Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764636AbXJEXYm (ORCPT ); Fri, 5 Oct 2007 19:24:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759634AbXJEXYf (ORCPT ); Fri, 5 Oct 2007 19:24:35 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:54004 "EHLO the-village.bc.nu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1756768AbXJEXYe (ORCPT ); Fri, 5 Oct 2007 19:24:34 -0400 Date: Sat, 6 Oct 2007 00:29:19 +0100 From: Alan Cox To: "H. Peter Anvin" Cc: Jan Engelhardt , Linux Kernel Mailing List Subject: Re: [code] Unlimited partitions, a try Message-ID: <20071006002919.0b32c8b9@the-village.bc.nu> In-Reply-To: <4706B6A8.2060800@zytor.com> References: <4706B6A8.2060800@zytor.com> X-Mailer: Claws Mail 2.10.0 (GTK+ 2.10.14; i386-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 932 Lines: 23 On Fri, 05 Oct 2007 15:11:52 -0700 "H. Peter Anvin" wrote: > Jan Engelhardt wrote: > > 15 partitions (at least for sd_mod devices) are too few. > > Now when we have 20-bit minors, can't we simply recycle some of the > higher bits for additional partitions, across the board? 63 partitions > seem to have been sufficient; at least I haven't heard anyone complain > about that for 15 years. This was proposed ages ago. Al Viro vetoed sparse minors and it has been stuck this way ever since. If you have > 15 partitions use device mapper for it. I'd prefer it fixed but its arguable that device mapper is the right way to punt all our partitioning to userspace Alan - 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/