1513 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2);
1619 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)  in double_rq_lock()  argument
1621 	__acquires(rq2->lock)  in double_rq_lock()
1624 	if (rq1 == rq2) {  in double_rq_lock()
1626 		__acquire(rq2->lock);	/* Fake it out ;) */  in double_rq_lock()
1628 		if (rq1 < rq2) {  in double_rq_lock()
1630 			raw_spin_lock_nested(&rq2->lock, SINGLE_DEPTH_NESTING);  in double_rq_lock()
1632 			raw_spin_lock(&rq2->lock);  in double_rq_lock()
1644 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1646 	__releases(rq2->lock)  in double_rq_unlock()
1649 	if (rq1 != rq2)  in double_rq_unlock()
1650 		raw_spin_unlock(&rq2->lock);  in double_rq_unlock()
1652 		__release(rq2->lock);  in double_rq_unlock()
1663 static inline void double_rq_lock(struct rq *rq1, struct rq *rq2)  in double_rq_lock()  argument
1665 	__acquires(rq2->lock)  in double_rq_lock()
1668 	BUG_ON(rq1 != rq2);  in double_rq_lock()
1670 	__acquire(rq2->lock);	/* Fake it out ;) */  in double_rq_lock()
1679 static inline void double_rq_unlock(struct rq *rq1, struct rq *rq2)  in double_rq_unlock()  argument
1681 	__releases(rq2->lock)  in double_rq_unlock()
1683 	BUG_ON(rq1 != rq2);  in double_rq_unlock()
1685 	__release(rq2->lock);  in double_rq_unlock()