__le32 i_pino; /* parent inode number */
__le32 i_namelen; /* file name length */
__u8 i_name[F2FS_NAME_LEN]; /* file name for SPOR */
- __u8 i_reserved2; /* for backward compatibility */
+ __u8 i_dir_level; /* dentry_level for large dir */
struct f2fs_extent i_ext; /* caching a largest extent */