Some news for this: [PATCH] [MTD] BLOCK_RO: Readonly Block Device Layer Over MTD ?

[Artem Bityutskiy]

On Fri, 2007-11-23 at 08:42 +0100, Ricard Wanderlof wrote:
> In the case of mtd, it would seem that this should be done by JFFS2, or if 
> some intermediate layer is used like UBI, by that layer. As far as I know 
> though, currently no scrubbing is done by either?

And yes, JFFS2 does not do this.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)