Re: [PATCHSET v3][RFC] Make background writeback not suck

[Jens Axboe]

On 03/31/2016 09:29 PM, Jens Axboe wrote:
> > I'm not changing the host kernels - it's a production machine and so
> > it runs long uptime testing of stable kernels.  (e.g. catch slow
> > memory leaks, etc). So if you've disabled throttling in the guest, I
> > can't test the throttling changes.
>
> Right, that'd definitely hide the problem for you. I'll see if I can get
> it in a reproducible state and take it from there.

Though on the guest, if you could try with just this one applied:

http://git.kernel.dk/cgit/linux-block/commit/?h=wb-buf-throttle&id=f21fb0e42c7347bd639a17341dcd3f72c1a30d29

I'd appreciate it. It won't disable the throttling in the guest, just 
treat META and PRIO a bit differently.

--
Jens Axboe