From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752066AbYIBMhP (ORCPT ); Tue, 2 Sep 2008 08:37:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751307AbYIBMhA (ORCPT ); Tue, 2 Sep 2008 08:37:00 -0400 Received: from hera.kernel.org ([140.211.167.34]:39909 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750894AbYIBMhA (ORCPT ); Tue, 2 Sep 2008 08:37:00 -0400 Message-ID: <48BD3313.7090906@kernel.org> Date: Tue, 02 Sep 2008 14:35:31 +0200 From: Tejun Heo User-Agent: Thunderbird 2.0.0.12 (X11/20071114) MIME-Version: 1.0 To: device@lanana.org, Linux Kernel Mailing List , Jens Axboe Subject: Re: regarding major number of block extended devt References: <48BD30F9.6080108@kernel.org> In-Reply-To: <48BD30F9.6080108@kernel.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Tue, 02 Sep 2008 12:36:49 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tejun Heo wrote: > Hello, > > Extended devt is scheduled for 2.6.28 merge and is currently using 259. > Can extended devt keep this major or should it use something else? Oops, I forgot to write information about ext devt. 259 block Block extended device numbers This is pool of dynamically allocated block device numbers. Currently, ide and sd overflows into this region if there are more partitions than the existing device number scheme can accomodate, but any block device can use it and it's not restricted to overflows. Thanks. -- tejun