[PATCH] [MTD] [UBI] add block device layer on top of UBI

[Nancy]

> could you please send patches inline? It is what people normally do
> and it is easier to reply and comment the patches this way.

   OK, next time I will try.

> Also, I do not think we need this common "blktrans" module for UBI at
> all, it just does not seem to make much sense.

   How gonna you do to support VFAT ? In embended system world, this
function is  very important.

--
Best wishes,
Nancy