From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [RFC] MMC-4.5 Context ID Date: Sat, 04 Feb 2012 21:45:18 -0500 Message-ID: References: <1328110021-15199-1-git-send-email-saugata.das@stericsson.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:52862 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754609Ab2BECp1 (ORCPT ); Sat, 4 Feb 2012 21:45:27 -0500 In-Reply-To: <1328110021-15199-1-git-send-email-saugata.das@stericsson.com> (Saugata Das's message of "Wed, 1 Feb 2012 20:57:01 +0530") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Saugata Das Cc: linux-mmc@vger.kernel.org Hi, On Wed, Feb 01 2012, Saugata Das wrote: > From: Saugata Das > > This patch groups the read or write transfers to eMMC in different contexts > based on the block number. Transfers to consecutive blocks are grouped to a > common context. So several small transfers combine to give performance like > a large multi block transfer. > > The patch creates a context of 1MB multiple in non-large unit mode. Reliable > mode is enabled in the context based on whether reliable write is enabled. Do you see any performance changes with this patchset? If so, can you give details? Thanks, - Chris. -- Chris Ball One Laptop Per Child