From owner-freebsd-current@FreeBSD.ORG Mon Oct 20 00:53:36 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CC0B716A4B3; Mon, 20 Oct 2003 00:53:35 -0700 (PDT) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 98DD743FB1; Mon, 20 Oct 2003 00:53:34 -0700 (PDT) (envelope-from phk@phk.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.10/8.12.10) with ESMTP id h9K7rP4b007363; Mon, 20 Oct 2003 09:53:25 +0200 (CEST) (envelope-from phk@phk.freebsd.dk) To: Andrew Gallatin From: "Poul-Henning Kamp" In-Reply-To: Your message of "Thu, 04 Sep 2003 17:34:30 EDT." <16215.45030.31344.503298@grasshopper.cs.duke.edu> Date: Mon, 20 Oct 2003 09:53:25 +0200 Message-ID: <7362.1066636405@critter.freebsd.dk> cc: arch@freebsd.org cc: current@freebsd.org Subject: Re: DISCUSSION: /dev/fd%d.%d and /dev/{a}cd%d[ac] to be discontinued ? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Oct 2003 07:53:36 -0000 In message <16215.45030.31344.503298@grasshopper.cs.duke.edu>, Andrew Gallatin writes: > >Poul-Henning Kamp writes: > > > > As soon as these uses of cloning code has been removed, I will move > > the floppy and CD drivers under GEOM, paving the way for the > > significant changes to the buf/VM system which some of you have > > already heard rumours about. (more will emerge after BSDcon'03) > > > > And now comes the bit which I would like to offer for discussion: > > > > Should we do this for 5.2 instead ? > > > >I think this sounds good. > >Can you give a hint as to what you mean by the significant buf/VM >system changes? Are you talking about removing the vnode detour for >drivers and giving drivers who want it access to the struct file? ... and all that stuff yes. It's been discussed in various emails in the past. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.