From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268984AbUJKNvM (ORCPT ); Mon, 11 Oct 2004 09:51:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268981AbUJKNvL (ORCPT ); Mon, 11 Oct 2004 09:51:11 -0400 Received: from a26.t1.student.liu.se ([130.236.221.26]:35265 "EHLO mail.drzeus.cx") by vger.kernel.org with ESMTP id S268959AbUJKNtW (ORCPT ); Mon, 11 Oct 2004 09:49:22 -0400 Message-ID: <416A8F5F.6000000@drzeus.cx> Date: Mon, 11 Oct 2004 15:49:19 +0200 From: Pierre Ossman User-Agent: Mozilla Thunderbird 0.8 (X11/20040919) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Russell King CC: LKML Subject: Re: MMC performance References: <416A68E5.6080608@drzeus.cx> <20041011131919.B19175@flint.arm.linux.org.uk> In-Reply-To: <20041011131919.B19175@flint.arm.linux.org.uk> X-Enigmail-Version: 0.84.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Russell King wrote: >Only if you can reliably know how many bytes you've tranferred when >an error occurs. Without that, the only safe way to do a write is >sector by sector. > > > What would happen if we failed the entire request? Rewriting a few sectors is harmless. Or will it break in more exotic ways? Rgds Pierre