_raw_spin_trylock_bh 67 include/linux/spinlock_api_smp.h #define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock) _raw_spin_trylock_bh 74 include/linux/spinlock_api_up.h #define _raw_spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; }) _raw_spin_trylock_bh 141 kernel/locking/spinlock.c int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock)