Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 27 Mar 2003 18:08:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 27 Mar 2003 18:08:14 -0500 Received: from smtpzilla2.xs4all.nl ([194.109.127.138]:22021 "EHLO smtpzilla2.xs4all.nl") by vger.kernel.org with ESMTP id ; Thu, 27 Mar 2003 18:08:13 -0500 Date: Fri, 28 Mar 2003 00:19:25 +0100 (CET) From: Roman Zippel X-X-Sender: roman@serv To: Alan Cox cc: Andries.Brouwer@cwi.nl, Linux Kernel Mailing List Subject: Re: 64-bit kdev_t - just for playing In-Reply-To: <1048805732.3953.1.camel@dhcp22.swansea.linux.org.uk> Message-ID: References: <1048805732.3953.1.camel@dhcp22.swansea.linux.org.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1469 Lines: 44 Hi, On 27 Mar 2003, Alan Cox wrote: > > How are these disks registered and how will the dev_t number look like? > > Al Viro's work so far makes those issues you can defer nicely. I know his work, I'm just trying to find out, whether Andries understands it too, or if he maybe knows something I don't. > > How will the user know about these numbers? > > Devices.txt or dynamic assignment The first case means a /dev directory with millions of dev entries. How does the user find out about the number of partitions in the second case? > > Who creates these device entries (user or daemon)? > > Who cares 8) Thats just the devfs argument all over again 8) Why? I specifically didn't mention the kernel. Anyone has to care, somehow this large number space must be managed. > > SCSI has multiple majors, disks 0-15 are at major 8, disks 16-31 are at > > 65, ...., disks 112-127 are at major 71. Will this stay the same? Where > > are the disk 128-xxx? > > Can I have now more than 15 partitions? > > It becomes possible, more importantly we can begin to support > partitioned CD-ROM both for multisession and for real partition > tables on CD (eg Macintrash) How exactly does this become possible? bye, Roman - 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/