From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f47.google.com ([74.125.83.47]:41087 "EHLO mail-ee0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750951AbaAGLGJ (ORCPT ); Tue, 7 Jan 2014 06:06:09 -0500 Date: Tue, 7 Jan 2014 12:06:05 +0100 From: Andrea Mazzoleni To: joystick Cc: Andrea Mazzoleni , linux-raid@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: Re: [RFC v2 0/2] New RAID library supporting up to six parities Message-ID: <20140107110605.GC16044@gmail.com> References: <1389000716-3274-1-git-send-email-amadvance@gmail.com> <52CA9A97.4000803@shiftmail.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <52CA9A97.4000803@shiftmail.org> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 01/06, joystick wrote: > Just by looking at the Subjects, it seems patch number 0/1 is > missing. It might have not gotten through to the lists, or be a > numbering mistake. The patch files can be also downloaded from: http://snapraid.sourceforge.net/linux/v2/ Sorry about that, > Does your code also support (shortcut) RMW as opposed to RCW, for > all parities? At now no. But it can be easily extended to add the parity computation of a single disk in a set of already computed parities and then provide the required support for RMW. With SSSE3 this can be implemented in a very efficient way. Ciao, Andrea