[RFC] [PATCH] UBI: refine wear leveling logic

[Artem Bityutskiy]

Alexander Schmidt wrote:
> While writing this i assumed that erase and WL procedures are performed
> sequentially (either by the background thread or, if the bgt is disabled,
> by the produce_free_peb() function). Thank to your comment below I now
> realised that erase/wl procedures could happen concurrently if the free
> tree is empty and there are pending works (this is the only way that
> could lead to your error scenario, right?).

Yes, kind of.

> If so then i propose to make get_peb() wait until the bgt produces a free
> peb and not mix synchronous/asynchronous operations, as this would make
> the code easier, IMO.

It already does this AFAIK.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)