Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756894AbZCRXqf (ORCPT ); Wed, 18 Mar 2009 19:46:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752280AbZCRXqX (ORCPT ); Wed, 18 Mar 2009 19:46:23 -0400 Received: from one.firstfloor.org ([213.235.205.2]:39395 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752192AbZCRXqX (ORCPT ); Wed, 18 Mar 2009 19:46:23 -0400 To: Dan Williams Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, neilb@suse.de, maciej.sosnowski@intel.com Subject: Re: [PATCH 00/13] Asynchronous raid6 acceleration (part 1 of 2) From: Andi Kleen References: <20090318191248.20375.40560.stgit@dwillia2-linux.ch.intel.com> Date: Thu, 19 Mar 2009 00:43:39 +0100 In-Reply-To: <20090318191248.20375.40560.stgit@dwillia2-linux.ch.intel.com> (Dan Williams's message of "Wed, 18 Mar 2009 12:20:16 -0700") Message-ID: <87ljr21jo4.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 21 Dan Williams writes: > This series constitutes the pieces of the raid6 acceleration work that are > aimed at the next merge window. It implements: > 1/ An api for asynchronous raid6 parity generation and recovery routines Could you please comment a bit how well the default load balancing works. If I write a single stream from a single CPU will it use multiple CPU cores in the system to do the RAID6 work? Thanks, -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/