From owner-freebsd-current@FreeBSD.ORG Sun Feb 8 21:13:14 2004 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 A303A16A4CE for ; Sun, 8 Feb 2004 21:13:14 -0800 (PST) Received: from rwcrmhc11.comcast.net (rwcrmhc11.comcast.net [204.127.198.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9727043D3F for ; Sun, 8 Feb 2004 21:13:14 -0800 (PST) (envelope-from julian@elischer.org) Received: from interjet.elischer.org ([24.7.73.28]) by comcast.net (rwcrmhc11) with ESMTP id <2004020905131001300746o5e>; Mon, 9 Feb 2004 05:13:14 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id VAA60834; Sun, 8 Feb 2004 21:13:08 -0800 (PST) Date: Sun, 8 Feb 2004 21:13:07 -0800 (PST) From: Julian Elischer To: Poul-Henning Kamp In-Reply-To: <6514.1076282830@critter.freebsd.dk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: Garance A Drosihn cc: current@freebsd.org Subject: Re: Review/Test: Pseudo-device unit number management patch 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, 09 Feb 2004 05:13:14 -0000 On Mon, 9 Feb 2004, Poul-Henning Kamp wrote: > In message , Garance A Drosihn writes: > >At 9:11 AM +0100 2/8/04, Poul-Henning Kamp wrote: > >>Julian Elischer writes: > >> > > >> > Previously, nmdm started off with 4 devices visible in /dev now > >> > I don't see that.. The old behaviour was intuitive... You saw > >> > a device. > >> > >>This new behaviour is called a "cloning device" and it doesn't > >>allocate any resources until they are actually needed, which I > >>believe is the correct behaviour for pseudo-devices. > > > >Could there be some kind of fake "marker-device" sitting there, > >one which would use basically no resources, and which would > >change to the real-device when someone opens it? > > No, that is not possible with the model we have chosen. s/we/I/ > > -- > 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. >