xfs_attr_sf_entsize_byname
xfs_attr_sf_entsize_byname(args->namelen,
newsize += xfs_attr_sf_entsize_byname(args->namelen, args->valuelen);
bytes += xfs_attr_sf_entsize_byname(name_loc->namelen,
size = xfs_attr_sf_entsize_byname(args->namelen, args->valuelen);
xfs_attr_sf_entsize_byname(sizeof(struct xfs_parent_rec),