Re: [Qemu-devel] [PATCH v3] block: Switch to host monotonic clock for IO throttling

[Fam Zheng <famz@redhat.com>]

On Wed, 03/25 08:16, Alberto Garcia wrote:
> On Wed, Mar 25, 2015 at 10:42:32AM +0800, Fam Zheng wrote:
> 
> > Block jobs are confusingly inconsistent between with and without
> > throttling: if user sets a bps limit, starts a block job, then stops
> > vm, the block job will not make any progress; in contrary, if user
> > unsets the bps limit, the block job will run normally.
> 
> Wait, that's not what happens:
> 
> a) If you start a job then stop the vm then the job will be
>    completed immediately.
> b) If you stop the vm then start the job then it won't make any
>    progress.
> 
> This patch fixes b), but a) still happens.
> 

Ah you're right, I put the order wrong. I'v just started looking at issue a).

I'll fix the text.

Fam