Re: [PATCH 2/6] UBI: Fastmap: Ensure that only one fastmap work is scheduled

[Artem Bityutskiy]

On Mon, 2014-11-24 at 14:20 +0100, Richard Weinberger wrote:
> If the WL pool runs out of PEBs we schedule a fastmap write
> to refill it as soon as possible.
> Ensure that only one at a time is scheduled otherwise we might end in
> a fastmap write storm because writing the fastmap can schedule another
> write if bitflips are detected.

Could you please provide some more details about the "write storm". Does
it happen when there are 2 fastmap works in the queue? Or if they run
simultaneously? Why the storm happens and white kind of "writes" it
consists of?

Thanks!

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/