Searched refs:sem (Results 1 – 2 of 2) sorted by relevance
136 down_read(&rkey->sem); in dns_query()164 up_read(&rkey->sem); in dns_query()
58 static inline bool rwsem_is_wrlocked(struct rw_semaphore *sem) in rwsem_is_wrlocked() argument62 if (unlikely(down_read_trylock(sem))) { in rwsem_is_wrlocked()64 up_read(sem); in rwsem_is_wrlocked()