xfs_attr_add_fork
error = xfs_attr_add_fork(dp, sf_size, rsvd);
int xfs_attr_add_fork(struct xfs_inode *ip, int size, int rsvd);
error = xfs_attr_add_fork(sc->ip,
error = xfs_attr_add_fork(sc->tempip,
return xfs_attr_add_fork(sc->ip, sizeof(struct xfs_attr_sf_hdr), 1);