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Subject: Re: [RFC PATCH] UBIFS: remove check for all(0xff) for empty pages
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Matthieu CASTET <matthieu.castet@parrot.com>
Date: Tue, 11 Mar 2014 15:06:27 +0200
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Cc: Kent Li <Kent.Li@radisys.com>, Stefan Roese <sr@denx.de>,
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 linux-mtd <linux-mtd@lists.infradead.org>, Pekon Gupta <pekon@ti.com>,
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On Tue, 2014-03-11 at 13:21 +0100, Matthieu CASTET wrote:
> I think this is not true with MLC flash that Pekon want to handle.

Correct. But this is a different issue. Let's not confuse ourselves and
not mix them. Right now we are discussing bit-flips in the empty space.
We are not discussing MLC issues.

> There is the paired page problem [1] and the power cut corruption can
> happen in more than one page.

That's right. But this is another issue: UBIFS was not designed for MLC.
This can also be fixed, but this is a completely separate activity.

-- 
Best Regards,
Artem Bityutskiy