xfs_off_t len, int alloc_type);
int xfs_free_file_space(struct xfs_inode *ip, xfs_off_t offset,
xfs_off_t len);
-int xfs_zero_file_space(struct xfs_inode *ip, xfs_off_t offset,
- xfs_off_t len);
int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset,
xfs_off_t len);
int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset,