From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Mauelshagen Subject: Re: [PATCH v2 1/1] dm-raid45 Date: Wed, 09 Dec 2009 18:43:26 +0100 Message-ID: <1260380606.9639.95.camel@o> References: <1259243112-28175-1-git-send-email-heinzm@redhat.com> <20091209104309.GA8262@infradead.org> Reply-To: heinzm@redhat.com, device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091209104309.GA8262@infradead.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Christoph Hellwig Cc: linux-raid , Dan Williams , device-mapper development List-Id: linux-raid.ids Please don't forget the point about 3rd party tests of the xor optimization in dm-reaid45 vs. the crypto one. I want that to be tested in order to prove, if we got an advantage over the crypto implementation or not. Heinz On Wed, 2009-12-09 at 05:43 -0500, Christoph Hellwig wrote: > On Tue, Dec 08, 2009 at 05:38:06PM -0700, Dan Williams wrote: > > Where did the investigation of reusing md/raid5.c [1] end up? This > > would simultaneously enable hardware accelerated raid6 for dmraid. > > Yes, adding different raid code to dm is a bad idea, even more so after > Neil showed a useful prototype of reusing the md code. >