+/*
+ * test if a file has an HSM archive
+ * if HSM attributes are not found in ma update them from
+ * HSM xattr
+ */
+static bool mdd_hsm_archive_exists(const struct lu_env *env,
+ struct mdd_object *obj,
+ struct md_attr *ma)
+{
+ ENTRY;
+
+ if (!(ma->ma_valid & MA_HSM)) {
+ /* no HSM MD provided, read xattr */
+ struct lu_buf *hsm_buf;
+ const size_t buflen = sizeof(struct hsm_attrs);
+ int rc;
+
+ hsm_buf = mdd_buf_get(env, NULL, 0);
+ lu_buf_alloc(hsm_buf, buflen);
+ rc = mdo_xattr_get(env, obj, hsm_buf, XATTR_NAME_HSM,
+ mdd_object_capa(env, obj));
+ rc = lustre_buf2hsm(hsm_buf->lb_buf, rc, &ma->ma_hsm);
+ lu_buf_free(hsm_buf);
+ if (rc < 0)
+ RETURN(false);
+
+ ma->ma_valid = MA_HSM;
+ }
+ if (ma->ma_hsm.mh_flags & HS_EXISTS)
+ RETURN(true);
+ RETURN(false);
+}
+