Date: Mon, 1 Nov 1999 11:11:06 +0100 From: Jan Pechanec <pechy@hp735.cvut.cz> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: Greg Lehey <grog@lemis.com>, Bernd Walter <ticso@cicely.de>, Don <don@calis.blacksun.org>, Alfred Perlstein <bright@wintelcom.net>, freebsd-fs@FreeBSD.ORG Subject: Re: Journaling Message-ID: <Pine.SGI.4.05.9911011109410.21204-100000@akat.civ.cvut.cz> In-Reply-To: <4407.941213948@critter.freebsd.dk>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.SGI.4.05.9911011109410.21204-100000>