From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [PATCH 2/2] SD/MMC: add support of adjust bounce size at run-time Date: Thu, 01 Dec 2011 13:37:36 -0500 Message-ID: <877h2gkuj3.fsf@laptop.org> References: <1322103977-7155-1-git-send-email-b32616@freescale.com> <1322103977-7155-2-git-send-email-b32616@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:56754 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755747Ab1LASh3 (ORCPT ); Thu, 1 Dec 2011 13:37:29 -0500 In-Reply-To: <1322103977-7155-2-git-send-email-b32616@freescale.com> (Qiang Liu's message of "Thu, 24 Nov 2011 11:06:17 +0800") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Qiang Liu Cc: linux-mmc@vger.kernel.org, leoli@freescale.com Hi, On Wed, Nov 23 2011, Qiang Liu wrote: > Add bounce_size under /sys/block/mmcblk0/bouncesz. > Support dynamic adjustment of bounce buffer in run-time (include mounted or > unmounted filesystem). > > /sys/block/mmcblk0/bouncesz should be integer multiple of 512, the > value should be range from 4096 to 4194304. > > Signed-off-by: Qiang Liu Thanks; please add some documentation on this feature to: Documentation/mmc/mmc-dev-attrs.txt - Chris. -- Chris Ball One Laptop Per Child