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 1ZfOTa-0001AF-3s for linux-mtd@lists.infradead.org; Fri, 25 Sep 2015 08:35:31 +0000 Subject: Re: UBI/UBIFS: dealing with MLC's paired pages To: =?UTF-8?B?QmVhbiBIdW8g6ZyN5paM5paMIChiZWFuaHVvKQ==?= , Boris Brezillon References: <20150925093023.113ceeb1@bbrezillon> Cc: "linux-mtd@lists.infradead.org" , "computersforpeace@gmail.com" , Stefan Roese , Iwo Mergler , "Jeff Lauruhn (jlauruhn)" , "dedekind1@gmail.com" , "shuangshuo@gmail.com" , "rnd4@dave-tech.it" , "dwmw2@infradead.org" , =?UTF-8?B?S2FybCBaaGFuZyDlvKDlj4zplKMgKGthcmx6aGFuZyk=?= From: Richard Weinberger Message-ID: <56050734.1000901@nod.at> Date: Fri, 25 Sep 2015 10:35:00 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Am 25.09.2015 um 10:25 schrieb Bean Huo 霍斌斌 (beanhuo): > For NAND OOB area, it is dedicated for ECC value, at the same time, > User available area in OOB is not covered by ECC protection mechanism. > so saving EC or VID information in OOB is not a perfect solution. > But if there is additional space, and this space can be covered by ECC, > We can try it. As I said, I'm *really* against using OOB and see it as the absolutely last choice. > By the way, I want to allocate a new internal volume to solve paired pages issue. > How do you think about this ? More details please. :) Adding a new internal volume to UBI is not a big deal. Thanks, //richard