From: Artem Bityutskiy <dedekind1@gmail.com>
To: J Barlow <jbarlow@ivl.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: What if the UBI flasher can't skip all-FF pages?
Date: Tue, 18 Jan 2011 10:56:54 +0200 [thread overview]
Message-ID: <1295341014.2470.81.camel@koala> (raw)
In-Reply-To: <loom.20110110T205414-506@post.gmane.org>
On Mon, 2011-01-10 at 22:47 +0000, J Barlow wrote:
> Hi everyone,
>
> I am developing an embedded system with a NAND flash. We're intending to
> program all of the NAND flashes in a factory programmer. I've read "how the UBI
> flash should work" and I suspect that the UBI flasher doesn't work that way.
> Specifically, I'm pretty sure it doesn't know how to skip pages containing only
> FFs. Unfortunately, the flasher's software is proprietary, not to mention only
> available in Chinese. It might well work as expected, but testing this would
> also be difficult and expensive since the flasher is in a factory in China.
>
> I believe that UBIFS is doing the right thing. I blame the flasher, but I don't
> think I can do anything about it.
But yes, UBI/UBIFS stack could do better job in this respect, but I do
not have time to implement this. But it you wish to do this - I can only
help you by suggestions.
--
Best Regards,
Artem Bityutskiy (Битюцкий Артём)
prev parent reply other threads:[~2011-01-18 8:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-10 22:47 What if the UBI flasher can't skip all-FF pages? J Barlow
2011-01-11 9:35 ` Artem Bityutskiy
2011-01-13 22:23 ` J Barlow
2011-01-14 5:45 ` Jon Povey
2011-01-18 8:56 ` Artem Bityutskiy
2011-01-18 8:56 ` Artem Bityutskiy [this message]
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