Re: Support of removable MTD devices and other advanced features (follow-up from lkml)

Jörn Engel
2008-05-24T17:57:05Z

On Sat, 24 May 2008 06:12:23 -0700, Alex Dubov wrote:
>
> Do UBI and JFFS always operate in terms of whole eraseblocks or they may
> attempt partial block writes? Different flash chips have different
> capabilities in regard to writing and this can be used to some advantage.

Writes happen in multiples of mtd->writesize. Which for NAND is
pagesize. There are also special cases with subpage writes. AFAIK only
UBI exploits that feature.

Jörn

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Joern's library part 15: