1491 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2);
1597 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)  in double_rq_lock()  argument
1598 	__acquires(rq1->lock)  in double_rq_lock()
1602 	if (rq1 == rq2) {  in double_rq_lock()
1603 		raw_spin_lock(&rq1->lock);  in double_rq_lock()
1606 		if (rq1 < rq2) {  in double_rq_lock()
1607 			raw_spin_lock(&rq1->lock);  in double_rq_lock()
1611 			raw_spin_lock_nested(&rq1->lock, SINGLE_DEPTH_NESTING);  in double_rq_lock()
1622 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1623 	__releases(rq1->lock)  in double_rq_unlock()
1626 	raw_spin_unlock(&rq1->lock);  in double_rq_unlock()
1627 	if (rq1 != rq2)  in double_rq_unlock()
1641 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)  in double_rq_lock()  argument
1642 	__acquires(rq1->lock)  in double_rq_lock()
1646 	BUG_ON(rq1 != rq2);  in double_rq_lock()
1647 	raw_spin_lock(&rq1->lock);  in double_rq_lock()
1657 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1658 	__releases(rq1->lock)  in double_rq_unlock()
1661 	BUG_ON(rq1 != rq2);  in double_rq_unlock()
1662 	raw_spin_unlock(&rq1->lock);  in double_rq_unlock()