Re: how to use jff2 on UBI layer?

Jörn Engel
2006-07-24T11:40:40Z

On Mon, 24 July 2006 14:46:08 +0400, Artem B. Bityutskiy wrote:
> On Thu, 2006-07-20 at 11:45 +0200, Jörn Engel wrote:
> > As of now, it is impossible, sorry. UBI exports an interface
> > completely different from MTD, so JFFS2 cannot work on UBI. What I
> > used was a glue layer, called gluebi, that converts the UBI interface
> > into an MTD interface. But in its current form, that is still
> > unacceptable, so I'm working on changing the code.
>
> IMO, it would be much saner to do the following:
>
> Change JFFS2 and introduce I/O abstraction to it. E.g., add an io.c file
> with basic I/O functions like
> jffs2_read()/jffs2_write()/jffs2_point()/jffs2_erase(). Then you could
> add different I/O back-ends, like UBI. Note, even now we already have 2
> I/O back-ends: MTD and eCos. Then it would be a matter of adding one
> more I/O back-end - UBI.

Feel free to send a patch.

Jörn

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