191 void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,  in tl_release()  argument
199 	spin_lock_irq(&connection->resource->req_lock);  in tl_release()
203 	list_for_each_entry(r, &connection->transfer_log, tl_requests) {  in tl_release()
228 		drbd_err(connection, "BAD! BarrierAck #%u received, but no epoch in tl!?\n",  in tl_release()
233 		drbd_err(connection, "BAD! BarrierAck #%u received, expected #%u!\n",  in tl_release()
239 		drbd_err(connection, "BAD! BarrierAck #%u received with n_writes=%u, expected n_writes=%u!\n",  in tl_release()
248 	list_for_each_entry(req, &connection->transfer_log, tl_requests)  in tl_release()
251 	list_for_each_entry_safe_from(req, r, &connection->transfer_log, tl_requests) {  in tl_release()
256 	spin_unlock_irq(&connection->resource->req_lock);  in tl_release()
261 	spin_unlock_irq(&connection->resource->req_lock);  in tl_release()
262 	conn_request_state(connection, NS(conn, C_PROTOCOL_ERROR), CS_HARD);  in tl_release()
275 void _tl_restart(struct drbd_connection *connection, enum drbd_req_event what)  in _tl_restart()  argument
279 	list_for_each_entry_safe(req, r, &connection->transfer_log, tl_requests)  in _tl_restart()
283 void tl_restart(struct drbd_connection *connection, enum drbd_req_event what)  in tl_restart()  argument
285 	spin_lock_irq(&connection->resource->req_lock);  in tl_restart()
286 	_tl_restart(connection, what);  in tl_restart()
287 	spin_unlock_irq(&connection->resource->req_lock);  in tl_restart()
298 void tl_clear(struct drbd_connection *connection)  in tl_clear()  argument
300 	tl_restart(connection, CONNECTION_LOST_WHILE_PENDING);  in tl_clear()
309 	struct drbd_connection *connection = first_peer_device(device)->connection;  in tl_abort_disk_io()  local
312 	spin_lock_irq(&connection->resource->req_lock);  in tl_abort_disk_io()
313 	list_for_each_entry_safe(req, r, &connection->transfer_log, tl_requests) {  in tl_abort_disk_io()
320 	spin_unlock_irq(&connection->resource->req_lock);  in tl_abort_disk_io()
366 	if (thi->connection)  in drbd_thread_setup()
367 		kref_put(&thi->connection->kref, drbd_destroy_connection);  in drbd_thread_setup()
381 	thi->connection = NULL;  in drbd_thread_init()
408 		if (thi->connection)  in drbd_thread_start()
409 			kref_get(&thi->connection->kref);  in drbd_thread_start()
423 			if (thi->connection)  in drbd_thread_start()
424 				kref_put(&thi->connection->kref, drbd_destroy_connection);  in drbd_thread_start()
486 int conn_lowest_minor(struct drbd_connection *connection)  in conn_lowest_minor()  argument
492 	peer_device = idr_get_next(&connection->peer_devices, &vnr);  in conn_lowest_minor()
566 unsigned int drbd_header_size(struct drbd_connection *connection)  in drbd_header_size()  argument
568 	if (connection->agreed_pro_version >= 100) {  in drbd_header_size()
606 static unsigned int prepare_header(struct drbd_connection *connection, int vnr,  in prepare_header()  argument
609 	if (connection->agreed_pro_version >= 100)  in prepare_header()
611 	else if (connection->agreed_pro_version >= 95 &&  in prepare_header()
618 static void *__conn_prepare_command(struct drbd_connection *connection,  in __conn_prepare_command()  argument
623 	return sock->sbuf + drbd_header_size(connection);  in __conn_prepare_command()
626 void *conn_prepare_command(struct drbd_connection *connection, struct drbd_socket *sock)  in conn_prepare_command()  argument
631 	p = __conn_prepare_command(connection, sock);  in conn_prepare_command()
640 	return conn_prepare_command(peer_device->connection, sock);  in drbd_prepare_command()
643 static int __send_command(struct drbd_connection *connection, int vnr,  in __send_command()  argument
660 	header_size += prepare_header(connection, vnr, sock->sbuf, cmd,  in __send_command()
662 	err = drbd_send_all(connection, sock->socket, sock->sbuf, header_size,  in __send_command()
665 		err = drbd_send_all(connection, sock->socket, data, size, 0);  in __send_command()
674 static int __conn_send_command(struct drbd_connection *connection, struct drbd_socket *sock,  in __conn_send_command()  argument
678 	return __send_command(connection, 0, sock, cmd, header_size, data, size);  in __conn_send_command()
681 int conn_send_command(struct drbd_connection *connection, struct drbd_socket *sock,  in conn_send_command()  argument
687 	err = __conn_send_command(connection, sock, cmd, header_size, data, size);  in conn_send_command()
698 	err = __send_command(peer_device->connection, peer_device->device->vnr,  in drbd_send_command()
704 int drbd_send_ping(struct drbd_connection *connection)  in drbd_send_ping()  argument
708 	sock = &connection->meta;  in drbd_send_ping()
709 	if (!conn_prepare_command(connection, sock))  in drbd_send_ping()
711 	return conn_send_command(connection, sock, P_PING, 0, NULL, 0);  in drbd_send_ping()
714 int drbd_send_ping_ack(struct drbd_connection *connection)  in drbd_send_ping_ack()  argument
718 	sock = &connection->meta;  in drbd_send_ping_ack()
719 	if (!conn_prepare_command(connection, sock))  in drbd_send_ping_ack()
721 	return conn_send_command(connection, sock, P_PING_ACK, 0, NULL, 0);  in drbd_send_ping_ack()
729 	const int apv = peer_device->connection->agreed_pro_version;  in drbd_send_sync_param()
734 	sock = &peer_device->connection->data;  in drbd_send_sync_param()
740 	nc = rcu_dereference(peer_device->connection->net_conf);  in drbd_send_sync_param()
778 int __drbd_send_protocol(struct drbd_connection *connection, enum drbd_packet cmd)  in __drbd_send_protocol()  argument
785 	sock = &connection->data;  in __drbd_send_protocol()
786 	p = __conn_prepare_command(connection, sock);  in __drbd_send_protocol()
791 	nc = rcu_dereference(connection->net_conf);  in __drbd_send_protocol()
793 	if (nc->tentative && connection->agreed_pro_version < 92) {  in __drbd_send_protocol()
796 		drbd_err(connection, "--dry-run is not supported by peer");  in __drbd_send_protocol()
801 	if (connection->agreed_pro_version >= 87)  in __drbd_send_protocol()
816 	if (connection->agreed_pro_version >= 87)  in __drbd_send_protocol()
820 	return __conn_send_command(connection, sock, cmd, size, NULL, 0);  in __drbd_send_protocol()
823 int drbd_send_protocol(struct drbd_connection *connection)  in drbd_send_protocol()  argument
827 	mutex_lock(&connection->data.mutex);  in drbd_send_protocol()
828 	err = __drbd_send_protocol(connection, P_PROTOCOL);  in drbd_send_protocol()
829 	mutex_unlock(&connection->data.mutex);  in drbd_send_protocol()
844 	sock = &peer_device->connection->data;  in _drbd_send_uuids()
858 	uuid_flags |= rcu_dereference(peer_device->connection->net_conf)->discard_my_data ? 1 : 0;  in _drbd_send_uuids()
914 	sock = &peer_device->connection->data;  in drbd_gen_and_send_sync_uuid()
948 	sock = &peer_device->connection->data;  in drbd_send_sizes()
953 	if (peer_device->connection->agreed_pro_version <= 94)  in drbd_send_sizes()
955 	else if (peer_device->connection->agreed_pro_version < 100)  in drbd_send_sizes()
976 	sock = &peer_device->connection->data;  in drbd_send_current_state()
999 	sock = &peer_device->connection->data;  in drbd_send_state()
1012 	sock = &peer_device->connection->data;  in drbd_send_state_req()
1021 int conn_send_state_req(struct drbd_connection *connection, union drbd_state mask, union drbd_state…  in conn_send_state_req()  argument
1027 	cmd = connection->agreed_pro_version < 100 ? P_STATE_CHG_REQ : P_CONN_ST_CHG_REQ;  in conn_send_state_req()
1028 	sock = &connection->data;  in conn_send_state_req()
1029 	p = conn_prepare_command(connection, sock);  in conn_send_state_req()
1034 	return conn_send_command(connection, sock, cmd, sizeof(*p), NULL, 0);  in conn_send_state_req()
1042 	sock = &peer_device->connection->meta;  in drbd_send_sr_reply()
1050 void conn_send_sr_reply(struct drbd_connection *connection, enum drbd_state_rv retcode)  in conn_send_sr_reply()  argument
1054 …enum drbd_packet cmd = connection->agreed_pro_version < 100 ? P_STATE_CHG_REPLY : P_CONN_ST_CHG_RE…  in conn_send_sr_reply()
1056 	sock = &connection->meta;  in conn_send_sr_reply()
1057 	p = conn_prepare_command(connection, sock);  in conn_send_sr_reply()
1060 		conn_send_command(connection, sock, cmd, sizeof(*p), NULL, 0);  in conn_send_sr_reply()
1096 	use_rle = rcu_dereference(first_peer_device(device)->connection->net_conf)->use_rle;  in fill_bitmap_rle_bits()
1098 	if (!use_rle || first_peer_device(device)->connection->agreed_pro_version < 90)  in fill_bitmap_rle_bits()
1187 	struct drbd_socket *sock = &first_peer_device(device)->connection->data;  in send_bitmap_rle_or_plain()
1188 	unsigned int header_size = drbd_header_size(first_peer_device(device)->connection);  in send_bitmap_rle_or_plain()
1199 		err = __send_command(first_peer_device(device)->connection, device->vnr, sock,  in send_bitmap_rle_or_plain()
1220 …err = __send_command(first_peer_device(device)->connection, device->vnr, sock, P_BITMAP, len, NULL…  in send_bitmap_rle_or_plain()
1280 	struct drbd_socket *sock = &first_peer_device(device)->connection->data;  in drbd_send_bitmap()
1290 void drbd_send_b_ack(struct drbd_connection *connection, u32 barrier_nr, u32 set_size)  in drbd_send_b_ack()  argument
1295 	if (connection->cstate < C_WF_REPORT_PARAMS)  in drbd_send_b_ack()
1298 	sock = &connection->meta;  in drbd_send_b_ack()
1299 	p = conn_prepare_command(connection, sock);  in drbd_send_b_ack()
1304 	conn_send_command(connection, sock, P_BARRIER_ACK, sizeof(*p), NULL, 0);  in drbd_send_b_ack()
1324 	sock = &peer_device->connection->meta;  in _drbd_send_ack()
1341 	if (peer_device->connection->peer_integrity_tfm)  in drbd_send_ack_dp()
1342 		data_size -= crypto_hash_digestsize(peer_device->connection->peer_integrity_tfm);  in drbd_send_ack_dp()
1385 	sock = &peer_device->connection->data;  in drbd_send_drequest()
1403 	sock = &peer_device->connection->data;  in drbd_send_drequest_csum()
1418 	sock = &peer_device->connection->data;  in drbd_send_ov_request()
1432 static int we_should_drop_the_connection(struct drbd_connection *connection, struct socket *sock)  in we_should_drop_the_connection()  argument
1437 	drop_it =   connection->meta.socket == sock  in we_should_drop_the_connection()
1438 		|| !connection->asender.task  in we_should_drop_the_connection()
1439 		|| get_t_state(&connection->asender) != RUNNING  in we_should_drop_the_connection()
1440 		|| connection->cstate < C_WF_REPORT_PARAMS;  in we_should_drop_the_connection()
1445 	drop_it = !--connection->ko_count;  in we_should_drop_the_connection()
1447 		drbd_err(connection, "[%s/%d] sock_sendmsg time expired, ko = %u\n",  in we_should_drop_the_connection()
1448 			 current->comm, current->pid, connection->ko_count);  in we_should_drop_the_connection()
1449 		request_ping(connection);  in we_should_drop_the_connection()
1455 static void drbd_update_congested(struct drbd_connection *connection)  in drbd_update_congested()  argument
1457 	struct sock *sk = connection->data.socket->sk;  in drbd_update_congested()
1459 		set_bit(NET_CONGESTED, &connection->flags);  in drbd_update_congested()
1490 	socket = peer_device->connection->data.socket;  in _drbd_no_send_page()
1492 	err = drbd_send_all(peer_device->connection, socket, addr, size, msg_flags);  in _drbd_no_send_page()
1502 	struct socket *socket = peer_device->connection->data.socket;  in _drbd_send_page()
1517 	drbd_update_congested(peer_device->connection);  in _drbd_send_page()
1525 				if (we_should_drop_the_connection(peer_device->connection, socket))  in _drbd_send_page()
1539 	clear_bit(NET_CONGESTED, &peer_device->connection->flags);  in _drbd_send_page()
1605 static u32 bio_flags_to_wire(struct drbd_connection *connection, unsigned long bi_rw)  in bio_flags_to_wire()  argument
1607 	if (connection->agreed_pro_version >= 95)  in bio_flags_to_wire()
1628 	sock = &peer_device->connection->data;  in drbd_send_dblock()
1630 	digest_size = peer_device->connection->integrity_tfm ?  in drbd_send_dblock()
1631 		      crypto_hash_digestsize(peer_device->connection->integrity_tfm) : 0;  in drbd_send_dblock()
1638 	dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw);  in drbd_send_dblock()
1642 	if (peer_device->connection->agreed_pro_version >= 100) {  in drbd_send_dblock()
1656 		err = __send_command(peer_device->connection, device->vnr, sock, P_TRIM, sizeof(*t), NULL, 0);  in drbd_send_dblock()
1663 		drbd_csum_bio(peer_device->connection->integrity_tfm, req->master_bio, p + 1);  in drbd_send_dblock()
1664 …err = __send_command(peer_device->connection, device->vnr, sock, P_DATA, sizeof(*p) + digest_size,…  in drbd_send_dblock()
1687 			drbd_csum_bio(peer_device->connection->integrity_tfm, req->master_bio, digest);  in drbd_send_dblock()
1716 	sock = &peer_device->connection->data;  in drbd_send_block()
1719 	digest_size = peer_device->connection->integrity_tfm ?  in drbd_send_block()
1720 		      crypto_hash_digestsize(peer_device->connection->integrity_tfm) : 0;  in drbd_send_block()
1729 		drbd_csum_ee(peer_device->connection->integrity_tfm, peer_req, p + 1);  in drbd_send_block()
1730 …err = __send_command(peer_device->connection, device->vnr, sock, cmd, sizeof(*p) + digest_size, NU…  in drbd_send_block()
1743 	sock = &peer_device->connection->data;  in drbd_send_out_of_sync()
1768 int drbd_send(struct drbd_connection *connection, struct socket *sock,  in drbd_send()  argument
1789 	if (sock == connection->data.socket) {  in drbd_send()
1791 		connection->ko_count = rcu_dereference(connection->net_conf)->ko_count;  in drbd_send()
1793 		drbd_update_congested(connection);  in drbd_send()
1807 			if (we_should_drop_the_connection(connection, sock))  in drbd_send()
1823 	if (sock == connection->data.socket)  in drbd_send()
1824 		clear_bit(NET_CONGESTED, &connection->flags);  in drbd_send()
1828 			drbd_err(connection, "%s_sendmsg returned %d\n",  in drbd_send()
1829 				 sock == connection->meta.socket ? "msock" : "sock",  in drbd_send()
1831 			conn_request_state(connection, NS(conn, C_BROKEN_PIPE), CS_HARD);  in drbd_send()
1833 			conn_request_state(connection, NS(conn, C_TIMEOUT), CS_HARD);  in drbd_send()
1844 int drbd_send_all(struct drbd_connection *connection, struct socket *sock, void *buffer,  in drbd_send_all()  argument
1849 	err = drbd_send(connection, sock, buffer, size, msg_flags);  in drbd_send_all()
1974 	if (first_peer_device(device)->connection->receiver.t_state != NONE)  in drbd_device_cleanup()
1976 				first_peer_device(device)->connection->receiver.t_state);  in drbd_device_cleanup()
1994 	D_ASSERT(device, first_peer_device(device)->connection->net_conf == NULL);  in drbd_device_cleanup()
2014 	D_ASSERT(device, list_empty(&first_peer_device(device)->connection->sender_work.q));  in drbd_device_cleanup()
2204 		kref_put(&peer_device->connection->kref, drbd_destroy_connection);  in drbd_destroy_device()
2306 	struct drbd_connection *connection, *tmp;  in drbd_free_resource()  local
2308 	for_each_connection_safe(connection, tmp, resource) {  in drbd_free_resource()
2309 		list_del(&connection->connections);  in drbd_free_resource()
2310 		drbd_debugfs_connection_cleanup(connection);  in drbd_free_resource()
2311 		kref_put(&connection->kref, drbd_destroy_connection);  in drbd_free_resource()
2378 	if (test_bit(CALLBACK_PENDING, &first_peer_device(device)->connection->flags)) {  in drbd_congested()
2403 	    test_bit(NET_CONGESTED, &first_peer_device(device)->connection->flags)) {  in drbd_congested()
2468 	struct drbd_connection *connection;  in conn_get_by_addrs()  local
2472 		for_each_connection_rcu(connection, resource) {  in conn_get_by_addrs()
2473 			if (connection->my_addr_len == my_addr_len &&  in conn_get_by_addrs()
2474 			    connection->peer_addr_len == peer_addr_len &&  in conn_get_by_addrs()
2475 			    !memcmp(&connection->my_addr, my_addr, my_addr_len) &&  in conn_get_by_addrs()
2476 			    !memcmp(&connection->peer_addr, peer_addr, peer_addr_len)) {  in conn_get_by_addrs()
2477 				kref_get(&connection->kref);  in conn_get_by_addrs()
2482 	connection = NULL;  in conn_get_by_addrs()
2485 	return connection;  in conn_get_by_addrs()
2505 void conn_free_crypto(struct drbd_connection *connection)  in conn_free_crypto()  argument
2507 	drbd_free_sock(connection);  in conn_free_crypto()
2509 	crypto_free_hash(connection->csums_tfm);  in conn_free_crypto()
2510 	crypto_free_hash(connection->verify_tfm);  in conn_free_crypto()
2511 	crypto_free_hash(connection->cram_hmac_tfm);  in conn_free_crypto()
2512 	crypto_free_hash(connection->integrity_tfm);  in conn_free_crypto()
2513 	crypto_free_hash(connection->peer_integrity_tfm);  in conn_free_crypto()
2514 	kfree(connection->int_dig_in);  in conn_free_crypto()
2515 	kfree(connection->int_dig_vv);  in conn_free_crypto()
2517 	connection->csums_tfm = NULL;  in conn_free_crypto()
2518 	connection->verify_tfm = NULL;  in conn_free_crypto()
2519 	connection->cram_hmac_tfm = NULL;  in conn_free_crypto()
2520 	connection->integrity_tfm = NULL;  in conn_free_crypto()
2521 	connection->peer_integrity_tfm = NULL;  in conn_free_crypto()
2522 	connection->int_dig_in = NULL;  in conn_free_crypto()
2523 	connection->int_dig_vv = NULL;  in conn_free_crypto()
2528 	struct drbd_connection *connection;  in set_resource_options()  local
2564 		for_each_connection_rcu(connection, resource) {  in set_resource_options()
2565 			connection->receiver.reset_cpu_mask = 1;  in set_resource_options()
2566 			connection->asender.reset_cpu_mask = 1;  in set_resource_options()
2567 			connection->worker.reset_cpu_mask = 1;  in set_resource_options()
2613 	struct drbd_connection *connection;  in conn_create()  local
2615 	connection = kzalloc(sizeof(struct drbd_connection), GFP_KERNEL);  in conn_create()
2616 	if (!connection)  in conn_create()
2619 	if (drbd_alloc_socket(&connection->data))  in conn_create()
2621 	if (drbd_alloc_socket(&connection->meta))  in conn_create()
2624 	connection->current_epoch = kzalloc(sizeof(struct drbd_epoch), GFP_KERNEL);  in conn_create()
2625 	if (!connection->current_epoch)  in conn_create()
2628 	INIT_LIST_HEAD(&connection->transfer_log);  in conn_create()
2630 	INIT_LIST_HEAD(&connection->current_epoch->list);  in conn_create()
2631 	connection->epochs = 1;  in conn_create()
2632 	spin_lock_init(&connection->epoch_lock);  in conn_create()
2634 	connection->send.seen_any_write_yet = false;  in conn_create()
2635 	connection->send.current_epoch_nr = 0;  in conn_create()
2636 	connection->send.current_epoch_writes = 0;  in conn_create()
2642 	connection->cstate = C_STANDALONE;  in conn_create()
2643 	mutex_init(&connection->cstate_mutex);  in conn_create()
2644 	init_waitqueue_head(&connection->ping_wait);  in conn_create()
2645 	idr_init(&connection->peer_devices);  in conn_create()
2647 	drbd_init_workqueue(&connection->sender_work);  in conn_create()
2648 	mutex_init(&connection->data.mutex);  in conn_create()
2649 	mutex_init(&connection->meta.mutex);  in conn_create()
2651 	drbd_thread_init(resource, &connection->receiver, drbd_receiver, "receiver");  in conn_create()
2652 	connection->receiver.connection = connection;  in conn_create()
2653 	drbd_thread_init(resource, &connection->worker, drbd_worker, "worker");  in conn_create()
2654 	connection->worker.connection = connection;  in conn_create()
2655 	drbd_thread_init(resource, &connection->asender, drbd_asender, "asender");  in conn_create()
2656 	connection->asender.connection = connection;  in conn_create()
2658 	kref_init(&connection->kref);  in conn_create()
2660 	connection->resource = resource;  in conn_create()
2666 	list_add_tail_rcu(&connection->connections, &resource->connections);  in conn_create()
2667 	drbd_debugfs_connection_add(connection);  in conn_create()
2668 	return connection;  in conn_create()
2674 	kfree(connection->current_epoch);  in conn_create()
2675 	drbd_free_socket(&connection->meta);  in conn_create()
2676 	drbd_free_socket(&connection->data);  in conn_create()
2677 	kfree(connection);  in conn_create()
2683 	struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref);  in drbd_destroy_connection()  local
2684 	struct drbd_resource *resource = connection->resource;  in drbd_destroy_connection()
2686 	if (atomic_read(&connection->current_epoch->epoch_size) !=  0)  in drbd_destroy_connection()
2687 		drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size));  in drbd_destroy_connection()
2688 	kfree(connection->current_epoch);  in drbd_destroy_connection()
2690 	idr_destroy(&connection->peer_devices);  in drbd_destroy_connection()
2692 	drbd_free_socket(&connection->meta);  in drbd_destroy_connection()
2693 	drbd_free_socket(&connection->data);  in drbd_destroy_connection()
2694 	kfree(connection->int_dig_in);  in drbd_destroy_connection()
2695 	kfree(connection->int_dig_vv);  in drbd_destroy_connection()
2696 	memset(connection, 0xfc, sizeof(*connection));  in drbd_destroy_connection()
2697 	kfree(connection);  in drbd_destroy_connection()
2718 	struct drbd_connection *connection;  in drbd_create_device()  local
2806 	for_each_connection(connection, resource) {  in drbd_create_device()
2810 		peer_device->connection = connection;  in drbd_create_device()
2816 		id = idr_alloc(&connection->peer_devices, peer_device, vnr, vnr + 1, GFP_KERNEL);  in drbd_create_device()
2822 		kref_get(&connection->kref);  in drbd_create_device()
2845 	idr_remove(&connection->peer_devices, vnr);  in drbd_create_device()
2847 	for_each_connection(connection, resource) {  in drbd_create_device()
2848 		peer_device = idr_find(&connection->peer_devices, vnr);  in drbd_create_device()
2850 			idr_remove(&connection->peer_devices, vnr);  in drbd_create_device()
2851 			kref_put(&connection->kref, drbd_destroy_connection);  in drbd_create_device()
2879 	struct drbd_connection *connection;  in drbd_delete_device()  local
2887 	for_each_connection(connection, resource) {  in drbd_delete_device()
2888 		idr_remove(&connection->peer_devices, device->vnr);  in drbd_delete_device()
3001 void drbd_free_sock(struct drbd_connection *connection)  in drbd_free_sock()  argument
3003 	if (connection->data.socket)  in drbd_free_sock()
3004 		drbd_free_one_sock(&connection->data);  in drbd_free_sock()
3005 	if (connection->meta.socket)  in drbd_free_sock()
3006 		drbd_free_one_sock(&connection->meta);  in drbd_free_sock()
3011 void conn_md_sync(struct drbd_connection *connection)  in conn_md_sync()  argument
3017 	idr_for_each_entry(&connection->peer_devices, peer_device, vnr) {  in conn_md_sync()
3565 	D_ASSERT(device, current == first_peer_device(device)->connection->worker.task);  in drbd_queue_bitmap_io()
3583 			drbd_queue_work(&first_peer_device(device)->connection->sender_work,  in drbd_queue_bitmap_io()
3603 	D_ASSERT(device, current != first_peer_device(device)->connection->worker.task);  in drbd_bitmap_io()
3727 	nc = rcu_dereference(first_peer_device(device)->connection->net_conf);  in drbd_wait_misc()