you're ahead, \\ Mike Smith > \\ sometimes you're behind. \\ mike@smith.net.au > \\ The race is long, and in the \\ msmith@freebsd.org > \\ end it's only with yourself. \\ msmith@cdrom.com > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-small" in the body of the message