From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753872AbYIBUSR (ORCPT ); Tue, 2 Sep 2008 16:18:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751711AbYIBUSE (ORCPT ); Tue, 2 Sep 2008 16:18:04 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41350 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751511AbYIBUSD (ORCPT ); Tue, 2 Sep 2008 16:18:03 -0400 Message-ID: <48BD9F36.8000704@zytor.com> Date: Tue, 02 Sep 2008 13:16:54 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Tejun Heo CC: device@lanana.org, Linux Kernel Mailing List , Jens Axboe Subject: Re: regarding major number of block extended devt References: <48BD30F9.6080108@kernel.org> <48BD3313.7090906@kernel.org> In-Reply-To: <48BD3313.7090906@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tejun Heo wrote: > 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. > It would seem better to simply use the high minors on the already-existing ide and scsi majors? -hpa