* regardless of the position of the group in the hierarchy.
*/
sq->parent_sq = &td->service_queue;
- if (cgroup_on_dfl(blkg->blkcg->css.cgroup) && blkg->parent)
+ if (cgroup_subsys_on_dfl(io_cgrp_subsys) && blkg->parent)
sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;
tg->td = td;
}