+int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
+ const struct lu_fid *fid, struct lu_seq_range *range)
+{
+ struct seq_server_site *ss = osd_seq_site(osd);
+ int rc;
+
+ if (fid_is_igif(fid)) {
+ range->lsr_flags = LU_SEQ_RANGE_MDT;
+ range->lsr_index = 0;
+ return 0;
+ }
+
+ if (fid_is_idif(fid)) {
+ range->lsr_flags = LU_SEQ_RANGE_OST;
+ range->lsr_index = fid_idif_ost_idx(fid);
+ return 0;
+ }
+
+ if (!fid_is_norm(fid)) {
+ range->lsr_flags = LU_SEQ_RANGE_MDT;
+ if (ss != NULL)
+ /* FIXME: If ss is NULL, it suppose not get lsr_index
+ * at all */
+ range->lsr_index = ss->ss_node_id;
+ return 0;
+ }
+
+ LASSERT(ss != NULL);
+ range->lsr_flags = -1;
+ rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
+ if (rc != 0) {
+ CERROR("%s can not find "DFID": rc = %d\n",
+ osd2lu_dev(osd)->ld_obd->obd_name, PFID(fid), rc);
+ }
+ return rc;
+}
+
+