determining if a block erasure failed
Artem Bityutskiy
dedekind1 at gmail.com
Tue May 15 08:22:48 EDT 2012
On Tue, 2012-05-15 at 13:56 +0200, Joel Reardon wrote:
> Ah yes, if wl_wrk is freed in schedule_erase, theres no way to pass it
> back that way.
>
> The reason is that, if erasing a block of keys fails, then those keys may
> remain on the flash device for eternity. While a rare occurance, it may be
> nice to have ubifs perform GC on all main LEBs storing the data nodes that
> can no longer be deleted through key erasure / reencrypt the valid data
> nodes.
Erasure is asynchronous and I do not see an good way to implement your
idea. Do you have a good plan?
--
Best Regards,
Artem Bityutskiy
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