+ entry = lov_lsm_entry(loo->lo_lsm, offset);
+ if (entry < 0 || !lsm_entry_inited(loo->lo_lsm, entry)) {
+ /* non-existing layout component */
+ lov_page_init_empty(env, obj, page, index);
+ RETURN(0);
+ }
+
+ r0 = lov_r0(loo, entry);
+ stripe = lov_stripe_number(loo->lo_lsm, entry, offset);