+ CDEBUG(D_OTHER, "%s: create new object "DFID" nr %d\n",
+ ofd_name(ofd), PFID(fid), nr);
+
+ /* When the LFSCK scanning the whole device to verify the LAST_ID file
+ * consistency, it will load the last_id into RAM firstly, and compare
+ * the last_id with each OST-object's ID. If the later one is larger,
+ * then it will regard the LAST_ID file crashed. But during the LFSCK
+ * scanning, the OFD may continue to create new OST-objects. Those new
+ * created OST-objects will have larger IDs than the LFSCK known ones.
+ * So from the LFSCK view, it needs to re-load the last_id from disk
+ * file, and if the latest last_id is still smaller than the object's
+ * ID, then the LAST_ID file is real crashed.
+ *
+ * To make above mechanism to work, before OFD pre-create OST-objects,
+ * it needs to update the LAST_ID file firstly, otherwise, the LFSCK
+ * may cannot get latest last_id although new OST-object created. */
+ if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_SKIP_LASTID)) {
+ tmp = cpu_to_le64(id + nr - 1);
+ dt_write_lock(env, oseq->os_lastid_obj, 0);
+ rc = dt_record_write(env, oseq->os_lastid_obj,
+ &info->fti_buf, &info->fti_off, th);
+ dt_write_unlock(env, oseq->os_lastid_obj);
+ if (rc != 0)
+ GOTO(trans_stop, rc);
+ }