OVL_XATTR_UPPER
err = ovl_setxattr(ofs, index, OVL_XATTR_UPPER, fh->buf, fh->fb.len);
fh = ovl_get_fh(ofs, index, OVL_XATTR_UPPER);
return ovl_verify_origin_xattr(ofs, index, OVL_XATTR_UPPER, upper,
OVL_XATTR_TAB_ENTRY(OVL_XATTR_UPPER),