_raw_write_trylock   68 include/linux/rwlock.h #define write_trylock(lock)	__cond_lock(lock, _raw_write_trylock(lock))
_raw_write_trylock   29 include/linux/rwlock_api_smp.h int __lockfunc _raw_write_trylock(rwlock_t *lock);
_raw_write_trylock  289 kernel/locking/spinlock.c EXPORT_SYMBOL(_raw_write_trylock);