From owner-freebsd-current@FreeBSD.ORG Sun Feb 8 13:54:58 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 97FA716A4CE for ; Sun, 8 Feb 2004 13:54:58 -0800 (PST) Received: from smtp4.server.rpi.edu (smtp4.server.rpi.edu [128.113.2.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5910443D2F for ; Sun, 8 Feb 2004 13:54:58 -0800 (PST) (envelope-from drosih@rpi.edu) Received: from [128.113.24.47] (gilead.netel.rpi.edu [128.113.24.47]) by smtp4.server.rpi.edu (8.12.8/8.12.8) with ESMTP id i18LsOf5016044; Sun, 8 Feb 2004 16:54:25 -0500 Mime-Version: 1.0 X-Sender: drosih@mail.rpi.edu Message-Id: In-Reply-To: <16065.1076227919@critter.freebsd.dk> References: <16065.1076227919@critter.freebsd.dk> Date: Sun, 8 Feb 2004 16:54:23 -0500 To: "Poul-Henning Kamp" , Julian Elischer From: Garance A Drosihn Content-Type: text/plain; charset="us-ascii" ; format="flowed" X-Scanned-By: CanIt (www . canit . ca) 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: Sun, 08 Feb 2004 21:54:58 -0000 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? I do like the idea of some visible marker there, instead of expecting people to "just know" exactly what device-name to type. -- Garance Alistair Drosehn = gad@gilead.netel.rpi.edu Senior Systems Programmer or gad@freebsd.org Rensselaer Polytechnic Institute or drosih@rpi.edu