Re: [PATCH 00/22 take 3] UBI: Unsorted Block Images

Artem Bityutskiy
2007-03-21T11:42:48Z

On Wed, 2007-03-21 at 12:25 +0100, Thomas Gleixner wrote:
> Last time I talked to you about that, you said it would be possible and
> fixable. We talked about several mechanisms, which would allow a
> filesystem or other users to hint such things to UBI.
>
> Even if the LogFS wear levelling is so superior, it CAN'T do across
> device wear levelling.

Exactly. Although it is true that it cannot be _as good_ as FS, one can
optimize this by means of asking FS beforehand and make it quite OK. And
eraseblock movement is not so frequent event - we do it only once the
erase counter difference is more then 4Ki (although it is tunable).

--
Best regards,
Artem Bityutskiy (Битюцкий Артём)