md/persistent-data/dm-space-map.h

20 	void (*destroy)(struct dm_space_map *sm);
25 	int (*extend)(struct dm_space_map *sm, dm_block_t extra_blocks);
31 	int (*get_nr_blocks)(struct dm_space_map *sm, dm_block_t *count);
41 	int (*get_nr_free)(struct dm_space_map *sm, dm_block_t *count);
43 	int (*get_count)(struct dm_space_map *sm, dm_block_t b, uint32_t *result);
44 	int (*count_is_more_than_one)(struct dm_space_map *sm, dm_block_t b,
46 	int (*set_count)(struct dm_space_map *sm, dm_block_t b, uint32_t count);
48 	int (*commit)(struct dm_space_map *sm);
50 	int (*inc_blocks)(struct dm_space_map *sm, dm_block_t b, dm_block_t e);
51 	int (*dec_blocks)(struct dm_space_map *sm, dm_block_t b, dm_block_t e);
56 	int (*new_block)(struct dm_space_map *sm, dm_block_t *b);
63 	int (*root_size)(struct dm_space_map *sm, size_t *result);
64 	int (*copy_root)(struct dm_space_map *sm, void *copy_to_here_le, size_t len);
70 	int (*register_threshold_callback)(struct dm_space_map *sm,
78 static inline void dm_sm_destroy(struct dm_space_map *sm)
80 	if (sm)
81 		sm->destroy(sm);
84 static inline int dm_sm_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
86 	return sm->extend(sm, extra_blocks);
89 static inline int dm_sm_get_nr_blocks(struct dm_space_map *sm, dm_block_t *count)
91 	return sm->get_nr_blocks(sm, count);
94 static inline int dm_sm_get_nr_free(struct dm_space_map *sm, dm_block_t *count)
96 	return sm->get_nr_free(sm, count);
99 static inline int dm_sm_get_count(struct dm_space_map *sm, dm_block_t b,
102 	return sm->get_count(sm, b, result);
105 static inline int dm_sm_count_is_more_than_one(struct dm_space_map *sm,
108 	return sm->count_is_more_than_one(sm, b, result);
111 static inline int dm_sm_set_count(struct dm_space_map *sm, dm_block_t b,
114 	return sm->set_count(sm, b, count);
117 static inline int dm_sm_commit(struct dm_space_map *sm)
119 	return sm->commit(sm);
122 static inline int dm_sm_inc_blocks(struct dm_space_map *sm, dm_block_t b, dm_block_t e)
124 	return sm->inc_blocks(sm, b, e);
127 static inline int dm_sm_inc_block(struct dm_space_map *sm, dm_block_t b)
129 	return dm_sm_inc_blocks(sm, b, b + 1);
132 static inline int dm_sm_dec_blocks(struct dm_space_map *sm, dm_block_t b, dm_block_t e)
134 	return sm->dec_blocks(sm, b, e);
137 static inline int dm_sm_dec_block(struct dm_space_map *sm, dm_block_t b)
139 	return dm_sm_dec_blocks(sm, b, b + 1);
142 static inline int dm_sm_new_block(struct dm_space_map *sm, dm_block_t *b)
144 	return sm->new_block(sm, b);
147 static inline int dm_sm_root_size(struct dm_space_map *sm, size_t *result)
149 	return sm->root_size(sm, result);
152 static inline int dm_sm_copy_root(struct dm_space_map *sm, void *copy_to_here_le, size_t len)
154 	return sm->copy_root(sm, copy_to_here_le, len);
157 static inline int dm_sm_register_threshold_callback(struct dm_space_map *sm,
162 	if (sm->register_threshold_callback)
163 		return sm->register_threshold_callback(sm, threshold, fn, context);