[PATCH 17/18] io-controller: IO group refcounting support

[Vivek Goyal]

On Fri, May 08, 2009 at 10:59:31AM +0800, Gui Jianfeng wrote:
> Vivek Goyal wrote:
> ...
> >  
> > -		BUG_ON(!RB_EMPTY_ROOT(&st->active));
> > -		BUG_ON(!RB_EMPTY_ROOT(&st->idle));
> >  	}
> >  
> > -	BUG_ON(iog->sched_data.next_active != NULL);
> > -	BUG_ON(iog->sched_data.active_entity != NULL);
> > -	BUG_ON(entity->tree != NULL);
> > +	/* Drop iocg reference on io group */
> 
>   We'd better to reset iog->iocg_id here since the cgroup is going to destroy.
> 

Hm.., that does not harm. Will do in next version.

Thanks
Vivek