Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 20 Mar 2003 17:39:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 20 Mar 2003 17:38:18 -0500 Received: from 12-231-249-244.client.attbi.com ([12.231.249.244]:48901 "HELO kroah.com") by vger.kernel.org with SMTP id ; Thu, 20 Mar 2003 17:36:46 -0500 Date: Thu, 20 Mar 2003 14:47:58 -0800 From: Greg KH To: "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org Subject: Re: Larger dev_t and major/minor split Message-ID: <20030320224757.GC5156@kroah.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 867 Lines: 21 On Thu, Mar 20, 2003 at 01:42:41PM -0800, H. Peter Anvin wrote: > > a) We use a 32+32 bit split for dev_t. Major zero, minor < 65536 > would be reserved for compatibility with the old 16-bit dev_t; it > still leaves the zero value the "no device" entry. We could still > use major 0, minor >= 65536 as anonymous devices, or we could > switch using major 255 which has been reserved for expansion for > the past eight years. Well, it seems that this is the most reasonable split, able to handle everyone for a long time. I can live with it, if only to keep people from Oracle quiet :) thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/