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Date: Fri, 25 Sep 2015 09:30:23 +0200
From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: "Bean Huo =?UTF-8?B?6ZyN5paM5paM?= (beanhuo)" <beanhuo@micron.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
 "computersforpeace@gmail.com" <computersforpeace@gmail.com>, Stefan Roese
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 "shuangshuo@gmail.com" <shuangshuo@gmail.com>, "rnd4@dave-tech.it"
 <rnd4@dave-tech.it>, "dwmw2@infradead.org" <dwmw2@infradead.org>
Subject: Re: UBI/UBIFS: dealing with MLC's paired pages
Message-ID: <20150925093023.113ceeb1@bbrezillon>
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Hi,

On Fri, 25 Sep 2015 00:43:37 +0000
Bean Huo =E9=9C=8D=E6=96=8C=E6=96=8C (beanhuo) <beanhuo@micron.com> wrote:

> > And 3:
> > Only NAND provides an OOB area. Other flash devices like parallel
> > or SPI NOR don't. And we definitely want to continue supporting
> > platforms with such flash devices and UBI (and UBIFS).
> >=20
> > Thanks,
> > Stefan
> >=20
> For MLC NAND paired pages issue, we have developed two methods to solve i=
t in UBI layer,
> We hope that every expert on UBI/UBIFS can give more suggestions about ho=
w to improve and perfect it.
> I think ,this week, I can submit first solution patch out. Currently do c=
oding style.

Are you referring to the suggestion proposed by Karl (using the OOB
area to store UBI metadata), or is this something else?

Best Regards,

Boris

--=20
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com