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
1599 	__acquires(rq2->lock)  in double_rq_lock()
1602 	if (rq1 == rq2) {  in double_rq_lock()
1604 		__acquire(rq2->lock);	/* Fake it out ;) */  in double_rq_lock()
1606 		if (rq1 < rq2) {  in double_rq_lock()
1608 			raw_spin_lock_nested(&rq2->lock, SINGLE_DEPTH_NESTING);  in double_rq_lock()
1610 			raw_spin_lock(&rq2->lock);  in double_rq_lock()
1622 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1624 	__releases(rq2->lock)  in double_rq_unlock()
1627 	if (rq1 != rq2)  in double_rq_unlock()
1628 		raw_spin_unlock(&rq2->lock);  in double_rq_unlock()
1630 		__release(rq2->lock);  in double_rq_unlock()
1641 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)  in double_rq_lock()  argument
1643 	__acquires(rq2->lock)  in double_rq_lock()
1646 	BUG_ON(rq1 != rq2);  in double_rq_lock()
1648 	__acquire(rq2->lock);	/* Fake it out ;) */  in double_rq_lock()
1657 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1659 	__releases(rq2->lock)  in double_rq_unlock()
1661 	BUG_ON(rq1 != rq2);  in double_rq_unlock()
1663 	__release(rq2->lock);  in double_rq_unlock()