You could potentially do this, but yaffs is designed for NAND, not mmc, and 
you'd need to provide some page access driver.

Alignment could be addressed by using "inband tags".

-- CHarles


On Thursday 27 August 2009 00:06:21 Mike Mimic wrote:
> Hi!
>
> I am searching for a Linux filesystem for use on a SD memory card (mmc
> device) and I am wondering if yaffs2 can be used on a mmc (and not mtd)
> device? I know that mmc devices do not allow direct access to flash and SD
> memory cards already do internal wear leveling but I still think that
> yaffs2 ECC feature would be useful on it as it is still flash storage and I
> would like additional ECC on a filesystem level. Is this possible? To store
> chunk + ECC data on a mcc device? This will probably then be misaligned
> with underlying flash blocks?
>
> And what is maximum partition size yaffs2 currently supports?
>
>
> Mike
>
>
>
>
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