xfs_ifork_init_attr
xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);
xfs_ifork_init_attr(ip, dip->di_aformat, naextents);
void xfs_ifork_init_attr(struct xfs_inode *ip, enum xfs_dinode_fmt format,
xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);