+
+}
+
+struct mds_lov_sync_info {
+ struct obd_device *mlsi_obd; /* the lov device to sync */
+ struct obd_uuid *mlsi_uuid; /* target to sync */
+};
+
+int mds_lov_synchronize(void *data)
+{
+ struct mds_lov_sync_info *mlsi = data;
+ struct llog_ctxt *ctxt;
+ struct obd_device *obd;
+ struct obd_uuid *uuid;
+ unsigned long flags;
+ int rc;
+
+ lock_kernel();
+ ptlrpc_daemonize();
+
+ SIGNAL_MASK_LOCK(current, flags);
+ sigfillset(¤t->blocked);
+ RECALC_SIGPENDING;
+ SIGNAL_MASK_UNLOCK(current, flags);
+
+ obd = mlsi->mlsi_obd;
+ uuid = mlsi->mlsi_uuid;
+
+ OBD_FREE(mlsi, sizeof(*mlsi));
+
+ LASSERT(obd != NULL);
+ LASSERT(uuid != NULL);
+
+ rc = obd_set_info(obd->u.mds.mds_osc_exp, strlen("mds_conn"),
+ "mds_conn", 0, uuid);
+ if (rc != 0)
+ RETURN(rc);
+
+ ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
+ LASSERT(ctxt != NULL);
+
+ rc = llog_connect(ctxt, obd->u.mds.mds_lov_desc.ld_tgt_count,
+ NULL, NULL, uuid);
+ if (rc != 0) {
+ CERROR("%s: failed at llog_origin_connect: %d\n",
+ obd->obd_name, rc);
+ RETURN(rc);
+ }
+
+ CWARN("MDS %s: %s now active, resetting orphans\n",
+ obd->obd_name, uuid->uuid);
+ rc = mds_lov_clearorphans(&obd->u.mds, uuid);
+ if (rc != 0) {
+ CERROR("%s: failed at mds_lov_clearorphans: %d\n",
+ obd->obd_name, rc);
+ RETURN(rc);
+ }
+
+ RETURN(0);
+}
+
+int mds_lov_start_synchronize(struct obd_device *obd, struct obd_uuid *uuid)
+{
+ struct mds_lov_sync_info *mlsi;
+ int rc;
+
+ ENTRY;
+
+ OBD_ALLOC(mlsi, sizeof(*mlsi));
+ if (mlsi == NULL)
+ RETURN(-ENOMEM);
+
+ mlsi->mlsi_obd = obd;
+ mlsi->mlsi_uuid = uuid;
+
+ rc = kernel_thread(mds_lov_synchronize, mlsi, CLONE_VM | CLONE_FILES);
+ if (rc < 0)
+ CERROR("%s: error starting mds_lov_synchronize: %d\n",
+ obd->obd_name, rc);
+ else {
+ CDEBUG(D_HA, "%s: mds_lov_synchronize thread: %d\n",
+ obd->obd_name, rc);
+ rc = 0;
+ }
+
+ RETURN(rc);