From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161100AbWASA2N (ORCPT ); Wed, 18 Jan 2006 19:28:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161098AbWASA2N (ORCPT ); Wed, 18 Jan 2006 19:28:13 -0500 Received: from mx1.suse.de ([195.135.220.2]:34962 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1161096AbWASA2M (ORCPT ); Wed, 18 Jan 2006 19:28:12 -0500 From: Neil Brown To: Kyle Moffett Date: Thu, 19 Jan 2006 11:28:05 +1100 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17358.56597.418773.34768@cse.unsw.edu.au> Cc: Michael Tokarev , sander@humilis.net, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, "Steinar H. Gunderson" Subject: Re: [PATCH 000 of 5] md: Introduction In-Reply-To: message from Kyle Moffett on Tuesday January 17 References: <20060117174531.27739.patches@notabene> <43CCA80B.4020603@tls.msk.ru> <20060117095019.GA27262@localhost.localdomain> <43CCD453.9070900@tls.msk.ru> X-Mailer: VM 7.19 under Emacs 21.4.1 X-face: v[Gw_3E*Gng}4rRrKRYotwlE?.2|**#s9D On Jan 17, 2006, at 06:26, Michael Tokarev wrote: > > This is about code complexity/bloat. It's already complex enouth. > > I rely on the stability of the linux softraid subsystem, and want > > it to be reliable. Adding more features, especially non-trivial > > ones, does not buy you bugfree raid subsystem, just the opposite: > > it will have more chances to crash, to eat your data etc, and will > > be harder in finding/fixing bugs. > > What part of: "You will need to enable the experimental > MD_RAID5_RESHAPE config option for this to work." isn't bvious? If > you don't want this feature, either don't turn on > CONFIG_MD_RAID5_RESHAPE, or don't use the raid5 mdadm reshaping > command. This isn't really a fair comment. CONFIG_MD_RAID5_RESHAPE just enables the code. All the code is included whether this config option is set or not. So if code-bloat were an issue, the config option wouldn't answer it. NeilBrown