From owner-freebsd-hackers Mon Dec 17 16: 8:32 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from monorchid.lemis.com (monorchid.lemis.com [192.109.197.75]) by hub.freebsd.org (Postfix) with ESMTP id 69B6937B41A; Mon, 17 Dec 2001 16:08:11 -0800 (PST) Received: by monorchid.lemis.com (Postfix, from userid 1004) id 14C4A786E3; Tue, 18 Dec 2001 10:38:09 +1030 (CST) Date: Tue, 18 Dec 2001 10:38:09 +1030 From: Greg Lehey To: Dave Reyenga Cc: freebsd-fs@freebsd.org, freebsd-hackers@freebsd.org, hiten@uk.FreeBSD.org Subject: Re: Instead of JFS, why not a whole new FS? Message-ID: <20011218103809.V14500@monorchid.lemis.com> References: <001301c1874d$50ae0d20$02000003@tornado> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <001301c1874d$50ae0d20$02000003@tornado> User-Agent: Mutt/1.3.23i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Monday, 17 December 2001 at 22:50:45 -0000, Dave Reyenga wrote: > How about writing a new filesystem based on UFS? If it's based on UFS, it's not a new file system. > This would save all of the hassle that JFS would bring: licensing, > porting time, etc. There are no hassles with licensing. You'd be balancing porting time against writing time. Guess which would take longer. > What I'm thinking is a filesystem that takes the current UFS and > improves upon it. It could support larger partitions, That's relatively trivial. The big issue is compatibility. > more partitions in a slice, That's relatively trivial. The big issue is compatibility. > and perhaps a "Journal" partition (like the current "swap" > partition) Well, I don't think the journal would be like swap. > among other new features. That's pretty much what IBM did. They called the result JFS. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message