bfq_bfqq_move
bfq_bfqq_move(bfqd, sync_bfqq, bfqg);
bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);
void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,