75 		    device->state.conn != C_STANDALONE ||  in conn_all_vols_unconf()
187 	enum drbd_conns conn = C_MASK;  in conn_lowest_conn()  local
194 		conn = min_t(enum drbd_conns, conn, device->state.conn);  in conn_lowest_conn()
198 	return conn;  in conn_lowest_conn()
209 		if (peer_device->device->state.conn == C_WF_REPORT_PARAMS) {  in no_peer_wf_report_params()
240 	return (os.conn >= C_CONNECTED && ns.conn >= C_CONNECTED &&  in cl_wide_st_chg()
242 		  (os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in cl_wide_st_chg()
243 		  (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S) ||  in cl_wide_st_chg()
245 		(os.conn >= C_CONNECTED && ns.conn == C_DISCONNECTING) ||  in cl_wide_st_chg()
246 		(os.conn == C_CONNECTED && ns.conn == C_VERIFY_S) ||  in cl_wide_st_chg()
247 		(os.conn == C_CONNECTED && ns.conn == C_WF_REPORT_PARAMS);  in cl_wide_st_chg()
445 	    drbd_conn_str(ns.conn),  in print_st()
484 	if (ns.conn != os.conn && flags & CS_DC_CONN)  in print_state_change()
486 			       drbd_conn_str(os.conn),  in print_state_change()
487 			       drbd_conn_str(ns.conn));  in print_state_change()
579 	else if (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.disk < D_UP_TO_DATE)  in is_valid_state()
583 		 ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk >= D_UNKNOWN)  in is_valid_state()
589 	else if (ns.conn > C_CONNECTED && ns.disk < D_INCONSISTENT)  in is_valid_state()
592 	else if (ns.conn > C_CONNECTED && ns.pdsk < D_INCONSISTENT)  in is_valid_state()
595 	else if (ns.conn > C_CONNECTED && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)  in is_valid_state()
598 	else if ((ns.conn == C_CONNECTED ||  in is_valid_state()
599 		  ns.conn == C_WF_BITMAP_S ||  in is_valid_state()
600 		  ns.conn == C_SYNC_SOURCE ||  in is_valid_state()
601 		  ns.conn == C_PAUSED_SYNC_S) &&  in is_valid_state()
605 	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
609 	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
616 	else if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_state()
620 	else if (ns.conn >= C_CONNECTED && ns.pdsk == D_UNKNOWN)  in is_valid_state()
641 	if ((ns.conn == C_STARTING_SYNC_T || ns.conn == C_STARTING_SYNC_S) &&  in is_valid_soft_transition()
642 	    os.conn > C_CONNECTED)  in is_valid_soft_transition()
645 	if (ns.conn == C_DISCONNECTING && os.conn == C_STANDALONE)  in is_valid_soft_transition()
651 	if (ns.conn == C_WF_CONNECTION && os.conn < C_UNCONNECTED)  in is_valid_soft_transition()
657 	if (ns.conn == C_DISCONNECTING && os.conn == C_UNCONNECTED)  in is_valid_soft_transition()
663 	    !((ns.conn == C_WF_REPORT_PARAMS && os.conn == C_WF_CONNECTION) ||  in is_valid_soft_transition()
664 	      (ns.conn >= C_CONNECTED && os.conn == C_WF_REPORT_PARAMS)))  in is_valid_soft_transition()
667 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && os.conn < C_CONNECTED)  in is_valid_soft_transition()
670 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_soft_transition()
671 	    ns.conn != os.conn && os.conn > C_CONNECTED)  in is_valid_soft_transition()
674 	if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_soft_transition()
675 	    os.conn < C_CONNECTED)  in is_valid_soft_transition()
678 	if ((ns.conn == C_SYNC_TARGET || ns.conn == C_SYNC_SOURCE)  in is_valid_soft_transition()
679 	    && os.conn < C_WF_REPORT_PARAMS)  in is_valid_soft_transition()
682 	if (ns.conn == C_DISCONNECTING && ns.pdsk == D_OUTDATED &&  in is_valid_soft_transition()
683 	    os.conn < C_CONNECTED && os.pdsk > D_OUTDATED)  in is_valid_soft_transition()
734 	rv = is_valid_conn_transition(os.conn, ns.conn);  in is_valid_transition()
786 	if (ns.conn < C_CONNECTED) {  in sanitize_state()
794 	if (ns.conn == C_STANDALONE && ns.disk == D_DISKLESS && ns.role == R_SECONDARY)  in sanitize_state()
799 	if (ns.conn > C_CONNECTED && (ns.disk <= D_FAILED || ns.pdsk <= D_FAILED)) {  in sanitize_state()
801 			*warn = ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T ?  in sanitize_state()
803 		ns.conn = C_CONNECTED;  in sanitize_state()
807 	if (ns.conn < C_CONNECTED && ns.disk == D_NEGOTIATING &&  in sanitize_state()
822 	if (ns.conn >= C_CONNECTED && ns.conn < C_AHEAD) {  in sanitize_state()
834 	switch ((enum drbd_conns)ns.conn) {  in sanitize_state()
910 	    (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk > D_OUTDATED) &&  in sanitize_state()
911 	    !(os.role == R_PRIMARY && os.conn < C_CONNECTED && os.pdsk > D_OUTDATED))  in sanitize_state()
920 		if (ns.conn == C_SYNC_SOURCE)  in sanitize_state()
921 			ns.conn = C_PAUSED_SYNC_S;  in sanitize_state()
922 		if (ns.conn == C_SYNC_TARGET)  in sanitize_state()
923 			ns.conn = C_PAUSED_SYNC_T;  in sanitize_state()
925 		if (ns.conn == C_PAUSED_SYNC_S)  in sanitize_state()
926 			ns.conn = C_SYNC_SOURCE;  in sanitize_state()
927 		if (ns.conn == C_PAUSED_SYNC_T)  in sanitize_state()
928 			ns.conn = C_SYNC_TARGET;  in sanitize_state()
1037 	if (!is_sync_state(os.conn) && is_sync_state(ns.conn))  in __drbd_set_state()
1059 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn != C_WF_REPORT_PARAMS &&  in __drbd_set_state()
1071 	if ((os.conn == C_VERIFY_S || os.conn == C_VERIFY_T) &&  in __drbd_set_state()
1072 	    ns.conn <= C_CONNECTED) {  in __drbd_set_state()
1080 	if ((os.conn == C_PAUSED_SYNC_T || os.conn == C_PAUSED_SYNC_S) &&  in __drbd_set_state()
1081 	    (ns.conn == C_SYNC_TARGET  || ns.conn == C_SYNC_SOURCE)) {  in __drbd_set_state()
1085 		if (ns.conn == C_SYNC_TARGET)  in __drbd_set_state()
1089 	if ((os.conn == C_SYNC_TARGET  || os.conn == C_SYNC_SOURCE) &&  in __drbd_set_state()
1090 	    (ns.conn == C_PAUSED_SYNC_T || ns.conn == C_PAUSED_SYNC_S)) {  in __drbd_set_state()
1095 	if (os.conn == C_CONNECTED &&  in __drbd_set_state()
1096 	    (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T)) {  in __drbd_set_state()
1100 		set_ov_position(device, ns.conn);  in __drbd_set_state()
1113 		if (ns.conn == C_VERIFY_S) {  in __drbd_set_state()
1131 		if (device->state.conn > C_WF_REPORT_PARAMS)  in __drbd_set_state()
1154 	if (os.conn != C_DISCONNECTING && ns.conn == C_DISCONNECTING)  in __drbd_set_state()
1158 	if (os.conn != C_STANDALONE && ns.conn == C_STANDALONE)  in __drbd_set_state()
1162 	if (os.conn > C_WF_CONNECTION &&  in __drbd_set_state()
1163 	    ns.conn <= C_TEAR_DOWN && ns.conn >= C_TIMEOUT)  in __drbd_set_state()
1167 	if (os.conn < C_CONNECTED && ns.conn >= C_CONNECTED) {  in __drbd_set_state()
1214 		_drbd_request_state(device, NS(conn, C_CONNECTED), CS_VERBOSE);  in abw_start_sync()
1218 	switch (device->state.conn) {  in abw_start_sync()
1220 		_drbd_request_state(device, NS(conn, C_WF_SYNC_UUID), CS_VERBOSE);  in abw_start_sync()
1288 		if (os.conn < C_CONNECTED && conn_lowest_conn(connection) >= C_CONNECTED)  in after_state_ch()
1329 	if ((os.conn != C_SYNC_SOURCE && os.conn != C_PAUSED_SYNC_S) &&  in after_state_ch()
1330 	    (ns.conn == C_SYNC_SOURCE || ns.conn == C_PAUSED_SYNC_S) &&  in after_state_ch()
1352 	if (os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S &&  in after_state_ch()
1353 	    device->state.conn == C_WF_BITMAP_S)  in after_state_ch()
1399 		device->state.conn <= C_CONNECTED && get_ldev(device)) {  in after_state_ch()
1408 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1416 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1428 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn >= C_CONNECTED)  in after_state_ch()
1431 	if (os.conn != C_AHEAD && ns.conn == C_AHEAD)  in after_state_ch()
1435 	if ((os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in after_state_ch()
1436 	    (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S))  in after_state_ch()
1485 			if (ns.conn >= C_CONNECTED)  in after_state_ch()
1509 		if (ns.conn >= C_CONNECTED)  in after_state_ch()
1517 	if (os.disk == D_UP_TO_DATE && ns.disk == D_INCONSISTENT && ns.conn >= C_CONNECTED)  in after_state_ch()
1523 		if (ns.conn == C_CONNECTED)  in after_state_ch()
1528 	if ((os.conn > C_CONNECTED && ns.conn <= C_CONNECTED) ||  in after_state_ch()
1535 	if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED)  in after_state_ch()
1541 	if (os.conn == C_VERIFY_S && ns.conn == C_CONNECTED  in after_state_ch()
1552 	if (os.conn > C_CONNECTED && ns.conn <= C_CONNECTED && get_ldev(device)) {  in after_state_ch()
1559 	    ns.conn == C_STANDALONE &&  in after_state_ch()
1590 	if (oc == C_STANDALONE && ns_max.conn == C_UNCONNECTED)  in w_after_conn_state_ch()
1593 	if (oc == C_DISCONNECTING && ns_max.conn == C_STANDALONE) {  in w_after_conn_state_ch()
1644 		  .conn = connection->cstate,  in conn_old_common_state()
1666 		if (cs.conn != os.conn)  in conn_old_common_state()
1733 		  .conn = val.conn,  in conn_set_state()
1741 	if (mask.conn == C_MASK) {  in conn_set_state()
1745 		if (connection->cstate != C_WF_REPORT_PARAMS && val.conn == C_WF_REPORT_PARAMS)  in conn_set_state()
1748 		connection->cstate = val.conn;  in conn_set_state()
1769 		ns_max.conn = max_t(enum drbd_conns, ns.conn, ns_max.conn);  in conn_set_state()
1775 		ns_min.conn = min_t(enum drbd_conns, ns.conn, ns_min.conn);  in conn_set_state()
1785 				.conn = val.conn,  in conn_set_state()
1827 	if (mask.conn) {  in _conn_request_state()
1828 		rv = is_valid_conn_transition(oc, val.conn);  in _conn_request_state()
1837 	if (oc == C_WF_REPORT_PARAMS && val.conn == C_DISCONNECTING &&  in _conn_request_state()
1856 		if (val.conn == C_DISCONNECTING)  in _conn_request_state()
1878 		acscw->oc = os.conn;  in _conn_request_state()
1902 		drbd_err(connection, " old_conn:%s wanted_conn:%s\n", drbd_conn_str(oc), drbd_conn_str(val.conn));  in _conn_request_state()