75 		    mdev->state.conn != C_STANDALONE ||  in conn_all_vols_unconf()
177 	enum drbd_conns conn = C_MASK;  in conn_lowest_conn()  local
183 		conn = min_t(enum drbd_conns, conn, mdev->state.conn);  in conn_lowest_conn()
186 	return conn;  in conn_lowest_conn()
197 		if (mdev->state.conn == C_WF_REPORT_PARAMS) {  in no_peer_wf_report_params()
216 	return (os.conn >= C_CONNECTED && ns.conn >= C_CONNECTED &&  in cl_wide_st_chg()
218 		  (os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in cl_wide_st_chg()
219 		  (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S) ||  in cl_wide_st_chg()
221 		(os.conn >= C_CONNECTED && ns.conn == C_DISCONNECTING) ||  in cl_wide_st_chg()
222 		(os.conn == C_CONNECTED && ns.conn == C_VERIFY_S) ||  in cl_wide_st_chg()
223 		(os.conn == C_CONNECTED && ns.conn == C_WF_REPORT_PARAMS);  in cl_wide_st_chg()
405 	    drbd_conn_str(ns.conn),  in print_st()
444 	if (ns.conn != os.conn && flags & CS_DC_CONN)  in print_state_change()
446 			       drbd_conn_str(os.conn),  in print_state_change()
447 			       drbd_conn_str(ns.conn));  in print_state_change()
539 	else if (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.disk < D_UP_TO_DATE)  in is_valid_state()
543 		 ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk >= D_UNKNOWN)  in is_valid_state()
549 	else if (ns.conn > C_CONNECTED && ns.disk < D_INCONSISTENT)  in is_valid_state()
552 	else if (ns.conn > C_CONNECTED && ns.pdsk < D_INCONSISTENT)  in is_valid_state()
555 	else if (ns.conn > C_CONNECTED && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)  in is_valid_state()
558 	else if ((ns.conn == C_CONNECTED ||  in is_valid_state()
559 		  ns.conn == C_WF_BITMAP_S ||  in is_valid_state()
560 		  ns.conn == C_SYNC_SOURCE ||  in is_valid_state()
561 		  ns.conn == C_PAUSED_SYNC_S) &&  in is_valid_state()
565 	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
569 	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
576 	else if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_state()
580 	else if (ns.conn >= C_CONNECTED && ns.pdsk == D_UNKNOWN)  in is_valid_state()
601 	if ((ns.conn == C_STARTING_SYNC_T || ns.conn == C_STARTING_SYNC_S) &&  in is_valid_soft_transition()
602 	    os.conn > C_CONNECTED)  in is_valid_soft_transition()
605 	if (ns.conn == C_DISCONNECTING && os.conn == C_STANDALONE)  in is_valid_soft_transition()
611 	if (ns.conn == C_WF_CONNECTION && os.conn < C_UNCONNECTED)  in is_valid_soft_transition()
617 	if (ns.conn == C_DISCONNECTING && os.conn == C_UNCONNECTED)  in is_valid_soft_transition()
626 	    !(os.conn == C_WF_REPORT_PARAMS ||  in is_valid_soft_transition()
627 	      (ns.conn == C_WF_REPORT_PARAMS && os.conn == C_WF_CONNECTION)))  in is_valid_soft_transition()
630 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && os.conn < C_CONNECTED)  in is_valid_soft_transition()
633 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_soft_transition()
634 	    ns.conn != os.conn && os.conn > C_CONNECTED)  in is_valid_soft_transition()
637 	if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_soft_transition()
638 	    os.conn < C_CONNECTED)  in is_valid_soft_transition()
641 	if ((ns.conn == C_SYNC_TARGET || ns.conn == C_SYNC_SOURCE)  in is_valid_soft_transition()
642 	    && os.conn < C_WF_REPORT_PARAMS)  in is_valid_soft_transition()
645 	if (ns.conn == C_DISCONNECTING && ns.pdsk == D_OUTDATED &&  in is_valid_soft_transition()
646 	    os.conn < C_CONNECTED && os.pdsk > D_OUTDATED)  in is_valid_soft_transition()
697 	rv = is_valid_conn_transition(os.conn, ns.conn);  in is_valid_transition()
749 	if (ns.conn < C_CONNECTED) {  in sanitize_state()
757 	if (ns.conn == C_STANDALONE && ns.disk == D_DISKLESS && ns.role == R_SECONDARY)  in sanitize_state()
762 	if (ns.conn > C_CONNECTED && (ns.disk <= D_FAILED || ns.pdsk <= D_FAILED)) {  in sanitize_state()
764 			*warn = ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T ?  in sanitize_state()
766 		ns.conn = C_CONNECTED;  in sanitize_state()
770 	if (ns.conn < C_CONNECTED && ns.disk == D_NEGOTIATING &&  in sanitize_state()
785 	if (ns.conn >= C_CONNECTED && ns.conn < C_AHEAD) {  in sanitize_state()
797 	switch ((enum drbd_conns)ns.conn) {  in sanitize_state()
873 	    (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk > D_OUTDATED))  in sanitize_state()
881 		if (ns.conn == C_SYNC_SOURCE)  in sanitize_state()
882 			ns.conn = C_PAUSED_SYNC_S;  in sanitize_state()
883 		if (ns.conn == C_SYNC_TARGET)  in sanitize_state()
884 			ns.conn = C_PAUSED_SYNC_T;  in sanitize_state()
886 		if (ns.conn == C_PAUSED_SYNC_S)  in sanitize_state()
887 			ns.conn = C_SYNC_SOURCE;  in sanitize_state()
888 		if (ns.conn == C_PAUSED_SYNC_T)  in sanitize_state()
889 			ns.conn = C_SYNC_TARGET;  in sanitize_state()
1011 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn != C_WF_REPORT_PARAMS &&  in __drbd_set_state()
1021 	if ((os.conn == C_VERIFY_S || os.conn == C_VERIFY_T) &&  in __drbd_set_state()
1022 	    ns.conn <= C_CONNECTED) {  in __drbd_set_state()
1030 	if ((os.conn == C_PAUSED_SYNC_T || os.conn == C_PAUSED_SYNC_S) &&  in __drbd_set_state()
1031 	    (ns.conn == C_SYNC_TARGET  || ns.conn == C_SYNC_SOURCE)) {  in __drbd_set_state()
1035 		if (ns.conn == C_SYNC_TARGET)  in __drbd_set_state()
1039 	if ((os.conn == C_SYNC_TARGET  || os.conn == C_SYNC_SOURCE) &&  in __drbd_set_state()
1040 	    (ns.conn == C_PAUSED_SYNC_T || ns.conn == C_PAUSED_SYNC_S)) {  in __drbd_set_state()
1045 	if (os.conn == C_CONNECTED &&  in __drbd_set_state()
1046 	    (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T)) {  in __drbd_set_state()
1050 		set_ov_position(mdev, ns.conn);  in __drbd_set_state()
1064 		if (ns.conn == C_VERIFY_S) {  in __drbd_set_state()
1082 		if (mdev->state.conn > C_WF_REPORT_PARAMS)  in __drbd_set_state()
1105 	if (os.conn != C_DISCONNECTING && ns.conn == C_DISCONNECTING)  in __drbd_set_state()
1109 	if (os.conn != C_STANDALONE && ns.conn == C_STANDALONE)  in __drbd_set_state()
1113 	if (os.conn > C_WF_CONNECTION &&  in __drbd_set_state()
1114 	    ns.conn <= C_TEAR_DOWN && ns.conn >= C_TIMEOUT)  in __drbd_set_state()
1118 	if (os.conn < C_CONNECTED && ns.conn >= C_CONNECTED)  in __drbd_set_state()
1164 		_drbd_request_state(mdev, NS(conn, C_CONNECTED), CS_VERBOSE);  in abw_start_sync()
1168 	switch (mdev->state.conn) {  in abw_start_sync()
1170 		_drbd_request_state(mdev, NS(conn, C_WF_SYNC_UUID), CS_VERBOSE);  in abw_start_sync()
1214 	if (os.conn != C_CONNECTED && ns.conn == C_CONNECTED) {  in after_state_ch()
1235 		if (os.conn < C_CONNECTED && conn_lowest_conn(tconn) >= C_CONNECTED)  in after_state_ch()
1278 	if ((os.conn != C_SYNC_SOURCE && os.conn != C_PAUSED_SYNC_S) &&  in after_state_ch()
1279 	    (ns.conn == C_SYNC_SOURCE || ns.conn == C_PAUSED_SYNC_S) &&  in after_state_ch()
1301 	if (os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S &&  in after_state_ch()
1302 	    mdev->state.conn == C_WF_BITMAP_S)  in after_state_ch()
1348 		mdev->state.conn <= C_CONNECTED && get_ldev(mdev)) {  in after_state_ch()
1357 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1365 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1377 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn >= C_CONNECTED)  in after_state_ch()
1380 	if (os.conn != C_AHEAD && ns.conn == C_AHEAD)  in after_state_ch()
1384 	if ((os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in after_state_ch()
1385 	    (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S))  in after_state_ch()
1434 			if (ns.conn >= C_CONNECTED)  in after_state_ch()
1458 		if (ns.conn >= C_CONNECTED)  in after_state_ch()
1466 	if (os.disk == D_UP_TO_DATE && ns.disk == D_INCONSISTENT && ns.conn >= C_CONNECTED)  in after_state_ch()
1472 		if (ns.conn == C_CONNECTED)  in after_state_ch()
1477 	if ((os.conn > C_CONNECTED && ns.conn <= C_CONNECTED) ||  in after_state_ch()
1484 	if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED)  in after_state_ch()
1490 	if (os.conn == C_VERIFY_S && ns.conn == C_CONNECTED  in after_state_ch()
1501 	if (os.conn > C_CONNECTED && ns.conn <= C_CONNECTED && get_ldev(mdev)) {  in after_state_ch()
1508 	    ns.conn == C_STANDALONE &&  in after_state_ch()
1538 	if (oc == C_STANDALONE && ns_max.conn == C_UNCONNECTED)  in w_after_conn_state_ch()
1541 	if (oc == C_DISCONNECTING && ns_max.conn == C_STANDALONE) {  in w_after_conn_state_ch()
1591 		  .conn = tconn->cstate,  in conn_old_common_state()
1612 		if (cs.conn != os.conn)  in conn_old_common_state()
1679 		  .conn = val.conn,  in conn_set_state()
1687 	if (mask.conn == C_MASK) {  in conn_set_state()
1691 		if (tconn->cstate != C_WF_REPORT_PARAMS && val.conn == C_WF_REPORT_PARAMS)  in conn_set_state()
1694 		tconn->cstate = val.conn;  in conn_set_state()
1714 		ns_max.conn = max_t(enum drbd_conns, ns.conn, ns_max.conn);  in conn_set_state()
1720 		ns_min.conn = min_t(enum drbd_conns, ns.conn, ns_min.conn);  in conn_set_state()
1730 				.conn = val.conn,  in conn_set_state()
1772 	if (mask.conn) {  in _conn_request_state()
1773 		rv = is_valid_conn_transition(oc, val.conn);  in _conn_request_state()
1782 	if (oc == C_WF_REPORT_PARAMS && val.conn == C_DISCONNECTING &&  in _conn_request_state()
1801 		if (val.conn == C_DISCONNECTING)  in _conn_request_state()
1823 		acscw->oc = os.conn;  in _conn_request_state()
1847 		conn_err(tconn, " old_conn:%s wanted_conn:%s\n", drbd_conn_str(oc), drbd_conn_str(val.conn));  in _conn_request_state()