spin_lock_bh
static __always_inline void spin_lock_bh(spinlock_t *lock)
static __always_inline void spin_lock_bh(spinlock_t *lock)
#define spin_lock_bh(x) pthread_mutex_lock(x)
static inline void spin_lock_bh(spinlock_t *lock)
static void spin_lock_bh(spinlock_t *lock)