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From: Richard Weinberger <richard@nod.at>
To: "Karl Zhang 张双锣 (karlzhang)" <karlzhang@micron.com>,
	"Andrea Scian" <rnd4@dave-tech.it>,
	"dedekind1@gmail.com" <dedekind1@gmail.com>,
	"Boris Brezillon" <boris.brezillon@free-electrons.com>
Cc: "Iwo Mergler" <Iwo.Mergler@netcommwireless.com>,
	"Jeff Lauruhn (jlauruhn)" <jlauruhn@micron.com>,
	"Qi Wang 王起 (qiwang)" <qiwang@micron.com>,
	"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	"Brian Norris" <computersforpeace@gmail.com>,
	"David Woodhouse" <dwmw2@infradead.org>,
	"shuangshuo@gmail.com" <shuangshuo@gmail.com>
Subject: Re: UBI/UBIFS: dealing with MLC's paired pages
Date: Thu, 24 Sep 2015 08:31:22 +0200	[thread overview]
Message-ID: <560398BA.4040604@nod.at> (raw)
In-Reply-To: <D067BF0533BDBE4F821CF557AAAE78443B96AA67@NTXXIAMBX01.xacn.micron.com>

Hi!

Am 24.09.2015 um 03:57 schrieb Karl Zhang 张双锣 (karlzhang):
> 	We are developing another solution to store VID info into other page's OOB area in its own block, because UBI does not 
> 	use OOB and ECC code always not use all OOB area. 

sorry, I really detest this idea. Not using the OOB area is one of the design principles behind UBI.
We've have learned from JFFS and YAFFS that using OOB is problematic.
I'd give it up only if nothing else is applicable.

Thanks,
//richard

  reply	other threads:[~2015-09-24  6:31 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-17 13:22 UBI/UBIFS: dealing with MLC's paired pages Boris Brezillon
2015-09-17 15:20 ` Artem Bityutskiy
2015-09-17 15:46   ` Boris Brezillon
2015-09-17 16:47     ` Richard Weinberger
2015-09-18  7:17       ` Andrea Scian
2015-09-18  7:41         ` Boris Brezillon
2015-09-18  7:54         ` Artem Bityutskiy
2015-09-18  7:57           ` Bityutskiy, Artem
2015-09-18  9:38           ` Andrea Scian
2015-09-24  1:57             ` Karl Zhang 张双锣 (karlzhang)
2015-09-24  6:31               ` Richard Weinberger [this message]
2015-09-24  7:43               ` Boris Brezillon
2015-09-24  9:44                 ` Stefan Roese
2015-09-29 11:19 ` Richard Weinberger
2015-09-29 12:51   ` Boris Brezillon
2015-10-23  8:14 ` Boris Brezillon
2015-10-27 20:16   ` Richard Weinberger
2015-10-28  9:24     ` Boris Brezillon
2015-10-28 10:44       ` Michal Suchanek
2015-10-28 11:14         ` Boris Brezillon
2015-10-28 15:50           ` Michal Suchanek
2015-10-28 12:24   ` Artem Bityutskiy
2015-10-30  8:15     ` Boris Brezillon
2015-10-30  8:21       ` Boris Brezillon
2015-10-30  8:50       ` Bean Huo 霍斌斌 (beanhuo)
2015-10-30  9:08       ` Artem Bityutskiy
2015-10-30  9:45         ` Boris Brezillon
2015-10-30 10:09           ` Artem Bityutskiy
2015-10-30 11:49             ` Michal Suchanek
2015-10-30 12:47               ` Artem Bityutskiy
2015-10-30 11:43           ` Artem Bityutskiy
2015-10-30 11:59             ` Richard Weinberger
2015-10-30 12:29               ` Artem Bityutskiy
2015-10-30 12:31                 ` Bityutskiy, Artem
2015-10-30 12:30             ` Boris Brezillon
2015-10-30 12:41               ` Artem Bityutskiy
2015-10-28 12:06 ` Artem Bityutskiy
     [not found] <A765B125120D1346A63912DDE6D8B6310BF4CAA8@NTXXIAMBX02.xacn.micron.com>
2015-09-25  7:30 ` Boris Brezillon
2015-09-25  8:25   ` Bean Huo 霍斌斌 (beanhuo)
2015-09-25  8:35     ` Richard Weinberger
2015-09-25  8:48     ` Boris Brezillon
2015-09-25  8:30   ` Karl Zhang 张双锣 (karlzhang)
2015-09-25  8:56     ` Boris Brezillon

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