18 struct dm_space_map {  struct
19 	void (*destroy)(struct dm_space_map *sm);  argument
24 	int (*extend)(struct dm_space_map *sm, dm_block_t extra_blocks);  argument
30 	int (*get_nr_blocks)(struct dm_space_map *sm, dm_block_t *count);  argument
40 	int (*get_nr_free)(struct dm_space_map *sm, dm_block_t *count);  argument
42 	int (*get_count)(struct dm_space_map *sm, dm_block_t b, uint32_t *result);  argument
43 	int (*count_is_more_than_one)(struct dm_space_map *sm, dm_block_t b,  argument
45 	int (*set_count)(struct dm_space_map *sm, dm_block_t b, uint32_t count);  argument
47 	int (*commit)(struct dm_space_map *sm);  argument
49 	int (*inc_blocks)(struct dm_space_map *sm, dm_block_t b, dm_block_t e);  argument
50 	int (*dec_blocks)(struct dm_space_map *sm, dm_block_t b, dm_block_t e);  argument
55 	int (*new_block)(struct dm_space_map *sm, dm_block_t *b);  argument
62 	int (*root_size)(struct dm_space_map *sm, size_t *result);  argument
63 	int (*copy_root)(struct dm_space_map *sm, void *copy_to_here_le, size_t len);  argument
69 	int (*register_threshold_callback)(struct dm_space_map *sm,  argument
77 static inline void dm_sm_destroy(struct dm_space_map *sm)  in dm_sm_destroy()
83 static inline int dm_sm_extend(struct dm_space_map *sm, dm_block_t extra_blocks)  in dm_sm_extend()
88 static inline int dm_sm_get_nr_blocks(struct dm_space_map *sm, dm_block_t *count)  in dm_sm_get_nr_blocks()
93 static inline int dm_sm_get_nr_free(struct dm_space_map *sm, dm_block_t *count)  in dm_sm_get_nr_free()
98 static inline int dm_sm_get_count(struct dm_space_map *sm, dm_block_t b,  in dm_sm_get_count()
104 static inline int dm_sm_count_is_more_than_one(struct dm_space_map *sm,  in dm_sm_count_is_more_than_one()
110 static inline int dm_sm_set_count(struct dm_space_map *sm, dm_block_t b,  in dm_sm_set_count()
116 static inline int dm_sm_commit(struct dm_space_map *sm)  in dm_sm_commit()
121 static inline int dm_sm_inc_blocks(struct dm_space_map *sm, dm_block_t b, dm_block_t e)  in dm_sm_inc_blocks()
126 static inline int dm_sm_inc_block(struct dm_space_map *sm, dm_block_t b)  in dm_sm_inc_block()
131 static inline int dm_sm_dec_blocks(struct dm_space_map *sm, dm_block_t b, dm_block_t e)  in dm_sm_dec_blocks()
136 static inline int dm_sm_dec_block(struct dm_space_map *sm, dm_block_t b)  in dm_sm_dec_block()
141 static inline int dm_sm_new_block(struct dm_space_map *sm, dm_block_t *b)  in dm_sm_new_block()
146 static inline int dm_sm_root_size(struct dm_space_map *sm, size_t *result)  in dm_sm_root_size()
151 static inline int dm_sm_copy_root(struct dm_space_map *sm, void *copy_to_here_le, size_t len)  in dm_sm_copy_root()
156 static inline int dm_sm_register_threshold_callback(struct dm_space_map *sm,  in dm_sm_register_threshold_callback()