blk-throttle: remove tg_drain_bios

}

#endif

/*

 * Dispatch all bios from all children tg's queued on @parent_sq.  On

 * return, @parent_sq is guaranteed to not have any active children tg's

 * and all bios from previously active tg's are on @parent_sq->bio_lists[].

 */

static void tg_drain_bios(struct throtl_service_queue *parent_sq)

{

	struct throtl_grp *tg;

	while ((tg = throtl_rb_first(parent_sq))) {

		struct throtl_service_queue *sq = &tg->service_queue;

		struct bio *bio;

		throtl_dequeue_tg(tg);

		while ((bio = throtl_peek_queued(&sq->queued[READ])))

			tg_dispatch_one_bio(tg, bio_data_dir(bio));

		while ((bio = throtl_peek_queued(&sq->queued[WRITE])))

			tg_dispatch_one_bio(tg, bio_data_dir(bio));

	}

}

int blk_throtl_init(struct request_queue *q)

{

	struct throtl_data *td;