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Subject: Re: UBIFS partition on NOR flash not mountable after power cut test
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Norbert van Bolhuis <nvbolhuis@aimvalley.nl>
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Date: Thu, 02 Dec 2010 05:51:39 +0200
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On Tue, 2010-11-30 at 11:41 +0100, Norbert van Bolhuis wrote:
> Did you read the mail discussions
> "UBIFS Corrupt during power failure"
> dated april 2009 from Eric Holmberg.
> 
> He did some great work in making UBIFS on NOR flash
> more reliable for power-cuts.
> 
> One of the problems was UBI/UBIFS assumes a (CFI) write
> buffer size of 8 bytes. Maybe this is still the case.
> I think for your NOR flash it is 64 bytes though.

Would be nice if someone exposed this write buffer size in struct
mtd_info, then UBI/UBIFS could just use it.

-- 
Best Regards,
Artem Bityutskiy (Битюцкий Артём)