From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from a.ns.miles-group.at ([95.130.255.143] helo=radon.swed.at) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZhxaH-0000iD-Jn for linux-mtd@lists.infradead.org; Fri, 02 Oct 2015 10:29:03 +0000 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 Message-ID: <560E5C51.5000900@nod.at> Date: Fri, 2 Oct 2015 12:28:33 +0200 MIME-Version: 1.0 In-Reply-To: <560B8758.7010002@nod.at> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 8bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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