JFFS2 Format Documentation?

[David Woodhouse]

phil at river-bank.demon.co.uk said:
>  I need to modify a bootloader to load the kernel from a JFFS2
> filesystem - so  a simple read is all that is needed. Unfortunately
> the bootloader doesn't  have a license that is compatible with the
> GPL.

Which bootloader, which licence?

Note http://sources.redhat.com/jffs2/jffs2-licence.html makes it more like 
the LGPL than GPL.

--
dwmw2