185 #define mt_lock_is_held(mt)                                             \  argument
186 	(!(mt)->ma_external_lock || lock_is_held((mt)->ma_external_lock))
188 #define mt_write_lock_is_held(mt)					\  argument
189 	(!(mt)->ma_external_lock ||					\
190 	 lock_is_held_type((mt)->ma_external_lock, 0))
192 #define mt_set_external_lock(mt, lock)					\  argument
193 	(mt)->ma_external_lock = &(lock)->dep_map
195 #define mt_on_stack(mt)			(mt).ma_external_lock = NULL  argument
198 #define mt_lock_is_held(mt)		1  argument
199 #define mt_write_lock_is_held(mt)	1  argument
200 #define mt_set_external_lock(mt, lock)	do { } while (0)  argument
201 #define mt_on_stack(mt)			do { } while (0)  argument
258 #define mtree_lock(mt)		spin_lock((&(mt)->ma_lock))  argument
260 		spin_lock_nested((&(mt)->ma_lock), subclass)
261 #define mtree_unlock(mt)	spin_unlock((&(mt)->ma_lock))  argument
313 void *mtree_load(struct maple_tree *mt, unsigned long index);
315 int mtree_insert(struct maple_tree *mt, unsigned long index,
317 int mtree_insert_range(struct maple_tree *mt, unsigned long first,
319 int mtree_alloc_range(struct maple_tree *mt, unsigned long *startp,
322 int mtree_alloc_rrange(struct maple_tree *mt, unsigned long *startp,
326 int mtree_store_range(struct maple_tree *mt, unsigned long first,
328 int mtree_store(struct maple_tree *mt, unsigned long index,
330 void *mtree_erase(struct maple_tree *mt, unsigned long index);
332 int mtree_dup(struct maple_tree *mt, struct maple_tree *new, gfp_t gfp);
333 int __mt_dup(struct maple_tree *mt, struct maple_tree *new, gfp_t gfp);
335 void mtree_destroy(struct maple_tree *mt);
336 void __mt_destroy(struct maple_tree *mt);
340  * @mt: Maple Tree.
345 static inline bool mtree_empty(const struct maple_tree *mt)  in mtree_empty()  argument
347 	return mt->ma_root == NULL;  in mtree_empty()
465 #define MA_STATE(name, mt, first, end)					\  argument
467 		.tree = mt,						\
583 void mt_dump(const struct maple_tree *mt, enum mt_dump_format format);
586 void mt_validate(struct maple_tree *mt);
750 static inline bool mt_external_lock(const struct maple_tree *mt)  in mt_external_lock()  argument
752 	return (mt->ma_flags & MT_FLAGS_LOCK_MASK) == MT_FLAGS_LOCK_EXTERN;  in mt_external_lock()
757  * @mt: Maple Tree
765 static inline void mt_init_flags(struct maple_tree *mt, unsigned int flags)  in mt_init_flags()  argument
767 	mt->ma_flags = flags;  in mt_init_flags()
768 	if (!mt_external_lock(mt))  in mt_init_flags()
769 		spin_lock_init(&mt->ma_lock);  in mt_init_flags()
770 	rcu_assign_pointer(mt->ma_root, NULL);  in mt_init_flags()
775  * @mt: Maple Tree
781 static inline void mt_init(struct maple_tree *mt)  in mt_init()  argument
783 	mt_init_flags(mt, 0);  in mt_init()
786 static inline bool mt_in_rcu(struct maple_tree *mt)  in mt_in_rcu()  argument
791 	return mt->ma_flags & MT_FLAGS_USE_RCU;  in mt_in_rcu()
796  * @mt: The Maple Tree
798 static inline void mt_clear_in_rcu(struct maple_tree *mt)  in mt_clear_in_rcu()  argument
800 	if (!mt_in_rcu(mt))  in mt_clear_in_rcu()
803 	if (mt_external_lock(mt)) {  in mt_clear_in_rcu()
804 		WARN_ON(!mt_lock_is_held(mt));  in mt_clear_in_rcu()
805 		mt->ma_flags &= ~MT_FLAGS_USE_RCU;  in mt_clear_in_rcu()
807 		mtree_lock(mt);  in mt_clear_in_rcu()
808 		mt->ma_flags &= ~MT_FLAGS_USE_RCU;  in mt_clear_in_rcu()
809 		mtree_unlock(mt);  in mt_clear_in_rcu()
815  * @mt: The Maple Tree
817 static inline void mt_set_in_rcu(struct maple_tree *mt)  in mt_set_in_rcu()  argument
819 	if (mt_in_rcu(mt))  in mt_set_in_rcu()
822 	if (mt_external_lock(mt)) {  in mt_set_in_rcu()
823 		WARN_ON(!mt_lock_is_held(mt));  in mt_set_in_rcu()
824 		mt->ma_flags |= MT_FLAGS_USE_RCU;  in mt_set_in_rcu()
826 		mtree_lock(mt);  in mt_set_in_rcu()
827 		mt->ma_flags |= MT_FLAGS_USE_RCU;  in mt_set_in_rcu()
828 		mtree_unlock(mt);  in mt_set_in_rcu()
832 static inline unsigned int mt_height(const struct maple_tree *mt)  in mt_height()  argument
834 	return (mt->ma_flags & MT_FLAGS_HEIGHT_MASK) >> MT_FLAGS_HEIGHT_OFFSET;  in mt_height()
837 void *mt_find(struct maple_tree *mt, unsigned long *index, unsigned long max);
838 void *mt_find_after(struct maple_tree *mt, unsigned long *index,
840 void *mt_prev(struct maple_tree *mt, unsigned long index,  unsigned long min);
841 void *mt_next(struct maple_tree *mt, unsigned long index, unsigned long max);