OVL_XATTR_IMPURE
return ovl_get_dir_xattr_val(ofs, &upperpath, OVL_XATTR_IMPURE) == 'y';
OVL_XATTR_IMPURE);
res = ovl_path_getxattr(ofs, upperpath, OVL_XATTR_IMPURE, NULL,
OVL_XATTR_TAB_ENTRY(OVL_XATTR_IMPURE),
err = ovl_check_setxattr(ofs, upperdentry, OVL_XATTR_IMPURE, "y", 1, 0);