From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030205AbWBMWMO (ORCPT ); Mon, 13 Feb 2006 17:12:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030207AbWBMWMO (ORCPT ); Mon, 13 Feb 2006 17:12:14 -0500 Received: from perpugilliam.csclub.uwaterloo.ca ([129.97.134.31]:17607 "EHLO perpugilliam.csclub.uwaterloo.ca") by vger.kernel.org with ESMTP id S1030205AbWBMWMN (ORCPT ); Mon, 13 Feb 2006 17:12:13 -0500 Date: Mon, 13 Feb 2006 17:12:11 -0500 To: Joerg Schilling Cc: peter.read@gmail.com, mj@ucw.cz, matthias.andree@gmx.de, linux-kernel@vger.kernel.org, jim@why.dont.jablowme.net, jengelh@linux01.gwdg.de, alex@samad.com.au Subject: Re: CD writing in future Linux (stirring up a hornets' nest) Message-ID: <20060213221211.GB29940@csclub.uwaterloo.ca> References: <43EB0DEB.nail52A1LVGUO@burner> <43EB7210.nailIDH2JUBZE@burner> <43EB7BBA.nailIFG412CGY@burner> <43EC71FB.nailISD31LRCB@burner> <20060210114930.GC2750@DervishD> <20060213005002.GK26235@samad.com.au> <43F098A2.nailKUSL1W9PE@burner> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <43F098A2.nailKUSL1W9PE@burner> User-Agent: Mutt/1.5.9i From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 13, 2006 at 03:33:06PM +0100, Joerg Schilling wrote: > This is a deficite of the Linux kernel model. You don't have similar > problems on Solaris. Here is something I have wondered about: If solaris assigns consistent device entries to a device that is hotplugged each time it is connected, which is certainly something that can be implemented, then how many such devices can it handle before it runs out of room for new devices? After all I could theoretically have 100000 usb and firewire cd-rw drives. What if I was to plug each one in one at a time in turn. Would it deal with that? What kind of references would I end up with for them by the time I hit number 99999? Do I end up with device 99999,0,0 in cdrecord/libscg? At some point you have to give up on old devices or you could end up having to keep an index the whole universe. Len Sorensen