void nilfs_btnode_cache_init_once(struct address_space *);
void nilfs_btnode_cache_init(struct address_space *, struct backing_dev_info *);
void nilfs_btnode_cache_clear(struct address_space *);
+struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
+ __u64 blocknr);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t,
- struct buffer_head **, int);
-int nilfs_btnode_get(struct address_space *, __u64, sector_t,
- struct buffer_head **, int);
+ struct buffer_head **);
void nilfs_btnode_delete(struct buffer_head *);
int nilfs_btnode_prepare_change_key(struct address_space *,
struct nilfs_btnode_chkey_ctxt *);