>> Has anyone ever looked at using LZO or similar compression within YAFFS
>> to reduce the amount of data written?
> 
> This is something we talked about in very early YAFFS days. There are
> some pros and cons.
> 
> Pros: Less writes, more stored.
> Cons: Really bad for any form of overwrite (one of the main reasons
> JFFS2 does not support memory mapped writing).
> 
> You can get some of the Pros by storing compressed files (eg. vai loop
> mounting).

Hi Charles,
Do you know if this means that UBIFS doesn't support mmap'd IO?

Regards,
Andre


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