From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752374AbYIBMZe (ORCPT ); Tue, 2 Sep 2008 08:25:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751325AbYIBMZZ (ORCPT ); Tue, 2 Sep 2008 08:25:25 -0400 Received: from hera.kernel.org ([140.211.167.34]:34356 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750894AbYIBMZZ (ORCPT ); Tue, 2 Sep 2008 08:25:25 -0400 Message-ID: <48BD3031.3090905@kernel.org> Date: Tue, 02 Sep 2008 14:23:13 +0200 From: Tejun Heo User-Agent: Thunderbird 2.0.0.12 (X11/20071114) MIME-Version: 1.0 To: device-mapper development , "Alan D. Brunelle" , "linux-kernel@vger.kernel.org" , Jens Axboe Subject: Re: [dm-devel] Re: Problem w/ CONFIG_DEBUG_BLOCK_EXT_DEVT References: <48BD173B.3090600@hp.com> <48BD19B1.9040207@kernel.org> <48BD1BA5.1020604@hp.com> <48BD1E30.8040602@kernel.org> <20080902122006.GN15123@agk.fab.redhat.com> In-Reply-To: <20080902122006.GN15123@agk.fab.redhat.com> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1 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 12:24:34 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alasdair G Kergon wrote: > On Tue, Sep 02, 2008 at 01:06:24PM +0200, Tejun Heo wrote: >> Well, dev_t is 32bits and MINORBITS is 20. So, major 12 bits, minor 20 >> bits, so 4 characters for major, 7 characters for minor. > > Upstream libdevmapper CVS patched - will appear in next release (1.02.28). Alright, thanks. What about the /proc/devices one? Would adding an entry help? I'm kind of lost /proc/devices. It's now mostly non-functional legacy stuff we've been carrying around. Is it deprecated or do we intend to keep it around forever? Ooh.. which also reminds me that I forgot to reserve the major number w/ lanana. Will do that. Thanks. -- tejun