_raw_read_trylock   67 include/linux/rwlock.h #define read_trylock(lock)	__cond_lock(lock, _raw_read_trylock(lock))
_raw_read_trylock   28 include/linux/rwlock_api_smp.h int __lockfunc _raw_read_trylock(rwlock_t *lock);
_raw_read_trylock  217 kernel/locking/spinlock.c EXPORT_SYMBOL(_raw_read_trylock);