162  * @connection:	DRBD connection.
168  * termination of the connection.
170 void tl_release(struct drbd_connection *connection, unsigned int barrier_nr,  in tl_release()  argument
178 	spin_lock_irq(&connection->resource->req_lock);  in tl_release()
182 	list_for_each_entry(r, &connection->transfer_log, tl_requests) {  in tl_release()
207 		drbd_err(connection, "BAD! BarrierAck #%u received, but no epoch in tl!?\n",  in tl_release()
212 		drbd_err(connection, "BAD! BarrierAck #%u received, expected #%u!\n",  in tl_release()
218 		drbd_err(connection, "BAD! BarrierAck #%u received with n_writes=%u, expected n_writes=%u!\n",  in tl_release()
227 	list_for_each_entry(req, &connection->transfer_log, tl_requests)  in tl_release()
232 	req = list_prepare_entry(tmp, &connection->transfer_log, tl_requests);  in tl_release()
233 	list_for_each_entry_safe_from(req, r, &connection->transfer_log, tl_requests) {  in tl_release()
238 	spin_unlock_irq(&connection->resource->req_lock);  in tl_release()
243 	spin_unlock_irq(&connection->resource->req_lock);  in tl_release()
244 	conn_request_state(connection, NS(conn, C_PROTOCOL_ERROR), CS_HARD);  in tl_release()
250  * @connection:	DRBD connection to operate on.
257 void _tl_restart(struct drbd_connection *connection, enum drbd_req_event what)  in _tl_restart()  argument
261 	list_for_each_entry_safe(req, r, &connection->transfer_log, tl_requests)  in _tl_restart()
265 void tl_restart(struct drbd_connection *connection, enum drbd_req_event what)  in tl_restart()  argument
267 	spin_lock_irq(&connection->resource->req_lock);  in tl_restart()
268 	_tl_restart(connection, what);  in tl_restart()
269 	spin_unlock_irq(&connection->resource->req_lock);  in tl_restart()
274  * @connection:	DRBD connection.
276  * This is called after the connection to the peer was lost. The storage covered
280 void tl_clear(struct drbd_connection *connection)  in tl_clear()  argument
282 	tl_restart(connection, CONNECTION_LOST_WHILE_PENDING);  in tl_clear()
291 	struct drbd_connection *connection = first_peer_device(device)->connection;  in tl_abort_disk_io()  local
294 	spin_lock_irq(&connection->resource->req_lock);  in tl_abort_disk_io()
295 	list_for_each_entry_safe(req, r, &connection->transfer_log, tl_requests) {  in tl_abort_disk_io()
302 	spin_unlock_irq(&connection->resource->req_lock);  in tl_abort_disk_io()
350 	if (thi->connection)  in drbd_thread_setup()
351 		kref_put(&thi->connection->kref, drbd_destroy_connection);  in drbd_thread_setup()
365 	thi->connection = NULL;  in drbd_thread_init()
392 		if (thi->connection)  in drbd_thread_start()
393 			kref_get(&thi->connection->kref);  in drbd_thread_start()
407 			if (thi->connection)  in drbd_thread_start()
408 				kref_put(&thi->connection->kref, drbd_destroy_connection);  in drbd_thread_start()
470 int conn_lowest_minor(struct drbd_connection *connection)  in conn_lowest_minor()  argument
476 	peer_device = idr_get_next(&connection->peer_devices, &vnr);  in conn_lowest_minor()
550 unsigned int drbd_header_size(struct drbd_connection *connection)  in drbd_header_size()  argument
552 	if (connection->agreed_pro_version >= 100) {  in drbd_header_size()
590 static unsigned int prepare_header(struct drbd_connection *connection, int vnr,  in prepare_header()  argument
593 	if (connection->agreed_pro_version >= 100)  in prepare_header()
595 	else if (connection->agreed_pro_version >= 95 &&  in prepare_header()
602 static void *__conn_prepare_command(struct drbd_connection *connection,  in __conn_prepare_command()  argument
607 	return sock->sbuf + drbd_header_size(connection);  in __conn_prepare_command()
610 void *conn_prepare_command(struct drbd_connection *connection, struct drbd_socket *sock)  in conn_prepare_command()  argument
615 	p = __conn_prepare_command(connection, sock);  in conn_prepare_command()
624 	return conn_prepare_command(peer_device->connection, sock);  in drbd_prepare_command()
627 static int __send_command(struct drbd_connection *connection, int vnr,  in __send_command()  argument
644 	header_size += prepare_header(connection, vnr, sock->sbuf, cmd,  in __send_command()
646 	err = drbd_send_all(connection, sock->socket, sock->sbuf, header_size,  in __send_command()
649 		err = drbd_send_all(connection, sock->socket, data, size, 0);  in __send_command()
658 static int __conn_send_command(struct drbd_connection *connection, struct drbd_socket *sock,  in __conn_send_command()  argument
662 	return __send_command(connection, 0, sock, cmd, header_size, data, size);  in __conn_send_command()
665 int conn_send_command(struct drbd_connection *connection, struct drbd_socket *sock,  in conn_send_command()  argument
671 	err = __conn_send_command(connection, sock, cmd, header_size, data, size);  in conn_send_command()
682 	err = __send_command(peer_device->connection, peer_device->device->vnr,  in drbd_send_command()
688 int drbd_send_ping(struct drbd_connection *connection)  in drbd_send_ping()  argument
692 	sock = &connection->meta;  in drbd_send_ping()
693 	if (!conn_prepare_command(connection, sock))  in drbd_send_ping()
695 	return conn_send_command(connection, sock, P_PING, 0, NULL, 0);  in drbd_send_ping()
698 int drbd_send_ping_ack(struct drbd_connection *connection)  in drbd_send_ping_ack()  argument
702 	sock = &connection->meta;  in drbd_send_ping_ack()
703 	if (!conn_prepare_command(connection, sock))  in drbd_send_ping_ack()
705 	return conn_send_command(connection, sock, P_PING_ACK, 0, NULL, 0);  in drbd_send_ping_ack()
713 	const int apv = peer_device->connection->agreed_pro_version;  in drbd_send_sync_param()
718 	sock = &peer_device->connection->data;  in drbd_send_sync_param()
724 	nc = rcu_dereference(peer_device->connection->net_conf);  in drbd_send_sync_param()
763 int __drbd_send_protocol(struct drbd_connection *connection, enum drbd_packet cmd)  in __drbd_send_protocol()  argument
770 	sock = &connection->data;  in __drbd_send_protocol()
771 	p = __conn_prepare_command(connection, sock);  in __drbd_send_protocol()
776 	nc = rcu_dereference(connection->net_conf);  in __drbd_send_protocol()
778 	if (nc->tentative && connection->agreed_pro_version < 92) {  in __drbd_send_protocol()
780 		drbd_err(connection, "--dry-run is not supported by peer");  in __drbd_send_protocol()
785 	if (connection->agreed_pro_version >= 87)  in __drbd_send_protocol()
800 	if (connection->agreed_pro_version >= 87)  in __drbd_send_protocol()
804 	return __conn_send_command(connection, sock, cmd, size, NULL, 0);  in __drbd_send_protocol()
807 int drbd_send_protocol(struct drbd_connection *connection)  in drbd_send_protocol()  argument
811 	mutex_lock(&connection->data.mutex);  in drbd_send_protocol()
812 	err = __drbd_send_protocol(connection, P_PROTOCOL);  in drbd_send_protocol()
813 	mutex_unlock(&connection->data.mutex);  in drbd_send_protocol()
828 	sock = &peer_device->connection->data;  in _drbd_send_uuids()
842 	uuid_flags |= rcu_dereference(peer_device->connection->net_conf)->discard_my_data ? 1 : 0;  in _drbd_send_uuids()
898 	sock = &peer_device->connection->data;  in drbd_gen_and_send_sync_uuid()
916 	sock = &peer_device->connection->data;  in drbd_send_sizes()
922 	if (peer_device->connection->agreed_features & DRBD_FF_WSAME)  in drbd_send_sizes()
965 	if (peer_device->connection->agreed_pro_version <= 94)  in drbd_send_sizes()
967 	else if (peer_device->connection->agreed_pro_version < 100)  in drbd_send_sizes()
992 	sock = &peer_device->connection->data;  in drbd_send_current_state()
1015 	sock = &peer_device->connection->data;  in drbd_send_state()
1028 	sock = &peer_device->connection->data;  in drbd_send_state_req()
1037 int conn_send_state_req(struct drbd_connection *connection, union drbd_state mask, union drbd_state…  in conn_send_state_req()  argument
1043 	cmd = connection->agreed_pro_version < 100 ? P_STATE_CHG_REQ : P_CONN_ST_CHG_REQ;  in conn_send_state_req()
1044 	sock = &connection->data;  in conn_send_state_req()
1045 	p = conn_prepare_command(connection, sock);  in conn_send_state_req()
1050 	return conn_send_command(connection, sock, cmd, sizeof(*p), NULL, 0);  in conn_send_state_req()
1058 	sock = &peer_device->connection->meta;  in drbd_send_sr_reply()
1066 void conn_send_sr_reply(struct drbd_connection *connection, enum drbd_state_rv retcode)  in conn_send_sr_reply()  argument
1070 …enum drbd_packet cmd = connection->agreed_pro_version < 100 ? P_STATE_CHG_REPLY : P_CONN_ST_CHG_RE…  in conn_send_sr_reply()
1072 	sock = &connection->meta;  in conn_send_sr_reply()
1073 	p = conn_prepare_command(connection, sock);  in conn_send_sr_reply()
1076 		conn_send_command(connection, sock, cmd, sizeof(*p), NULL, 0);  in conn_send_sr_reply()
1112 	use_rle = rcu_dereference(first_peer_device(device)->connection->net_conf)->use_rle;  in fill_bitmap_rle_bits()
1114 	if (!use_rle || first_peer_device(device)->connection->agreed_pro_version < 90)  in fill_bitmap_rle_bits()
1203 	struct drbd_socket *sock = &first_peer_device(device)->connection->data;  in send_bitmap_rle_or_plain()
1204 	unsigned int header_size = drbd_header_size(first_peer_device(device)->connection);  in send_bitmap_rle_or_plain()
1215 		err = __send_command(first_peer_device(device)->connection, device->vnr, sock,  in send_bitmap_rle_or_plain()
1236 …err = __send_command(first_peer_device(device)->connection, device->vnr, sock, P_BITMAP, len, NULL…  in send_bitmap_rle_or_plain()
1296 	struct drbd_socket *sock = &first_peer_device(device)->connection->data;  in drbd_send_bitmap()
1306 void drbd_send_b_ack(struct drbd_connection *connection, u32 barrier_nr, u32 set_size)  in drbd_send_b_ack()  argument
1311 	if (connection->cstate < C_WF_REPORT_PARAMS)  in drbd_send_b_ack()
1314 	sock = &connection->meta;  in drbd_send_b_ack()
1315 	p = conn_prepare_command(connection, sock);  in drbd_send_b_ack()
1320 	conn_send_command(connection, sock, P_BARRIER_ACK, sizeof(*p), NULL, 0);  in drbd_send_b_ack()
1340 	sock = &peer_device->connection->meta;  in _drbd_send_ack()
1357 	if (peer_device->connection->peer_integrity_tfm)  in drbd_send_ack_dp()
1358 		data_size -= crypto_shash_digestsize(peer_device->connection->peer_integrity_tfm);  in drbd_send_ack_dp()
1401 	sock = &peer_device->connection->data;  in drbd_send_rs_deallocated()
1417 	sock = &peer_device->connection->data;  in drbd_send_drequest()
1435 	sock = &peer_device->connection->data;  in drbd_send_drequest_csum()
1450 	sock = &peer_device->connection->data;  in drbd_send_ov_request()
1462  * true if we think connection is dead
1464 static int we_should_drop_the_connection(struct drbd_connection *connection, struct socket *sock)  in we_should_drop_the_connection()  argument
1469 	drop_it =   connection->meta.socket == sock  in we_should_drop_the_connection()
1470 		|| !connection->ack_receiver.task  in we_should_drop_the_connection()
1471 		|| get_t_state(&connection->ack_receiver) != RUNNING  in we_should_drop_the_connection()
1472 		|| connection->cstate < C_WF_REPORT_PARAMS;  in we_should_drop_the_connection()
1477 	drop_it = !--connection->ko_count;  in we_should_drop_the_connection()
1479 		drbd_err(connection, "[%s/%d] sock_sendmsg time expired, ko = %u\n",  in we_should_drop_the_connection()
1480 			 current->comm, current->pid, connection->ko_count);  in we_should_drop_the_connection()
1481 		request_ping(connection);  in we_should_drop_the_connection()
1487 static void drbd_update_congested(struct drbd_connection *connection)  in drbd_update_congested()  argument
1489 	struct sock *sk = connection->data.socket->sk;  in drbd_update_congested()
1491 		set_bit(NET_CONGESTED, &connection->flags);  in drbd_update_congested()
1522 	socket = peer_device->connection->data.socket;  in _drbd_no_send_page()
1524 	err = drbd_send_all(peer_device->connection, socket, addr, size, msg_flags);  in _drbd_no_send_page()
1534 	struct socket *socket = peer_device->connection->data.socket;  in _drbd_send_page()
1548 	drbd_update_congested(peer_device->connection);  in _drbd_send_page()
1555 				if (we_should_drop_the_connection(peer_device->connection, socket))  in _drbd_send_page()
1568 	clear_bit(NET_CONGESTED, &peer_device->connection->flags);  in _drbd_send_page()
1634 static u32 bio_flags_to_wire(struct drbd_connection *connection,  in bio_flags_to_wire()  argument
1637 	if (connection->agreed_pro_version >= 95)  in bio_flags_to_wire()
1643 			  ((connection->agreed_features & DRBD_FF_WZEROES) ?  in bio_flags_to_wire()
1664 	sock = &peer_device->connection->data;  in drbd_send_dblock()
1666 	digest_size = peer_device->connection->integrity_tfm ?  in drbd_send_dblock()
1667 		      crypto_shash_digestsize(peer_device->connection->integrity_tfm) : 0;  in drbd_send_dblock()
1674 	dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio);  in drbd_send_dblock()
1678 	if (peer_device->connection->agreed_pro_version >= 100) {  in drbd_send_dblock()
1693 		err = __send_command(peer_device->connection, device->vnr, sock, cmd, sizeof(*t), NULL, 0);  in drbd_send_dblock()
1701 		drbd_csum_bio(peer_device->connection->integrity_tfm, req->master_bio, digest_out);  in drbd_send_dblock()
1702 	err = __send_command(peer_device->connection, device->vnr, sock, P_DATA,  in drbd_send_dblock()
1726 			drbd_csum_bio(peer_device->connection->integrity_tfm, req->master_bio, digest);  in drbd_send_dblock()
1755 	sock = &peer_device->connection->data;  in drbd_send_block()
1758 	digest_size = peer_device->connection->integrity_tfm ?  in drbd_send_block()
1759 		      crypto_shash_digestsize(peer_device->connection->integrity_tfm) : 0;  in drbd_send_block()
1768 		drbd_csum_ee(peer_device->connection->integrity_tfm, peer_req, p + 1);  in drbd_send_block()
1769 …err = __send_command(peer_device->connection, device->vnr, sock, cmd, sizeof(*p) + digest_size, NU…  in drbd_send_block()
1782 	sock = &peer_device->connection->data;  in drbd_send_out_of_sync()
1807 int drbd_send(struct drbd_connection *connection, struct socket *sock,  in drbd_send()  argument
1821 	if (sock == connection->data.socket) {  in drbd_send()
1823 		connection->ko_count = rcu_dereference(connection->net_conf)->ko_count;  in drbd_send()
1825 		drbd_update_congested(connection);  in drbd_send()
1830 			if (we_should_drop_the_connection(connection, sock))  in drbd_send()
1844 	if (sock == connection->data.socket)  in drbd_send()
1845 		clear_bit(NET_CONGESTED, &connection->flags);  in drbd_send()
1849 			drbd_err(connection, "%s_sendmsg returned %d\n",  in drbd_send()
1850 				 sock == connection->meta.socket ? "msock" : "sock",  in drbd_send()
1852 			conn_request_state(connection, NS(conn, C_BROKEN_PIPE), CS_HARD);  in drbd_send()
1854 			conn_request_state(connection, NS(conn, C_TIMEOUT), CS_HARD);  in drbd_send()
1865 int drbd_send_all(struct drbd_connection *connection, struct socket *sock, void *buffer,  in drbd_send_all()  argument
1870 	err = drbd_send(connection, sock, buffer, size, msg_flags);  in drbd_send_all()
1919 				&first_peer_device(device)->connection->sender_work,  in drbd_queue_unplug()
2010 	if (first_peer_device(device)->connection->receiver.t_state != NONE)  in drbd_device_cleanup()
2012 				first_peer_device(device)->connection->receiver.t_state);  in drbd_device_cleanup()
2030 	D_ASSERT(device, first_peer_device(device)->connection->net_conf == NULL);  in drbd_device_cleanup()
2050 	D_ASSERT(device, list_empty(&first_peer_device(device)->connection->sender_work.q));  in drbd_device_cleanup()
2213 	/* not for_each_connection(connection, resource):  in drbd_destroy_device()
2217 		kref_put(&peer_device->connection->kref, drbd_destroy_connection);  in drbd_destroy_device()
2318 	struct drbd_connection *connection, *tmp;  in drbd_free_resource()  local
2320 	for_each_connection_safe(connection, tmp, resource) {  in drbd_free_resource()
2321 		list_del(&connection->connections);  in drbd_free_resource()
2322 		drbd_debugfs_connection_cleanup(connection);  in drbd_free_resource()
2323 		kref_put(&connection->kref, drbd_destroy_connection);  in drbd_free_resource()
2425 	struct drbd_connection *connection;  in conn_get_by_addrs()  local
2429 		for_each_connection_rcu(connection, resource) {  in conn_get_by_addrs()
2430 			if (connection->my_addr_len == my_addr_len &&  in conn_get_by_addrs()
2431 			    connection->peer_addr_len == peer_addr_len &&  in conn_get_by_addrs()
2432 			    !memcmp(&connection->my_addr, my_addr, my_addr_len) &&  in conn_get_by_addrs()
2433 			    !memcmp(&connection->peer_addr, peer_addr, peer_addr_len)) {  in conn_get_by_addrs()
2434 				kref_get(&connection->kref);  in conn_get_by_addrs()
2439 	connection = NULL;  in conn_get_by_addrs()
2442 	return connection;  in conn_get_by_addrs()
2462 void conn_free_crypto(struct drbd_connection *connection)  in conn_free_crypto()  argument
2464 	drbd_free_sock(connection);  in conn_free_crypto()
2466 	crypto_free_shash(connection->csums_tfm);  in conn_free_crypto()
2467 	crypto_free_shash(connection->verify_tfm);  in conn_free_crypto()
2468 	crypto_free_shash(connection->cram_hmac_tfm);  in conn_free_crypto()
2469 	crypto_free_shash(connection->integrity_tfm);  in conn_free_crypto()
2470 	crypto_free_shash(connection->peer_integrity_tfm);  in conn_free_crypto()
2471 	kfree(connection->int_dig_in);  in conn_free_crypto()
2472 	kfree(connection->int_dig_vv);  in conn_free_crypto()
2474 	connection->csums_tfm = NULL;  in conn_free_crypto()
2475 	connection->verify_tfm = NULL;  in conn_free_crypto()
2476 	connection->cram_hmac_tfm = NULL;  in conn_free_crypto()
2477 	connection->integrity_tfm = NULL;  in conn_free_crypto()
2478 	connection->peer_integrity_tfm = NULL;  in conn_free_crypto()
2479 	connection->int_dig_in = NULL;  in conn_free_crypto()
2480 	connection->int_dig_vv = NULL;  in conn_free_crypto()
2485 	struct drbd_connection *connection;  in set_resource_options()  local
2521 		for_each_connection_rcu(connection, resource) {  in set_resource_options()
2522 			connection->receiver.reset_cpu_mask = 1;  in set_resource_options()
2523 			connection->ack_receiver.reset_cpu_mask = 1;  in set_resource_options()
2524 			connection->worker.reset_cpu_mask = 1;  in set_resource_options()
2570 	struct drbd_connection *connection;  in conn_create()  local
2572 	connection = kzalloc(sizeof(struct drbd_connection), GFP_KERNEL);  in conn_create()
2573 	if (!connection)  in conn_create()
2576 	if (drbd_alloc_socket(&connection->data))  in conn_create()
2578 	if (drbd_alloc_socket(&connection->meta))  in conn_create()
2581 	connection->current_epoch = kzalloc(sizeof(struct drbd_epoch), GFP_KERNEL);  in conn_create()
2582 	if (!connection->current_epoch)  in conn_create()
2585 	INIT_LIST_HEAD(&connection->transfer_log);  in conn_create()
2587 	INIT_LIST_HEAD(&connection->current_epoch->list);  in conn_create()
2588 	connection->epochs = 1;  in conn_create()
2589 	spin_lock_init(&connection->epoch_lock);  in conn_create()
2591 	connection->send.seen_any_write_yet = false;  in conn_create()
2592 	connection->send.current_epoch_nr = 0;  in conn_create()
2593 	connection->send.current_epoch_writes = 0;  in conn_create()
2599 	connection->cstate = C_STANDALONE;  in conn_create()
2600 	mutex_init(&connection->cstate_mutex);  in conn_create()
2601 	init_waitqueue_head(&connection->ping_wait);  in conn_create()
2602 	idr_init(&connection->peer_devices);  in conn_create()
2604 	drbd_init_workqueue(&connection->sender_work);  in conn_create()
2605 	mutex_init(&connection->data.mutex);  in conn_create()
2606 	mutex_init(&connection->meta.mutex);  in conn_create()
2608 	drbd_thread_init(resource, &connection->receiver, drbd_receiver, "receiver");  in conn_create()
2609 	connection->receiver.connection = connection;  in conn_create()
2610 	drbd_thread_init(resource, &connection->worker, drbd_worker, "worker");  in conn_create()
2611 	connection->worker.connection = connection;  in conn_create()
2612 	drbd_thread_init(resource, &connection->ack_receiver, drbd_ack_receiver, "ack_recv");  in conn_create()
2613 	connection->ack_receiver.connection = connection;  in conn_create()
2615 	kref_init(&connection->kref);  in conn_create()
2617 	connection->resource = resource;  in conn_create()
2623 	list_add_tail_rcu(&connection->connections, &resource->connections);  in conn_create()
2624 	drbd_debugfs_connection_add(connection);  in conn_create()
2625 	return connection;  in conn_create()
2631 	kfree(connection->current_epoch);  in conn_create()
2632 	drbd_free_socket(&connection->meta);  in conn_create()
2633 	drbd_free_socket(&connection->data);  in conn_create()
2634 	kfree(connection);  in conn_create()
2640 	struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref);  in drbd_destroy_connection()  local
2641 	struct drbd_resource *resource = connection->resource;  in drbd_destroy_connection()
2643 	if (atomic_read(&connection->current_epoch->epoch_size) !=  0)  in drbd_destroy_connection()
2644 		drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size));  in drbd_destroy_connection()
2645 	kfree(connection->current_epoch);  in drbd_destroy_connection()
2647 	idr_destroy(&connection->peer_devices);  in drbd_destroy_connection()
2649 	drbd_free_socket(&connection->meta);  in drbd_destroy_connection()
2650 	drbd_free_socket(&connection->data);  in drbd_destroy_connection()
2651 	kfree(connection->int_dig_in);  in drbd_destroy_connection()
2652 	kfree(connection->int_dig_vv);  in drbd_destroy_connection()
2653 	memset(connection, 0xfc, sizeof(*connection));  in drbd_destroy_connection()
2654 	kfree(connection);  in drbd_destroy_connection()
2675 	struct drbd_connection *connection, *n;  in drbd_create_device()  local
2750 	for_each_connection(connection, resource) {  in drbd_create_device()
2754 		peer_device->connection = connection;  in drbd_create_device()
2760 		id = idr_alloc(&connection->peer_devices, peer_device, vnr, vnr + 1, GFP_KERNEL);  in drbd_create_device()
2766 		kref_get(&connection->kref);  in drbd_create_device()
2779 	/* inherit the connection state */  in drbd_create_device()
2792 	for_each_connection_safe(connection, n, resource) {  in drbd_create_device()
2793 		peer_device = idr_remove(&connection->peer_devices, vnr);  in drbd_create_device()
2795 			kref_put(&connection->kref, drbd_destroy_connection);  in drbd_create_device()
2820 	struct drbd_connection *connection;  in drbd_delete_device()  local
2827 	for_each_connection(connection, resource) {  in drbd_delete_device()
2828 		idr_remove(&connection->peer_devices, device->vnr);  in drbd_delete_device()
2930 void drbd_free_sock(struct drbd_connection *connection)  in drbd_free_sock()  argument
2932 	if (connection->data.socket)  in drbd_free_sock()
2933 		drbd_free_one_sock(&connection->data);  in drbd_free_sock()
2934 	if (connection->meta.socket)  in drbd_free_sock()
2935 		drbd_free_one_sock(&connection->meta);  in drbd_free_sock()
2940 void conn_md_sync(struct drbd_connection *connection)  in conn_md_sync()  argument
2946 	idr_for_each_entry(&connection->peer_devices, peer_device, vnr) {  in conn_md_sync()
3494 	D_ASSERT(device, current == first_peer_device(device)->connection->worker.task);  in drbd_queue_bitmap_io()
3514 			drbd_queue_work(&first_peer_device(device)->connection->sender_work,  in drbd_queue_bitmap_io()
3537 	D_ASSERT(device, current != first_peer_device(device)->connection->worker.task);  in drbd_bitmap_io()
3665 	nc = rcu_dereference(first_peer_device(device)->connection->net_conf);  in drbd_wait_misc()