On Wed, Oct 25, 2017 at 10:40:47AM +0200, Alberto Garcia wrote:
> On Tue 24 Oct 2017 05:33:51 AM CEST, sochin jiang wrote:
> > --- a/block/throttle-groups.c
> > +++ b/block/throttle-groups.c
> > @@ -576,7 +576,9 @@ void throttle_group_unregister_tgm(ThrottleGroupMember 
> > *tgm)
> >  
> >      /* remove the current tgm from the list */
> >      QLIST_REMOVE(tgm, round_robin);
> > -    throttle_timers_destroy(&tgm->throttle_timers);
> > +    if (throttle_timers_are_initialized(&tgm->throttle_timers)) {
> > +        throttle_timers_destroy(&tgm->throttle_timers);
> > +    }
> >      qemu_mutex_unlock(&tg->lock);
> >  
> >      throttle_group_unref(&tg->ts);
> 
> I don't know what the rest of the people think, but I'm not completely
> convinced that it's a good idea to have an active ThrottleState inside a
> ThrottleGroupMember without timers.
> 
> Perhaps in blk_remove_bs() after detaching the AioContext from the BDS
> we can attach the default one (what you would get with
> blk_get_aio_context()).
> 
> On the other hand I think that Manos's series to remove the legacy
> throttling code gets rid of BlockBackend.ThrottleGroupMember completely.

What is the status of Manos' series?

It would be good to merge it and then consider currently open throttling
bugs again.

Stefan

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