54 struct mutex {  struct
74 	struct mutex base;  argument
99 extern void mutex_destroy(struct mutex *lock);
105 static inline void mutex_destroy(struct mutex *lock) {}  in mutex_destroy()
117 #define mutex_init(mutex)						\  argument
121 	__mutex_init((mutex), #mutex, &__key);				\
142 	struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
144 extern void __mutex_init(struct mutex *lock, const char *name,
153 extern bool mutex_is_locked(struct mutex *lock);
160 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
161 extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock);
163 extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock,
165 extern int __must_check mutex_lock_killable_nested(struct mutex *lock,
167 extern void mutex_lock_io_nested(struct mutex *lock, unsigned int subclass);
181 extern void mutex_lock(struct mutex *lock);
182 extern int __must_check mutex_lock_interruptible(struct mutex *lock);
183 extern int __must_check mutex_lock_killable(struct mutex *lock);
184 extern void mutex_lock_io(struct mutex *lock);
199 extern int mutex_trylock(struct mutex *lock);
200 extern void mutex_unlock(struct mutex *lock);
202 extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
227 mutex_trylock_recursive(struct mutex *lock);