Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764999AbXJFT11 (ORCPT ); Sat, 6 Oct 2007 15:27:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754122AbXJFT1T (ORCPT ); Sat, 6 Oct 2007 15:27:19 -0400 Received: from mail.tmr.com ([64.65.253.246]:41025 "EHLO gaimboi.tmr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751537AbXJFT1T (ORCPT ); Sat, 6 Oct 2007 15:27:19 -0400 Message-ID: <4707E327.4020607@tmr.com> Date: Sat, 06 Oct 2007 15:33:59 -0400 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.8) Gecko/20061105 SeaMonkey/1.0.6 MIME-Version: 1.0 To: "H. Peter Anvin" CC: Alan Cox , Jan Engelhardt , Linux Kernel Mailing List Subject: Re: [code] Unlimited partitions, a try References: <4706B6A8.2060800@zytor.com> <20071006002919.0b32c8b9@the-village.bc.nu> <4706C8BD.7080906@zytor.com> In-Reply-To: <4706C8BD.7080906@zytor.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1597 Lines: 36 H. Peter Anvin wrote: > Alan Cox wrote: >> 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 > > Sure. However, that takes having that bit of userspace in even the most > trivial configurations, and not just on bootup, but continuously. > I'm not sure that configurations requiring more than 15 partitions are properly described as "trivial." Which is not to disagree with your point about required user tools, but most systems needing such tools will be large and complex enough that a userspace solution will be acceptable. -- Bill Davidsen "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot - 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/