[PATCH v3 0/6] NAND BBM + BBT updates

Brian Norris computersforpeace at gmail.com
Wed Jan 18 17:18:40 EST 2012


On Fri, Jan 13, 2012 at 2:36 PM, Artem Bityutskiy <dedekind1 at gmail.com> wrote:
> On Thu, 2012-01-12 at 10:09 +0100, Sebastian Andrzej Siewior wrote:
>>  Because I
>> was thinking about putting in UBI and deal with it there sice it should
>> not lose data.
>
> :-) BTW, with current unresolved unstable bits problem I do not
> recommend to use UBI/UBIFS if you need high power cut tolerance.

Also, we cannot reasonably offload all of bad block marking to
UBI(FS), since there are other filesystems/modules/etc. that rely on
the MTD/NAND layer to properly handle bad blocks. If this is moved up
to the filesystem, we miss out on benefits for other layers.

Brian



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