[U-Boot] [PATCH 2/9] UBIFS: Implement read-only UBIFS support in U-Boot (Part 1)

Stefan Roese sr at denx.de
Thu Feb 26 13:34:29 CET 2009


On Thursday 26 February 2009, Artem Bityutskiy wrote:
> > The U-Boot UBIFS implementation is largely a direct copy from the current
> > Linux version (2.6.29-rc6). As already done in the UBI version we have an
> > "abstraction layer" to redefine or remove some OS calls (e.g.
> > mutex_lock() ...). This makes it possible to use the original Linux code
> > with very little changes. And by this we can better update to later Linux
> > versions.
>
> Well, this is not abstraction layer, we just thought that at some point
> we'd have more fine-grained locking, so we wrapped the LPT mutex :-)
>
> Also, you could probably remove a lot of code related to writing, if you
> wanted. E.g., whole garbage collecting, committing, synching stuff, and
> so on.

Yes, sure. I already removed a lot of code. It would be great if you could 
point me to some parts of the code that could be removed as well. Could be 
that I overlooked some things.

Thanks.

Best regards,
Stefan


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