[PATCH] [RFC] UBI: Implement Fastmap support

[Richard Weinberger]

On 24.05.2012 10:19, Artem Bityutskiy wrote:
>> After thinking a bit more about this case I think the best we can to
>> is
>> switching to read-only mode if ubi_update_fastmap()
>> fails.
>>
> Unless it fails because of -EIO, which means the PEB may become bad and
> you need to pick a different one and schedule the faulty one for
> torturing and marking as bad.

Wouldn't make more sense if ubi_update_fastmap() handles the -EIO case 
internally?

Currently (as of v7) both callers ubi_volume_notify() and 
ubi_wl_get_peb() check the return value of ubi_update_fastmap()
and set UBI into read-only mode if ubi_update_fastmap() fails.

Thanks,
//richard