26 	union drbd_state ns;  member
281 			   union drbd_state ns, enum chg_state_flags flags,
285 static enum drbd_state_rv is_valid_transition(union drbd_state os, union drbd_state ns);
287 				       union drbd_state ns, enum sanitize_state_warnings *warn);
465  * @ns:		new (wanted) state.
468 			  union drbd_state os, union drbd_state ns)  in cl_wide_st_chg()  argument
470 	return (os.conn >= C_CONNECTED && ns.conn >= C_CONNECTED &&  in cl_wide_st_chg()
471 		 ((os.role != R_PRIMARY && ns.role == R_PRIMARY) ||  in cl_wide_st_chg()
472 		  (os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in cl_wide_st_chg()
473 		  (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S) ||  in cl_wide_st_chg()
474 		  (os.disk != D_FAILED && ns.disk == D_FAILED))) ||  in cl_wide_st_chg()
475 		(os.conn >= C_CONNECTED && ns.conn == C_DISCONNECTING) ||  in cl_wide_st_chg()
476 		(os.conn == C_CONNECTED && ns.conn == C_VERIFY_S) ||  in cl_wide_st_chg()
477 		(os.conn == C_CONNECTED && ns.conn == C_WF_REPORT_PARAMS);  in cl_wide_st_chg()
483 	union drbd_state ns;  in apply_mask_val()  local
484 	ns.i = (os.i & ~mask.i) | val.i;  in apply_mask_val()
485 	return ns;  in apply_mask_val()
493 	union drbd_state ns;  in drbd_change_state()  local
497 	ns = apply_mask_val(drbd_read_state(device), mask, val);  in drbd_change_state()
498 	rv = _drbd_set_state(device, ns, f, NULL);  in drbd_change_state()
520 	union drbd_state os, ns;  in _req_st_cond()  local
532 	ns = sanitize_state(device, os, apply_mask_val(os, mask, val), NULL);  in _req_st_cond()
533 	rv = is_valid_transition(os, ns);  in _req_st_cond()
537 	if (!cl_wide_st_chg(device, os, ns))  in _req_st_cond()
540 		rv = is_valid_state(device, ns);  in _req_st_cond()
542 			rv = is_valid_soft_transition(os, ns, first_peer_device(device)->connection);  in _req_st_cond()
568 	union drbd_state os, ns;  in drbd_req_state()  local
581 	ns = sanitize_state(device, os, apply_mask_val(os, mask, val), NULL);  in drbd_req_state()
582 	rv = is_valid_transition(os, ns);  in drbd_req_state()
588 	if (cl_wide_st_chg(device, os, ns)) {  in drbd_req_state()
589 		rv = is_valid_state(device, ns);  in drbd_req_state()
591 			rv = is_valid_soft_transition(os, ns, first_peer_device(device)->connection);  in drbd_req_state()
596 				print_st_err(device, os, ns, rv);  in drbd_req_state()
603 				print_st_err(device, os, ns, rv);  in drbd_req_state()
612 				print_st_err(device, os, ns, rv);  in drbd_req_state()
616 		ns = apply_mask_val(drbd_read_state(device), mask, val);  in drbd_req_state()
617 		rv = _drbd_set_state(device, ns, f, &done);  in drbd_req_state()
619 		rv = _drbd_set_state(device, ns, f, &done);  in drbd_req_state()
675 	return drbd_req_state(device, NS(disk, D_FAILED),  in request_detach()
715 static void print_st(struct drbd_device *device, const char *name, union drbd_state ns)  in print_st()  argument
719 	    drbd_conn_str(ns.conn),  in print_st()
720 	    drbd_role_str(ns.role),  in print_st()
721 	    drbd_role_str(ns.peer),  in print_st()
722 	    drbd_disk_str(ns.disk),  in print_st()
723 	    drbd_disk_str(ns.pdsk),  in print_st()
724 	    is_susp(ns) ? 's' : 'r',  in print_st()
725 	    ns.aftr_isp ? 'a' : '-',  in print_st()
726 	    ns.peer_isp ? 'p' : '-',  in print_st()
727 	    ns.user_isp ? 'u' : '-',  in print_st()
728 	    ns.susp_fen ? 'F' : '-',  in print_st()
729 	    ns.susp_nod ? 'N' : '-'  in print_st()
734 	          union drbd_state ns, enum drbd_state_rv err)  in print_st_err()  argument
740 	print_st(device, "wanted", ns);  in print_st_err()
743 static long print_state_change(char *pb, union drbd_state os, union drbd_state ns,  in print_state_change()  argument
750 	if (ns.role != os.role && flags & CS_DC_ROLE)  in print_state_change()
753 			       drbd_role_str(ns.role));  in print_state_change()
754 	if (ns.peer != os.peer && flags & CS_DC_PEER)  in print_state_change()
757 			       drbd_role_str(ns.peer));  in print_state_change()
758 	if (ns.conn != os.conn && flags & CS_DC_CONN)  in print_state_change()
761 			       drbd_conn_str(ns.conn));  in print_state_change()
762 	if (ns.disk != os.disk && flags & CS_DC_DISK)  in print_state_change()
765 			       drbd_disk_str(ns.disk));  in print_state_change()
766 	if (ns.pdsk != os.pdsk && flags & CS_DC_PDSK)  in print_state_change()
769 			       drbd_disk_str(ns.pdsk));  in print_state_change()
774 …tic void drbd_pr_state_change(struct drbd_device *device, union drbd_state os, union drbd_state ns,  in drbd_pr_state_change()  argument
780 	pbp += print_state_change(pbp, os, ns, flags ^ CS_DC_MASK);  in drbd_pr_state_change()
782 	if (ns.aftr_isp != os.aftr_isp)  in drbd_pr_state_change()
785 			       ns.aftr_isp);  in drbd_pr_state_change()
786 	if (ns.peer_isp != os.peer_isp)  in drbd_pr_state_change()
789 			       ns.peer_isp);  in drbd_pr_state_change()
790 	if (ns.user_isp != os.user_isp)  in drbd_pr_state_change()
793 			       ns.user_isp);  in drbd_pr_state_change()
799 … conn_pr_state_change(struct drbd_connection *connection, union drbd_state os, union drbd_state ns,  in conn_pr_state_change()  argument
805 	pbp += print_state_change(pbp, os, ns, flags);  in conn_pr_state_change()
807 	if (is_susp(ns) != is_susp(os) && flags & CS_DC_SUSP)  in conn_pr_state_change()
810 			       is_susp(ns));  in conn_pr_state_change()
818  * is_valid_state() - Returns an SS_ error code if ns is not valid
820  * @ns:		State to consider.
823 is_valid_state(struct drbd_device *device, union drbd_state ns)  in is_valid_state()  argument
840 		if (!nc->two_primaries && ns.role == R_PRIMARY) {  in is_valid_state()
841 			if (ns.peer == R_PRIMARY)  in is_valid_state()
850 	else if (ns.role == R_SECONDARY && device->open_cnt)  in is_valid_state()
853 	else if (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.disk < D_UP_TO_DATE)  in is_valid_state()
857 		 ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk >= D_UNKNOWN)  in is_valid_state()
860 	else if (ns.role == R_PRIMARY && ns.disk <= D_INCONSISTENT && ns.pdsk <= D_INCONSISTENT)  in is_valid_state()
863 	else if (ns.conn > C_CONNECTED && ns.disk < D_INCONSISTENT)  in is_valid_state()
866 	else if (ns.conn > C_CONNECTED && ns.pdsk < D_INCONSISTENT)  in is_valid_state()
869 	else if (ns.conn > C_CONNECTED && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)  in is_valid_state()
872 	else if ((ns.conn == C_CONNECTED ||  in is_valid_state()
873 		  ns.conn == C_WF_BITMAP_S ||  in is_valid_state()
874 		  ns.conn == C_SYNC_SOURCE ||  in is_valid_state()
875 		  ns.conn == C_PAUSED_SYNC_S) &&  in is_valid_state()
876 		  ns.disk == D_OUTDATED)  in is_valid_state()
879 	else if (nc && (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
883 	else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_state()
887 	else if (ns.role == R_PRIMARY && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE)  in is_valid_state()
890 	else if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_state()
891                  ns.pdsk == D_UNKNOWN)  in is_valid_state()
894 	else if (ns.conn >= C_CONNECTED && ns.pdsk == D_UNKNOWN)  in is_valid_state()
908  * @ns:		new state.
912 is_valid_soft_transition(union drbd_state os, union drbd_state ns, struct drbd_connection *connecti…  in is_valid_soft_transition()  argument
916 	if ((ns.conn == C_STARTING_SYNC_T || ns.conn == C_STARTING_SYNC_S) &&  in is_valid_soft_transition()
920 	if (ns.conn == C_DISCONNECTING && os.conn == C_STANDALONE)  in is_valid_soft_transition()
923 	if (ns.disk > D_ATTACHING && os.disk == D_DISKLESS)  in is_valid_soft_transition()
926 	if (ns.conn == C_WF_CONNECTION && os.conn < C_UNCONNECTED)  in is_valid_soft_transition()
929 	if (ns.disk == D_OUTDATED && os.disk < D_OUTDATED && os.disk != D_ATTACHING)  in is_valid_soft_transition()
932 	if (ns.conn == C_DISCONNECTING && os.conn == C_UNCONNECTED)  in is_valid_soft_transition()
938 	    !((ns.conn == C_WF_REPORT_PARAMS && os.conn == C_WF_CONNECTION) ||  in is_valid_soft_transition()
939 	      (ns.conn >= C_CONNECTED && os.conn == C_WF_REPORT_PARAMS)))  in is_valid_soft_transition()
945 	if (os.role != R_PRIMARY && ns.role == R_PRIMARY  in is_valid_soft_transition()
946 		&& ns.pdsk == D_UP_TO_DATE  in is_valid_soft_transition()
947 		&& ns.disk != D_UP_TO_DATE && ns.disk != D_DISKLESS  in is_valid_soft_transition()
948 		&& (ns.conn <= C_WF_SYNC_UUID || ns.conn != os.conn))  in is_valid_soft_transition()
951 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && os.conn < C_CONNECTED)  in is_valid_soft_transition()
954 	if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) &&  in is_valid_soft_transition()
955 	    ns.conn != os.conn && os.conn > C_CONNECTED)  in is_valid_soft_transition()
958 	if ((ns.conn == C_STARTING_SYNC_S || ns.conn == C_STARTING_SYNC_T) &&  in is_valid_soft_transition()
962 	if ((ns.conn == C_SYNC_TARGET || ns.conn == C_SYNC_SOURCE)  in is_valid_soft_transition()
966 	if (ns.conn == C_DISCONNECTING && ns.pdsk == D_OUTDATED &&  in is_valid_soft_transition()
1010  * @ns:		new state.
1014 is_valid_transition(union drbd_state os, union drbd_state ns)  in is_valid_transition()  argument
1018 	rv = is_valid_conn_transition(os.conn, ns.conn);  in is_valid_transition()
1021 	if (ns.disk == D_FAILED && os.disk == D_DISKLESS)  in is_valid_transition()
1046  * @ns:		new state.
1053 				       union drbd_state ns, enum sanitize_state_warnings *warn)  in sanitize_state()  argument
1070 	if (ns.conn < C_CONNECTED) {  in sanitize_state()
1071 		ns.peer_isp = 0;  in sanitize_state()
1072 		ns.peer = R_UNKNOWN;  in sanitize_state()
1073 		if (ns.pdsk > D_UNKNOWN || ns.pdsk < D_INCONSISTENT)  in sanitize_state()
1074 			ns.pdsk = D_UNKNOWN;  in sanitize_state()
1078 	if (ns.conn == C_STANDALONE && ns.disk == D_DISKLESS && ns.role == R_SECONDARY)  in sanitize_state()
1079 		ns.aftr_isp = 0;  in sanitize_state()
1083 	if (ns.conn > C_CONNECTED && (ns.disk <= D_FAILED || ns.pdsk <= D_FAILED)) {  in sanitize_state()
1085 			*warn = ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T ?  in sanitize_state()
1087 		ns.conn = C_CONNECTED;  in sanitize_state()
1091 	if (ns.conn < C_CONNECTED && ns.disk == D_NEGOTIATING &&  in sanitize_state()
1094 			ns.disk = device->new_state_tmp.disk;  in sanitize_state()
1095 			ns.pdsk = device->new_state_tmp.pdsk;  in sanitize_state()
1099 			ns.disk = D_DISKLESS;  in sanitize_state()
1100 			ns.pdsk = D_UNKNOWN;  in sanitize_state()
1106 	if (ns.conn >= C_CONNECTED && ns.conn < C_AHEAD) {  in sanitize_state()
1107 		if (ns.disk == D_CONSISTENT || ns.disk == D_OUTDATED)  in sanitize_state()
1108 			ns.disk = D_UP_TO_DATE;  in sanitize_state()
1109 		if (ns.pdsk == D_CONSISTENT || ns.pdsk == D_OUTDATED)  in sanitize_state()
1110 			ns.pdsk = D_UP_TO_DATE;  in sanitize_state()
1118 	switch ((enum drbd_conns)ns.conn) {  in sanitize_state()
1176 	if (ns.disk > disk_max)  in sanitize_state()
1177 		ns.disk = disk_max;  in sanitize_state()
1179 	if (ns.disk < disk_min) {  in sanitize_state()
1182 		ns.disk = disk_min;  in sanitize_state()
1184 	if (ns.pdsk > pdsk_max)  in sanitize_state()
1185 		ns.pdsk = pdsk_max;  in sanitize_state()
1187 	if (ns.pdsk < pdsk_min) {  in sanitize_state()
1190 		ns.pdsk = pdsk_min;  in sanitize_state()
1194 	    (ns.role == R_PRIMARY && ns.conn < C_CONNECTED && ns.pdsk > D_OUTDATED) &&  in sanitize_state()
1196 		ns.susp_fen = 1; /* Suspend IO while fence-peer handler runs (peer lost) */  in sanitize_state()
1199 	    (ns.role == R_PRIMARY && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE) &&  in sanitize_state()
1201 		ns.susp_nod = 1; /* Suspend IO while no data available (no accessible data available) */  in sanitize_state()
1203 	if (ns.aftr_isp || ns.peer_isp || ns.user_isp) {  in sanitize_state()
1204 		if (ns.conn == C_SYNC_SOURCE)  in sanitize_state()
1205 			ns.conn = C_PAUSED_SYNC_S;  in sanitize_state()
1206 		if (ns.conn == C_SYNC_TARGET)  in sanitize_state()
1207 			ns.conn = C_PAUSED_SYNC_T;  in sanitize_state()
1209 		if (ns.conn == C_PAUSED_SYNC_S)  in sanitize_state()
1210 			ns.conn = C_SYNC_SOURCE;  in sanitize_state()
1211 		if (ns.conn == C_PAUSED_SYNC_T)  in sanitize_state()
1212 			ns.conn = C_SYNC_TARGET;  in sanitize_state()
1215 	return ns;  in sanitize_state()
1256  * @ns:		new state.
1263 _drbd_set_state(struct drbd_device *device, union drbd_state ns,  in _drbd_set_state()  argument
1276 	ns = sanitize_state(device, os, ns, &ssw);  in _drbd_set_state()
1277 	if (ns.i == os.i)  in _drbd_set_state()
1280 	rv = is_valid_transition(os, ns);  in _drbd_set_state()
1285 		/*  pre-state-change checks ; only look at ns  */  in _drbd_set_state()
1288 		rv = is_valid_state(device, ns);  in _drbd_set_state()
1294 				rv = is_valid_soft_transition(os, ns, connection);  in _drbd_set_state()
1296 			rv = is_valid_soft_transition(os, ns, connection);  in _drbd_set_state()
1301 			print_st_err(device, os, ns, rv);  in _drbd_set_state()
1307 	drbd_pr_state_change(device, os, ns, flags);  in _drbd_set_state()
1313 		conn_pr_state_change(connection, os, ns,  in _drbd_set_state()
1320 	if ((os.disk != D_FAILED && ns.disk == D_FAILED) ||  in _drbd_set_state()
1321 	    (os.disk != D_DISKLESS && ns.disk == D_DISKLESS))  in _drbd_set_state()
1324 	if (!is_sync_state(os.conn) && is_sync_state(ns.conn))  in _drbd_set_state()
1334 	device->state.i = ns.i;  in _drbd_set_state()
1335 	device->resource->susp = ns.susp;  in _drbd_set_state()
1336 	device->resource->susp_nod = ns.susp_nod;  in _drbd_set_state()
1337 	device->resource->susp_fen = ns.susp_fen;  in _drbd_set_state()
1344 	    drbd_should_do_remote((union drbd_dev_state)ns.i))  in _drbd_set_state()
1347 	if (os.disk == D_ATTACHING && ns.disk >= D_NEGOTIATING)  in _drbd_set_state()
1351 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn != C_WF_REPORT_PARAMS &&  in _drbd_set_state()
1364 	    ns.conn <= C_CONNECTED) {  in _drbd_set_state()
1373 	    (ns.conn == C_SYNC_TARGET  || ns.conn == C_SYNC_SOURCE)) {  in _drbd_set_state()
1377 		if (ns.conn == C_SYNC_TARGET)  in _drbd_set_state()
1382 	    (ns.conn == C_PAUSED_SYNC_T || ns.conn == C_PAUSED_SYNC_S)) {  in _drbd_set_state()
1388 	    (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T)) {  in _drbd_set_state()
1392 		set_ov_position(peer_device, ns.conn);  in _drbd_set_state()
1405 		if (ns.conn == C_VERIFY_S) {  in _drbd_set_state()
1435 		if (os.disk < D_CONSISTENT && ns.disk >= D_CONSISTENT)  in _drbd_set_state()
1442 	    os.peer == R_SECONDARY && ns.peer == R_PRIMARY)  in _drbd_set_state()
1446 	if (os.conn != C_DISCONNECTING && ns.conn == C_DISCONNECTING)  in _drbd_set_state()
1450 	if (os.conn != C_STANDALONE && ns.conn == C_STANDALONE)  in _drbd_set_state()
1455 	    ns.conn <= C_TEAR_DOWN && ns.conn >= C_TIMEOUT)  in _drbd_set_state()
1459 	if (os.conn < C_CONNECTED && ns.conn >= C_CONNECTED) {  in _drbd_set_state()
1468 	    ns.disk > D_NEGOTIATING)  in _drbd_set_state()
1474 		ascw->ns = ns;  in _drbd_set_state()
1495 	after_state_ch(device, ascw->os, ascw->ns, ascw->flags, ascw->state_change);  in w_after_state_ch()
1508 		_drbd_request_state(device, NS(conn, C_CONNECTED), CS_VERBOSE);  in abw_start_sync()
1514 		_drbd_request_state(device, NS(conn, C_WF_SYNC_UUID), CS_VERBOSE);  in abw_start_sync()
1681 static bool lost_contact_to_peer_data(enum drbd_disk_state os, enum drbd_disk_state ns)  in lost_contact_to_peer_data()  argument
1684 	&&  (ns < D_INCONSISTENT || ns == D_UNKNOWN || ns == D_OUTDATED))  in lost_contact_to_peer_data()
1694 	&&  (ns == D_DISKLESS || ns == D_FAILED || ns == D_OUTDATED))  in lost_contact_to_peer_data()
1704  * @ns:		new state.
1709 			   union drbd_state ns, enum chg_state_flags flags,  in after_state_ch()  argument
1721 	sib.ns = ns;  in after_state_ch()
1724 	&&  (ns.disk == D_UP_TO_DATE && ns.pdsk == D_UP_TO_DATE)) {  in after_state_ch()
1734 	    (ns.role == R_PRIMARY && ns.disk < D_UP_TO_DATE && ns.pdsk < D_UP_TO_DATE))  in after_state_ch()
1740 	if (ns.susp_nod) {  in after_state_ch()
1761 	if (ns.susp_fen) {  in after_state_ch()
1793 	    (ns.conn == C_SYNC_SOURCE || ns.conn == C_PAUSED_SYNC_S) &&  in after_state_ch()
1801 	    ns.pdsk > D_DISKLESS && ns.pdsk != D_UNKNOWN) {      /* attach on the peer */  in after_state_ch()
1810 		drbd_send_state(peer_device, ns);  in after_state_ch()
1815 	if (os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S &&  in after_state_ch()
1822 	if (lost_contact_to_peer_data(os.pdsk, ns.pdsk)) {  in after_state_ch()
1824 			if ((ns.role == R_PRIMARY || ns.peer == R_PRIMARY) &&  in after_state_ch()
1825 			    device->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE) {  in after_state_ch()
1837 	if (ns.pdsk < D_INCONSISTENT && get_ldev(device)) {  in after_state_ch()
1838 		if (os.peer != R_PRIMARY && ns.peer == R_PRIMARY &&  in after_state_ch()
1839 		    device->ldev->md.uuid[UI_BITMAP] == 0 && ns.disk >= D_UP_TO_DATE) {  in after_state_ch()
1844 		if (os.peer == R_PRIMARY && ns.peer == R_SECONDARY)  in after_state_ch()
1856 	if (os.role == R_PRIMARY && ns.role == R_SECONDARY &&  in after_state_ch()
1866 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1867 	    os.disk == D_ATTACHING && ns.disk == D_NEGOTIATING) {  in after_state_ch()
1870 		drbd_send_state(peer_device, ns);  in after_state_ch()
1874 	if (ns.conn >= C_CONNECTED &&  in after_state_ch()
1875 	     ((os.aftr_isp != ns.aftr_isp) ||  in after_state_ch()
1876 	      (os.user_isp != ns.user_isp)))  in after_state_ch()
1877 		drbd_send_state(peer_device, ns);  in after_state_ch()
1881 	    (ns.aftr_isp || ns.peer_isp || ns.user_isp))  in after_state_ch()
1886 	if (os.conn == C_WF_REPORT_PARAMS && ns.conn >= C_CONNECTED)  in after_state_ch()
1887 		drbd_send_state(peer_device, ns);  in after_state_ch()
1889 	if (os.conn != C_AHEAD && ns.conn == C_AHEAD)  in after_state_ch()
1890 		drbd_send_state(peer_device, ns);  in after_state_ch()
1893 	if ((os.conn != C_STARTING_SYNC_T && ns.conn == C_STARTING_SYNC_T) ||  in after_state_ch()
1894 	    (os.conn != C_STARTING_SYNC_S && ns.conn == C_STARTING_SYNC_S))  in after_state_ch()
1903 	if (os.disk != D_FAILED && ns.disk == D_FAILED) {  in after_state_ch()
1948 			if (ns.conn >= C_CONNECTED)  in after_state_ch()
1949 				drbd_send_state(peer_device, ns);  in after_state_ch()
1964 	if (os.disk != D_DISKLESS && ns.disk == D_DISKLESS) {  in after_state_ch()
1972 		if (ns.conn >= C_CONNECTED)  in after_state_ch()
1973 			drbd_send_state(peer_device, ns);  in after_state_ch()
1980 	if (os.disk == D_UP_TO_DATE && ns.disk == D_INCONSISTENT && ns.conn >= C_CONNECTED)  in after_state_ch()
1981 		drbd_send_state(peer_device, ns);  in after_state_ch()
1984 	if (ns.disk > D_NEGOTIATING && ns.pdsk > D_NEGOTIATING &&  in after_state_ch()
1986 		if (ns.conn == C_CONNECTED)  in after_state_ch()
1991 	if ((os.conn > C_CONNECTED && ns.conn <= C_CONNECTED) ||  in after_state_ch()
1992 	    (os.peer_isp && !ns.peer_isp) ||  in after_state_ch()
1993 	    (os.user_isp && !ns.user_isp))  in after_state_ch()
1998 	if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED)  in after_state_ch()
1999 		drbd_send_state(peer_device, ns);  in after_state_ch()
2004 	if (os.conn == C_VERIFY_S && ns.conn == C_CONNECTED  in after_state_ch()
2006 		drbd_send_state(peer_device, ns);  in after_state_ch()
2020 	    (ns.conn == C_CONNECTED || ns.conn >= C_AHEAD) && get_ldev(device)) {  in after_state_ch()
2027 	if (ns.disk == D_DISKLESS &&  in after_state_ch()
2028 	    ns.conn == C_STANDALONE &&  in after_state_ch()
2029 	    ns.role == R_SECONDARY) {  in after_state_ch()
2030 		if (os.aftr_isp != ns.aftr_isp)  in after_state_ch()
2164 	union drbd_state ns, os;  in conn_is_valid_transition()  local
2172 		ns = sanitize_state(device, os, apply_mask_val(os, mask, val), NULL);  in conn_is_valid_transition()
2174 		if (flags & CS_IGN_OUTD_FAIL && ns.disk == D_OUTDATED && os.disk < D_OUTDATED)  in conn_is_valid_transition()
2175 			ns.disk = os.disk;  in conn_is_valid_transition()
2177 		if (ns.i == os.i)  in conn_is_valid_transition()
2180 		rv = is_valid_transition(os, ns);  in conn_is_valid_transition()
2183 			rv = is_valid_state(device, ns);  in conn_is_valid_transition()
2186 					rv = is_valid_soft_transition(os, ns, connection);  in conn_is_valid_transition()
2188 				rv = is_valid_soft_transition(os, ns, connection);  in conn_is_valid_transition()
2193 				print_st_err(device, os, ns, rv);  in conn_is_valid_transition()
2206 	union drbd_state ns, os, ns_max = { };  in conn_set_state()  local
2233 		ns = apply_mask_val(os, mask, val);  in conn_set_state()
2234 		ns = sanitize_state(device, os, ns, NULL);  in conn_set_state()
2236 		if (flags & CS_IGN_OUTD_FAIL && ns.disk == D_OUTDATED && os.disk < D_OUTDATED)  in conn_set_state()
2237 			ns.disk = os.disk;  in conn_set_state()
2239 		rv = _drbd_set_state(device, ns, flags, NULL);  in conn_set_state()
2241 		ns.i = device->state.i;  in conn_set_state()
2242 		ns_max.role = max_role(ns.role, ns_max.role);  in conn_set_state()
2243 		ns_max.peer = max_role(ns.peer, ns_max.peer);  in conn_set_state()
2244 		ns_max.conn = max_t(enum drbd_conns, ns.conn, ns_max.conn);  in conn_set_state()
2245 		ns_max.disk = max_t(enum drbd_disk_state, ns.disk, ns_max.disk);  in conn_set_state()
2246 		ns_max.pdsk = max_t(enum drbd_disk_state, ns.pdsk, ns_max.pdsk);  in conn_set_state()
2248 		ns_min.role = min_role(ns.role, ns_min.role);  in conn_set_state()
2249 		ns_min.peer = min_role(ns.peer, ns_min.peer);  in conn_set_state()
2250 		ns_min.conn = min_t(enum drbd_conns, ns.conn, ns_min.conn);  in conn_set_state()
2251 		ns_min.disk = min_t(enum drbd_disk_state, ns.disk, ns_min.disk);  in conn_set_state()
2252 		ns_min.pdsk = min_t(enum drbd_disk_state, ns.pdsk, ns_min.pdsk);  in conn_set_state()