__LOCK_BH 55 include/linux/spinlock_api_up.h #define _spin_lock_bh(lock) __LOCK_BH(lock) __LOCK_BH 56 include/linux/spinlock_api_up.h #define _read_lock_bh(lock) __LOCK_BH(lock) __LOCK_BH 57 include/linux/spinlock_api_up.h #define _write_lock_bh(lock) __LOCK_BH(lock) __LOCK_BH 67 include/linux/spinlock_api_up.h #define _spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; })