JFFS2 eraseblock header

[Artem B. Bityuckiy]

Ferenc Havasi wrote:
> I think if we do this change it would be better to forget old JFFS2 
> binaries. If not that makes things even more complicated.
Ugh, this is very much undesirable. And I hope it is not very difficult 
to support this. Just assume the version of old JFFS2 images = 1, and 
depending on the version, choose the algorithms... Let's at least try.

I would also like to hear David's coments...

-- 
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.