On Tue, Apr 1, 2008 at 2:38 AM, Satoshi UCHIDA <s-uchida@ap.jp.nec.com> wrote:
quoted text
>  +
>  +static void *cfq_cgroup_init_cfq_data(struct cfq_cgroup *cfqc, struct cfq_data *cfqd)
>  +{
>  +       struct cgroup *child;
>  +
>  +       /* setting cfq_data for cfq_cgroup */
>  +       if (!cfqc) {
>  +               cfqc = cgroup_to_cfq_cgroup(get_root_subsys(&cfq_cgroup_subsys));

Rather than adding get_root_subsys(), can't you just keep a reference
locally to your root subsystem state?

Paul
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/