Re: [Yaffs] yaffs filesystem on 8k page nand device!!!

Hi All,

i have another question

If MTD tells the page size as 8K to the YAFFS, then YAFFS generate the
8K page aligned to/from addresses.
Here i am not understanding how do i handle the 8K page read/write
request on two physically separate NAND 4K page flash devices? ( I am
assuming i have 8K page device virtually by combining 2 4K devices )

If my driver accept the 8K page read/write request, then it try to
write the 4K size data into one NAND flash
and remaining 4K size data into another NAND flash.But ultimately i am
not writing anything to the next 4K on any
of the NAND flash device, so waste would be 8K bytes.

If the another page read/write request comes that address aligned to
8K page size again.

In this case how do i read/write 8K page request from the YAFFS!!!

Thanks

On Tue, Dec 1, 2009 at 6:55 PM, Murali N <nalajala.murali@gmail.com> wrote:
> Hi All,
> I am implementing the interleave feature using two 4K page NAND
> devices.I have few questions like
>    1) Did any one try the YAFFS file system on 8K page nand devices (
> this is simulating 8k using two 4K devices )?
>    2) Does yaffs2 handle the 8K page request from MTD driver as a
> normal page size requests like 4K & 2K?
>    3) Do i need to takecare anything additionally while enabling the
> 8K page request!!!
>
> Thanks & Regards
> murali N
>



--
Regards,
Murali N