Re: [PATCH BUGFIX] block, bfq: access and cache blkg data only when safe

[Jens Axboe]

On 05/19/2017 02:39 AM, Paolo Valente wrote:
> @@ -692,8 +725,7 @@ void bfq_pd_offline(struct blkg_policy_data *pd)
>  		/*
>  		 * The idle tree may still contain bfq_queues belonging
>  		 * to exited task because they never migrated to a different
> -		 * cgroup from the one being destroyed now.  No one else
> -		 * can access them so it's safe to act without any lock.
> ++                * cgroup from the one being destroyed now.
>  		 */
>  		bfq_flush_idle_tree(st);
>  

Looks like an extra '+' snuck into that hunk.

-- 
Jens Axboe