+
+/* file lov is in ma->ma_lmm */
+/* requested lov is in info->mti_spec.u.sp_ea.eadata */
+int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
+ const struct md_op_spec *spec, struct md_attr *ma)
+{
+ struct obd_export *lov_exp =
+ mdd2obd_dev(mdo2mdd(cobj))->u.mds.mds_lov_exp;
+ struct lov_mds_md *lmm = ma->ma_lmm;
+ struct lov_user_md_v3 *lum =
+ (struct lov_user_md_v3 *)(spec->u.sp_ea.eadata);
+ struct lov_stripe_md *lsm = NULL;
+ int lmm_magic, rc;
+ ENTRY;
+
+ rc = obd_unpackmd(lov_exp, &lsm, lmm,
+ lov_mds_md_size(lmm->lmm_stripe_count,
+ lmm->lmm_magic));
+ ma->ma_layout_gen = lsm->lsm_layout_gen;
+ ma->ma_valid |= MA_LAY_GEN;
+
+ rc = lov_lum_swab_if_needed(lum, &lmm_magic, NULL);
+ if (rc)
+ GOTO(out, rc);
+
+ rc = lov_lum_lsm_cmp((struct lov_user_md *)lum, lsm);
+ if (rc)
+ GOTO(out, rc); /* keep GOTO to for traces */
+
+out:
+ /* free lsm */
+ obd_unpackmd(lov_exp, &lsm, NULL, 0);
+ return rc;
+}