42 extern void mutex_destroy(struct mutex *lock);
48 static inline void mutex_destroy(struct mutex *lock) {}  in mutex_destroy()
60 #define mutex_init(mutex)						\  argument
64 	__mutex_init((mutex), #mutex, &__key);				\
76 #define mutex_init_with_key(mutex, key) __mutex_init((mutex), #mutex, (key))  argument
87 	struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
89 extern void __mutex_init(struct mutex *lock, const char *name,
98 extern bool mutex_is_locked(struct mutex *lock);
112 	struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
114 extern void __mutex_rt_init(struct mutex *lock, const char *name,
119 #define __mutex_init(mutex, name, key)			\  argument
121 	rt_mutex_base_init(&(mutex)->rtmutex);		\
122 	__mutex_rt_init((mutex), name, key);		\
129 int __devm_mutex_init(struct device *dev, struct mutex *lock);
133 static inline int __devm_mutex_init(struct device *dev, struct mutex *lock)  in __devm_mutex_init()
144 #define devm_mutex_init(dev, mutex)			\  argument
146 	typeof(mutex) mutex_ = (mutex);			\
157 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
158 extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock);
160 extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock,
162 extern int __must_check mutex_lock_killable_nested(struct mutex *lock,
164 extern void mutex_lock_io_nested(struct mutex *lock, unsigned int subclass);
178 extern void mutex_lock(struct mutex *lock);
179 extern int __must_check mutex_lock_interruptible(struct mutex *lock);
180 extern int __must_check mutex_lock_killable(struct mutex *lock);
181 extern void mutex_lock_io(struct mutex *lock);
196 extern int mutex_trylock(struct mutex *lock);
197 extern void mutex_unlock(struct mutex *lock);
199 extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
201 DEFINE_GUARD(mutex, struct mutex *, mutex_lock(_T), mutex_unlock(_T))
202 DEFINE_GUARD_COND(mutex, _try, mutex_trylock(_T))
203 DEFINE_GUARD_COND(mutex, _intr, mutex_lock_interruptible(_T) == 0)
205 extern unsigned long mutex_get_owner(struct mutex *lock);