From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752442AbbJBK2x (ORCPT ); Fri, 2 Oct 2015 06:28:53 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:11949 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752265AbbJBK2j (ORCPT ); Fri, 2 Oct 2015 06:28:39 -0400 Subject: Re: [PATCH 0/9] drivers:mtd:UBI: add bakvol module for MLC NAND paired page issue To: =?UTF-8?B?QmVhbiBIdW8g6ZyN5paM5paMIChiZWFuaHVvKQ==?= , "dedekind1@gmail.com" , "adrian.hunter@intel.com" , "computersforpeace@gmail.com" , "baruch@tkos.co.il" , "asierra@xes-inc.com" , "guz.fnst@cn.fujitsu.com" , "gsi@denx.de" , Boris Brezillon References: <560A59B8.4000701@nod.at> <560B8758.7010002@nod.at> Cc: David Woodhouse , "linux-mtd@lists.infradead.org" , =?UTF-8?B?RnJhbmsgTGl1IOWImOe+pCAoZnJhbmtsaXUp?= , Andrea Scian , =?UTF-8?B?S2FybCBaaGFuZyDlvKDlj4zplKMgKGthcmx6aGFuZyk=?= , Iwo Mergler , "Jeff Lauruhn (jlauruhn)" , Stefan Roese , "linux-kernel@vger.kernel.org" From: Richard Weinberger X-Enigmail-Draft-Status: N1110 Message-ID: <560E5C51.5000900@nod.at> Date: Fri, 2 Oct 2015 12:28:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <560B8758.7010002@nod.at> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bean, Am 30.09.2015 um 08:55 schrieb Richard Weinberger: >> By the way, Do you review my patches series ? I don't backup duplicated data in OOB . >> Can you specify which sector codes ? so that I can explain it in detail. > > Okay. Maybe both Boris and I misread your code, can you please explain in detail > what functions like check_original_data() or mtd_write_dual_plane_oob() do? Care to explain? Maybe we can find a solution without OOB. Boris proposed already some very promising ideas: http://comments.gmane.org/gmane.linux.drivers.mtd/61658 BTW: Will you be at Embedded Linuxcon Europe in Dublin? Many MTD guys, including me, will be there. Maybe we can discuss the problem in a nice pub, first round is on me. :-) Thanks, //richard