From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751959AbXDDVzd (ORCPT ); Wed, 4 Apr 2007 17:55:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752016AbXDDVzd (ORCPT ); Wed, 4 Apr 2007 17:55:33 -0400 Received: from smtp.knology.net ([24.214.63.101]:50541 "EHLO smtp.knology.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751959AbXDDVzc (ORCPT ); Wed, 4 Apr 2007 17:55:32 -0400 Subject: Re: plain 2.6.21-rc5 (1) vs amanda (0) From: Dave Dillow To: Andrew Morton Cc: Ingo Molnar , Gene Heskett , linux-kernel@vger.kernel.org, ray-gmail@madrabbit.org, amanda-hackers@amanda.org, amanda-users@amanda.org In-Reply-To: <20070404132949.f6fbca9f.akpm@linux-foundation.org> References: <200704010100.19016.gene.heskett@verizon.net> <2c0942db0704010033r61f967c3y7d05e3ec0a9f6931@mail.gmail.com> <200704011141.53105.gene.heskett@verizon.net> <200704020021.02393.gene.heskett@gmail.com> <1175488272.3161.28.camel@obelisk.thedillows.org> <1175661256.31439.23.camel@obelisk.thedillows.org> <20070404084530.GB1556@elte.hu> <20070404104219.40e25b6a.akpm@linux-foundation.org> <1175710634.27756.40.camel@dillow.idleaire.net> <20070404132949.f6fbca9f.akpm@linux-foundation.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 04 Apr 2007 17:55:28 -0400 Message-Id: <1175723728.6274.2.camel@obelisk.thedillows.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-1.fc6) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2007-04-04 at 13:29 -0700, Andrew Morton wrote: > On Wed, 04 Apr 2007 14:17:13 -0400 > Dave Dillow wrote: > > The thing is, it's been broken for a long time -- this change just > > highlighted it. This isn't the first time that device-mapper has moved > > -- the introduction of mdp (before git, so haven't tracked down > > timeframe) also moved it around. The dynamic major is not stable, so > > should we be concerned if it moves for 2.6.21? > > > > I don't like the effect it has on the backups, but I don't think we > > should hand out LOCAL/EXP majors to dynamic devices, either. There is a > > module option to make the device-mapper and mdp majors stable, so > > perhaps a compromise is possible? Revert for 2.6.21, and schedule the > > patch for later addition, which gives distros time to use the DM major > > option? > > hm, good points. > > Overall, the patch helps kernel developers and hurts the userbase. I tend > to prefer to hurt kernel developers than our users ;) > > I don't think the protect-lanana-numbers thing is very important, really. > If some kernel developer or someone who is maintaining an unofficial > out-of-tree driver hits the problem, they are presumably able to handle > it. Preferably by switching to a dynamically-assigned major. Works for me; I don't really have a dog in the fight.