From owner-freebsd-hackers Wed Aug 18 11:16: 1 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.40.131]) by hub.freebsd.org (Postfix) with ESMTP id 68E981505D; Wed, 18 Aug 1999 11:15:54 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.9.3/8.9.2) with ESMTP id UAA01443; Wed, 18 Aug 1999 20:15:59 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Julian Elischer Cc: Bill Studenmund , Terry Lambert , Alton Matthew , Hackers@FreeBSD.ORG, fs@FreeBSD.ORG Subject: Re: BSD XFS Port & BSD VFS Rewrite In-reply-to: Your message of "Wed, 18 Aug 1999 11:01:58 PDT." Date: Wed, 18 Aug 1999 20:15:59 +0200 Message-ID: <1441.935000159@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message , Julian Elischer writes: >On Wed, 18 Aug 1999, Poul-Henning Kamp wrote: > >> Matt doesn't represent the FreeBSD project, and even if he rewrites >> the VFS subsystem so he can understand it, his rewrite would face >> considerable resistance on its way into FreeBSD. I don't think >> there is reason to rewrite it, but there certainly are areas >> that need fixing. > >You are misinformed as far as I know.. From discussions I saw, th >main architect of a VFS rewrite would be Kirk, and Matt would be acting as >Kirk's right-hand-man. I bet that Matt and Kirk uses "rewrite" for two very different concepts. The resulting reviews will be equally different. >> >> The use of the "vfs_default" to make unimplemented VOP's >> >> fall through to code which implements function, while well >> >> intentioned, is misguided. >> >> I beg to differ. The only difference is that we pass through >> multiple layers before we hit the bottom of the stack. There is >> no loss of functionality but significant gain of clarity and >> modularity. > >Well I believe that Kirk considers them misguided too, but he stated that >he wasn't going to remove them without serious thought about the alternatives. I'll be more than ready to discuss this with Kirk. -- 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-hackers" in the body of the message