83 extern void mutex_destroy(struct mutex *lock);
89 static inline void mutex_destroy(struct mutex *lock) {}  in mutex_destroy()  argument
118 extern void __mutex_init(struct mutex *lock, const char *name,
127 extern bool mutex_is_locked(struct mutex *lock);
151 extern void __mutex_rt_init(struct mutex *lock, const char *name,
153 extern int mutex_trylock(struct mutex *lock);
155 static inline void mutex_destroy(struct mutex *lock) { }  in mutex_destroy()  argument
178 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
179 extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock);
181 extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock,
183 extern int __must_check mutex_lock_killable_nested(struct mutex *lock,
185 extern void mutex_lock_io_nested(struct mutex *lock, unsigned int subclass);
187 #define mutex_lock(lock) mutex_lock_nested(lock, 0)  argument
188 #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)  argument
189 #define mutex_lock_killable(lock) mutex_lock_killable_nested(lock, 0)  argument
190 #define mutex_lock_io(lock) mutex_lock_io_nested(lock, 0)  argument
192 #define mutex_lock_nest_lock(lock, nest_lock)				\  argument
195 	_mutex_lock_nest_lock(lock, &(nest_lock)->dep_map);		\
199 extern void mutex_lock(struct mutex *lock);
200 extern int __must_check mutex_lock_interruptible(struct mutex *lock);
201 extern int __must_check mutex_lock_killable(struct mutex *lock);
202 extern void mutex_lock_io(struct mutex *lock);
204 # define mutex_lock_nested(lock, subclass) mutex_lock(lock)  argument
205 # define mutex_lock_interruptible_nested(lock, subclass) mutex_lock_interruptible(lock)  argument
206 # define mutex_lock_killable_nested(lock, subclass) mutex_lock_killable(lock)  argument
207 # define mutex_lock_nest_lock(lock, nest_lock) mutex_lock(lock)  argument
208 # define mutex_lock_io_nested(lock, subclass) mutex_lock_io(lock)  argument
217 extern int mutex_trylock(struct mutex *lock);
218 extern void mutex_unlock(struct mutex *lock);
220 extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);