From owner-freebsd-fs Mon Nov 1 2:12:54 1999 Delivered-To: freebsd-fs@freebsd.org Received: from akat.civ.cvut.cz (akat.civ.cvut.cz [147.32.235.105]) by hub.freebsd.org (Postfix) with SMTP id 4EF8C14E04 for ; Mon, 1 Nov 1999 02:12:40 -0800 (PST) (envelope-from pechy@hp735.cvut.cz) Received: from localhost (pechy@localhost) by akat.civ.cvut.cz (950413.SGI.8.6.12/950213.SGI.AUTOCF) via ESMTP id LAA21363; Mon, 1 Nov 1999 11:11:06 +0100 Date: Mon, 1 Nov 1999 11:11:06 +0100 From: Jan Pechanec X-Sender: pechy@akat.civ.cvut.cz To: Poul-Henning Kamp Cc: Greg Lehey , Bernd Walter , Don , Alfred Perlstein , freebsd-fs@FreeBSD.ORG Subject: Re: Journaling In-Reply-To: <4407.941213948@critter.freebsd.dk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 29 Oct 1999, Poul-Henning Kamp wrote: Vahalia [UNIX Internals, Prentice-Hall] says that FFS is an original BSD filesystem and UFS is rewritten FFS for vnode layer. Jan. >In message <19991029095858.50758@mojave.worldwide.lemis.com>, Greg Lehey writes: >>On Wednesday, 27 October 1999 at 19:32:00 +0200, Bernd Walter wrote: >>> The number of partitions has nothing to do with with the filesystem you use. >>> FFS is not a partitionsheme but a filesystem. >>> UFS is a historic filesystem on which FFS is based. >> >>Well, in fact they're the same thing. The *old* name is FFS (Fast >>File System). When System V.4 was released, they adopted FFS as the >>standard file system and called it the UNIX File System. > >...Whereas in *BSD "UFS" refers to the unix sematics layer (directory >manipulation and all that) and "FFS" refers to the underlying storage >object manager (which only understands inodes and their layout.) > >-- >Poul-Henning Kamp FreeBSD coreteam member >phk@FreeBSD.ORG "Real hackers run -current on their laptop." >FreeBSD -- It will take a long time before progress goes too far! > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-fs" in the body of the message > -- Jan PECHANEC (mailto:pechy@hp735.cvut.cz) Computing Center CTU (Zikova 4, Praha 6, 166 35, Czech Republic) http://www.civ.cvut.cz, tel: +420 2 2435 2969, http://pechy.civ.cvut.cz To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message