MLC Support in JFFS2

Amul Kumar Saha amul.saha at samsung.com
Fri Apr 9 05:21:25 EDT 2010


Hi,


>Ok,
>but at the remount how do you verify if the TOKEN_BLOCK
>is updated or not (in case of power loss) ? I suggest using
>a commit mark (one page wasted) at the end of the update
>procedure.
>So you'll have in the TOKEN_BLOCK the following layout:
>
>MAGIC_NUMBER of the TOKEN_BLOCK
>ready_to_use info
>commit mark
>
>What do you think ?
>

Yes.
However, the TOKEN_BLOCK update would then
only be limited to mount and unmount.
As writing a commit mark while the system is still running,
would validate an invalid block on abrupt power-off.

Regards,
Amul 





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