Re: [PATCH v3 9/9] devcg: propagate local changes down the hierarchy

[Tejun Heo]

Hey,

Generally looks good to me although I haven't really delved into the
behavior (you're gonna be there for the fallouts, right?).  Just some
minor comments.

> +static int propagate_behavior(struct dev_cgroup *devcg_root)
> +{
> +	struct cgroup *root = devcg_root->css.cgroup, *pos;
> +	struct dev_cgroup *parent, *devcg, *tmp;
> +	int rc = 0;
> +	LIST_HEAD(pending);
> +
> +	rcu_read_lock();
> +	cgroup_for_each_descendant_pre(pos, root) {
> +		devcg = cgroup_to_devcgroup(pos);
> +		if (is_devcg_online(devcg))
> +			list_add_tail(&devcg->propagate_pending, &pending);
> +	}
> +	rcu_read_unlock();

I think it could be a good idea to factor out the above and document
what's going on and why.

Other than that,

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun
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