43 struct kref {  struct
48 kref_init(struct kref *kref)  in kref_init()
55 kref_read(const struct kref *kref)  in kref_read()
62 kref_get(struct kref *kref)  in kref_get()
69 kref_put(struct kref *kref, void (*rel)(struct kref *kref))  in kref_put()
80 kref_put_lock(struct kref *kref, void (*rel)(struct kref *kref),  in kref_put_lock()
93 kref_sub(struct kref *kref, unsigned int count,  in kref_sub()
94     void (*rel)(struct kref *kref))  in kref_sub()
107 kref_get_unless_zero(struct kref *kref)  in kref_get_unless_zero()
113 static inline int kref_put_mutex(struct kref *kref,  in kref_put_mutex()
114     void (*release)(struct kref *kref), struct mutex *lock)  in kref_put_mutex()