Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 8 Mar 2003 15:21:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 8 Mar 2003 15:21:17 -0500 Received: from carisma.slowglass.com ([195.224.96.167]:43020 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id ; Sat, 8 Mar 2003 15:21:12 -0500 Date: Sat, 8 Mar 2003 20:31:46 +0000 From: Christoph Hellwig To: Andries.Brouwer@cwi.nl Cc: akpm@digeo.com, alan@lxorguk.ukuu.org.uk, greg@kroah.com, linux-kernel@vger.kernel.org, torvalds@transmeta.com Subject: Re: [PATCH] register_blkdev Message-ID: <20030308203146.A32002@infradead.org> Mail-Followup-To: Christoph Hellwig , Andries.Brouwer@cwi.nl, akpm@digeo.com, alan@lxorguk.ukuu.org.uk, greg@kroah.com, linux-kernel@vger.kernel.org, torvalds@transmeta.com References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from Andries.Brouwer@cwi.nl on Sat, Mar 08, 2003 at 09:26:15PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 31 On Sat, Mar 08, 2003 at 09:26:15PM +0100, Andries.Brouwer@cwi.nl wrote: > There is no need to do all of that. Going to 32-bit dev_t > is trivial, not a major restructuring. Doing it _right_ does require major restructuring. > However, it can be crashed from userspace, so before we do > the three minutes editing the audit is needed. > Look at the patch for raw.c I posted a few hours ago. > One trivial test. And probably one of them in at least half of the character drivers. We need to get rid of the artifical major/minor split completly instead of just increasing it, leaving silly assumptions in and increasing the space consumed by all those arrays by magnitudes. > > If people really think they need a 32bit dev_t > > we should just introduce it and use it only for block devices > > and stay with the old 8+8 split for character devices. > > Of course discussing the future and how the cake should > be divided once we have it may be of interest No, the point is that the character devices aren't ready yet for moving away from the old 8+8 split. - 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/