UBI: Race between fastmap_write and wear_leveling_worker

[Anders Olofsson]

On 2016-08-24 17:04, Richard Weinberger wrote:
> Anders,
>
> On Wed, Aug 24, 2016 at 1:37 PM, Anders Olofsson <pingu at mazeda.se> wrote:
>> After enabling fastmap I sometimes get the following warning at boot:
>>
>
> Hehe, you're lucky I've recently fixed an issue in this area, can you
> please try:
> http://lists.infradead.org/pipermail/linux-mtd/2016-August/068919.html
>
> I did these fixes on top of an rather old customer kernel and started
> upstreaming
> them.
>

Tested it and from what I can tell it solves my problem as well. I've 
run a bunch of reboots and the wear leveling worker no longer runs while 
the fastmap is being updated.

Good work and thanks a lot for solving it so quickly.