Lines Matching refs:connection
216 nla_len(adm_ctx->my_addr) > sizeof(adm_ctx->connection->my_addr)) || in drbd_adm_prepare()
218 nla_len(adm_ctx->peer_addr) > sizeof(adm_ctx->connection->peer_addr))) { in drbd_adm_prepare()
258 adm_ctx->connection = conn_get_by_addrs(nla_data(adm_ctx->my_addr), in drbd_adm_prepare()
262 if (!adm_ctx->connection) { in drbd_adm_prepare()
291 : adm_ctx->connection ? adm_ctx->connection->resource : NULL; in drbd_adm_prepare()
311 if (adm_ctx->connection) { in drbd_adm_finish()
312 kref_put(&adm_ctx->connection->kref, &drbd_destroy_connection); in drbd_adm_finish()
313 adm_ctx->connection = NULL; in drbd_adm_finish()
328 static void setup_khelper_env(struct drbd_connection *connection, char **envp) in setup_khelper_env() argument
333 if (connection->my_addr_len == 0 || connection->peer_addr_len == 0) in setup_khelper_env()
336 switch (((struct sockaddr *)&connection->peer_addr)->sa_family) { in setup_khelper_env()
340 &((struct sockaddr_in6 *)&connection->peer_addr)->sin6_addr); in setup_khelper_env()
345 &((struct sockaddr_in *)&connection->peer_addr)->sin_addr); in setup_khelper_env()
350 &((struct sockaddr_in *)&connection->peer_addr)->sin_addr); in setup_khelper_env()
365 struct drbd_connection *connection = first_peer_device(device)->connection; in drbd_khelper() local
369 if (current == connection->worker.task) in drbd_khelper()
370 set_bit(CALLBACK_PENDING, &connection->flags); in drbd_khelper()
373 setup_khelper_env(connection, envp); in drbd_khelper()
383 notify_helper(NOTIFY_CALL, device, connection, cmd, 0); in drbd_khelper()
396 notify_helper(NOTIFY_RESPONSE, device, connection, cmd, ret); in drbd_khelper()
398 if (current == connection->worker.task) in drbd_khelper()
399 clear_bit(CALLBACK_PENDING, &connection->flags); in drbd_khelper()
407 enum drbd_peer_state conn_khelper(struct drbd_connection *connection, char *cmd) in conn_khelper() argument
415 char *resource_name = connection->resource->name; in conn_khelper()
419 setup_khelper_env(connection, envp); in conn_khelper()
420 conn_md_sync(connection); in conn_khelper()
422 drbd_info(connection, "helper command: %s %s %s\n", drbd_usermode_helper, cmd, resource_name); in conn_khelper()
424 notify_helper(NOTIFY_CALL, NULL, connection, cmd, 0); in conn_khelper()
428 drbd_warn(connection, "helper command: %s %s %s exit code %u (0x%x)\n", in conn_khelper()
432 drbd_info(connection, "helper command: %s %s %s exit code %u (0x%x)\n", in conn_khelper()
436 notify_helper(NOTIFY_RESPONSE, NULL, connection, cmd, ret); in conn_khelper()
444 static enum drbd_fencing_p highest_fencing_policy(struct drbd_connection *connection) in highest_fencing_policy() argument
451 idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { in highest_fencing_policy()
470 bool conn_try_outdate_peer(struct drbd_connection *connection) in conn_try_outdate_peer() argument
472 struct drbd_resource * const resource = connection->resource; in conn_try_outdate_peer()
481 if (connection->cstate >= C_WF_REPORT_PARAMS) { in conn_try_outdate_peer()
482 drbd_err(connection, "Expected cstate < C_WF_REPORT_PARAMS\n"); in conn_try_outdate_peer()
487 connect_cnt = connection->connect_cnt; in conn_try_outdate_peer()
490 fp = highest_fencing_policy(connection); in conn_try_outdate_peer()
493 drbd_warn(connection, "Not fencing peer, I'm not even Consistent myself.\n"); in conn_try_outdate_peer()
495 if (connection->cstate < C_WF_REPORT_PARAMS) { in conn_try_outdate_peer()
496 _conn_request_state(connection, in conn_try_outdate_peer()
504 _tl_restart(connection, CONNECTION_LOST_WHILE_PENDING); in conn_try_outdate_peer()
520 r = conn_khelper(connection, "fence-peer"); in conn_try_outdate_peer()
534 if (conn_highest_disk(connection) == D_UP_TO_DATE) { in conn_try_outdate_peer()
547 drbd_warn(connection, "Peer is primary, outdating myself.\n"); in conn_try_outdate_peer()
555 drbd_err(connection, "fence-peer() = 7 && fencing != Stonith !!!\n"); in conn_try_outdate_peer()
562 drbd_err(connection, "fence-peer helper broken, returned %d\n", (r>>8)&0xff); in conn_try_outdate_peer()
566 drbd_info(connection, "fence-peer helper returned %d (%s)\n", in conn_try_outdate_peer()
574 if (connection->cstate < C_WF_REPORT_PARAMS && !test_bit(STATE_SENT, &connection->flags)) { in conn_try_outdate_peer()
575 if (connection->connect_cnt != connect_cnt) in conn_try_outdate_peer()
578 drbd_info(connection, "Ignoring fence-peer exit code\n"); in conn_try_outdate_peer()
580 _conn_request_state(connection, mask, val, CS_VERBOSE); in conn_try_outdate_peer()
584 return conn_highest_pdsk(connection) <= D_OUTDATED; in conn_try_outdate_peer()
589 struct drbd_connection *connection = (struct drbd_connection *)data; in _try_outdate_peer_async() local
591 conn_try_outdate_peer(connection); in _try_outdate_peer_async()
593 kref_put(&connection->kref, drbd_destroy_connection); in _try_outdate_peer_async()
597 void conn_try_outdate_peer_async(struct drbd_connection *connection) in conn_try_outdate_peer_async() argument
601 kref_get(&connection->kref); in conn_try_outdate_peer_async()
608 opa = kthread_run(_try_outdate_peer_async, connection, "drbd_async_h"); in conn_try_outdate_peer_async()
610 drbd_err(connection, "out of mem, failed to invoke fence-peer helper\n"); in conn_try_outdate_peer_async()
611 kref_put(&connection->kref, drbd_destroy_connection); in conn_try_outdate_peer_async()
619 struct drbd_connection *const connection = peer_device ? peer_device->connection : NULL; in drbd_set_role() local
628 struct drbd_connection *connection; in drbd_set_role() local
633 for_each_connection(connection, device->resource) in drbd_set_role()
634 request_ping(connection); in drbd_set_role()
667 if (conn_try_outdate_peer(connection)) { in drbd_set_role()
677 if (!conn_try_outdate_peer(connection) && force) { in drbd_set_role()
692 nc = rcu_dereference(connection->net_conf); in drbd_set_role()
726 nc = connection->net_conf; in drbd_set_role()
1195 static unsigned int drbd_max_discard_sectors(struct drbd_connection *connection) in drbd_max_discard_sectors() argument
1199 if (connection->agreed_features & DRBD_FF_WSAME) in drbd_max_discard_sectors()
1214 struct drbd_connection *connection = first_peer_device(device)->connection; in decide_on_discard_support() local
1217 if (can_do && connection->cstate >= C_CONNECTED && !(connection->agreed_features & DRBD_FF_TRIM)) { in decide_on_discard_support()
1219 drbd_info(connection, "peer DRBD too old, does not support TRIM: disabling discards\n"); in decide_on_discard_support()
1229 q->limits.max_discard_sectors = drbd_max_discard_sectors(connection); in decide_on_discard_support()
1231 q->limits.max_write_zeroes_sectors = drbd_max_discard_sectors(connection); in decide_on_discard_support()
1258 struct drbd_connection *connection = first_peer_device(device)->connection; in fixup_write_zeroes() local
1261 if (connection->agreed_features & DRBD_FF_WZEROES) in fixup_write_zeroes()
1273 struct drbd_connection *connection = peer_device->connection; in decide_on_write_same_support() local
1281 …if (can_do && connection->cstate >= C_CONNECTED && !(connection->agreed_features & DRBD_FF_WSAME))… in decide_on_write_same_support()
1398 if (first_peer_device(device)->connection->agreed_pro_version < 94) in drbd_reconsider_queue_parameters()
1401 else if (first_peer_device(device)->connection->agreed_pro_version == 94) in drbd_reconsider_queue_parameters()
1403 else if (first_peer_device(device)->connection->agreed_pro_version < 100) in drbd_reconsider_queue_parameters()
1427 static void conn_reconfig_start(struct drbd_connection *connection) in conn_reconfig_start() argument
1429 drbd_thread_start(&connection->worker); in conn_reconfig_start()
1430 drbd_flush_workqueue(&connection->sender_work); in conn_reconfig_start()
1434 static void conn_reconfig_done(struct drbd_connection *connection) in conn_reconfig_done() argument
1437 spin_lock_irq(&connection->resource->req_lock); in conn_reconfig_done()
1438 stop_threads = conn_all_vols_unconf(connection) && in conn_reconfig_done()
1439 connection->cstate == C_STANDALONE; in conn_reconfig_done()
1440 spin_unlock_irq(&connection->resource->req_lock); in conn_reconfig_done()
1444 drbd_thread_stop(&connection->receiver); in conn_reconfig_done()
1445 drbd_thread_stop(&connection->worker); in conn_reconfig_done()
1795 struct drbd_connection *connection; in drbd_adm_attach() local
1818 connection = peer_device->connection; in drbd_adm_attach()
1819 conn_reconfig_start(connection); in drbd_adm_attach()
1880 nc = rcu_dereference(connection->net_conf); in drbd_adm_attach()
1971 drbd_flush_workqueue(&connection->sender_work); in drbd_adm_attach()
2186 conn_reconfig_done(connection); in drbd_adm_attach()
2197 conn_reconfig_done(connection); in drbd_adm_attach()
2258 static bool conn_resync_running(struct drbd_connection *connection) in conn_resync_running() argument
2265 idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { in conn_resync_running()
2280 static bool conn_ov_running(struct drbd_connection *connection) in conn_ov_running() argument
2287 idr_for_each_entry(&connection->peer_devices, peer_device, vnr) { in conn_ov_running()
2301 _check_net_options(struct drbd_connection *connection, struct net_conf *old_net_conf, struct net_co… in _check_net_options() argument
2306 …if (old_net_conf && connection->cstate == C_WF_REPORT_PARAMS && connection->agreed_pro_version < 1… in _check_net_options()
2318 conn_highest_role(connection) == R_PRIMARY && in _check_net_options()
2319 conn_highest_peer(connection) == R_PRIMARY) in _check_net_options()
2326 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in _check_net_options()
2345 check_net_options(struct drbd_connection *connection, struct net_conf *new_net_conf) in check_net_options() argument
2352 rv = _check_net_options(connection, rcu_dereference(connection->net_conf), new_net_conf); in check_net_options()
2356 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in check_net_options()
2430 struct drbd_connection *connection; in drbd_adm_net_opts() local
2443 connection = adm_ctx.connection; in drbd_adm_net_opts()
2452 conn_reconfig_start(connection); in drbd_adm_net_opts()
2454 mutex_lock(&connection->data.mutex); in drbd_adm_net_opts()
2455 mutex_lock(&connection->resource->conf_update); in drbd_adm_net_opts()
2456 old_net_conf = connection->net_conf; in drbd_adm_net_opts()
2475 retcode = check_net_options(connection, new_net_conf); in drbd_adm_net_opts()
2480 rsr = conn_resync_running(connection); in drbd_adm_net_opts()
2487 ovr = conn_ov_running(connection); in drbd_adm_net_opts()
2497 rcu_assign_pointer(connection->net_conf, new_net_conf); in drbd_adm_net_opts()
2500 crypto_free_shash(connection->csums_tfm); in drbd_adm_net_opts()
2501 connection->csums_tfm = crypto.csums_tfm; in drbd_adm_net_opts()
2505 crypto_free_shash(connection->verify_tfm); in drbd_adm_net_opts()
2506 connection->verify_tfm = crypto.verify_tfm; in drbd_adm_net_opts()
2510 crypto_free_shash(connection->integrity_tfm); in drbd_adm_net_opts()
2511 connection->integrity_tfm = crypto.integrity_tfm; in drbd_adm_net_opts()
2512 if (connection->cstate >= C_WF_REPORT_PARAMS && connection->agreed_pro_version >= 100) in drbd_adm_net_opts()
2514 __drbd_send_protocol(connection, P_PROTOCOL_UPDATE); in drbd_adm_net_opts()
2516 crypto_free_shash(connection->cram_hmac_tfm); in drbd_adm_net_opts()
2517 connection->cram_hmac_tfm = crypto.cram_hmac_tfm; in drbd_adm_net_opts()
2519 mutex_unlock(&connection->resource->conf_update); in drbd_adm_net_opts()
2520 mutex_unlock(&connection->data.mutex); in drbd_adm_net_opts()
2524 if (connection->cstate >= C_WF_REPORT_PARAMS) { in drbd_adm_net_opts()
2528 idr_for_each_entry(&connection->peer_devices, peer_device, vnr) in drbd_adm_net_opts()
2535 mutex_unlock(&connection->resource->conf_update); in drbd_adm_net_opts()
2536 mutex_unlock(&connection->data.mutex); in drbd_adm_net_opts()
2540 conn_reconfig_done(connection); in drbd_adm_net_opts()
2549 struct drbd_connection *connection) in connection_to_info() argument
2551 info->conn_connection_state = connection->cstate; in connection_to_info()
2552 info->conn_role = conn_highest_peer(connection); in connection_to_info()
2578 struct drbd_connection *connection; in drbd_adm_connect() local
2599 for_each_connection(connection, resource) { in drbd_adm_connect()
2600 if (nla_len(adm_ctx.my_addr) == connection->my_addr_len && in drbd_adm_connect()
2601 !memcmp(nla_data(adm_ctx.my_addr), &connection->my_addr, in drbd_adm_connect()
2602 connection->my_addr_len)) { in drbd_adm_connect()
2607 if (nla_len(adm_ctx.peer_addr) == connection->peer_addr_len && in drbd_adm_connect()
2608 !memcmp(nla_data(adm_ctx.peer_addr), &connection->peer_addr, in drbd_adm_connect()
2609 connection->peer_addr_len)) { in drbd_adm_connect()
2617 connection = first_connection(adm_ctx.resource); in drbd_adm_connect()
2618 conn_reconfig_start(connection); in drbd_adm_connect()
2620 if (connection->cstate > C_STANDALONE) { in drbd_adm_connect()
2641 retcode = check_net_options(connection, new_net_conf); in drbd_adm_connect()
2651 drbd_flush_workqueue(&connection->sender_work); in drbd_adm_connect()
2654 old_net_conf = connection->net_conf; in drbd_adm_connect()
2660 rcu_assign_pointer(connection->net_conf, new_net_conf); in drbd_adm_connect()
2662 conn_free_crypto(connection); in drbd_adm_connect()
2663 connection->cram_hmac_tfm = crypto.cram_hmac_tfm; in drbd_adm_connect()
2664 connection->integrity_tfm = crypto.integrity_tfm; in drbd_adm_connect()
2665 connection->csums_tfm = crypto.csums_tfm; in drbd_adm_connect()
2666 connection->verify_tfm = crypto.verify_tfm; in drbd_adm_connect()
2668 connection->my_addr_len = nla_len(adm_ctx.my_addr); in drbd_adm_connect()
2669 memcpy(&connection->my_addr, nla_data(adm_ctx.my_addr), connection->my_addr_len); in drbd_adm_connect()
2670 connection->peer_addr_len = nla_len(adm_ctx.peer_addr); in drbd_adm_connect()
2671 memcpy(&connection->peer_addr, nla_data(adm_ctx.peer_addr), connection->peer_addr_len); in drbd_adm_connect()
2673 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in drbd_adm_connect()
2677 connection_to_info(&connection_info, connection); in drbd_adm_connect()
2680 notify_connection_state(NULL, 0, connection, &connection_info, NOTIFY_CREATE | flags); in drbd_adm_connect()
2681 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in drbd_adm_connect()
2692 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in drbd_adm_connect()
2699 retcode = conn_request_state(connection, NS(conn, C_UNCONNECTED), CS_VERBOSE); in drbd_adm_connect()
2701 conn_reconfig_done(connection); in drbd_adm_connect()
2710 conn_reconfig_done(connection); in drbd_adm_connect()
2717 static enum drbd_state_rv conn_try_disconnect(struct drbd_connection *connection, bool force) in conn_try_disconnect() argument
2723 rv = conn_request_state(connection, NS(conn, C_DISCONNECTING), in conn_try_disconnect()
2733 rv = conn_request_state(connection, NS2(conn, C_DISCONNECTING, pdsk, D_OUTDATED), 0); in conn_try_disconnect()
2736 rv = conn_request_state(connection, NS(conn, C_DISCONNECTING), CS_VERBOSE); in conn_try_disconnect()
2740 spin_lock_irq(&connection->resource->req_lock); in conn_try_disconnect()
2741 cstate = connection->cstate; in conn_try_disconnect()
2742 spin_unlock_irq(&connection->resource->req_lock); in conn_try_disconnect()
2746 rv = conn_request_state(connection, NS2(conn, C_DISCONNECTING, in conn_try_disconnect()
2749 rv = conn_request_state(connection, NS(conn, C_DISCONNECTING), in conn_try_disconnect()
2763 drbd_thread_stop(&connection->receiver); in conn_try_disconnect()
2771 rv2 = conn_request_state(connection, NS(conn, C_STANDALONE), in conn_try_disconnect()
2774 drbd_err(connection, in conn_try_disconnect()
2787 struct drbd_connection *connection; in drbd_adm_disconnect() local
2798 connection = adm_ctx.connection; in drbd_adm_disconnect()
2810 rv = conn_try_disconnect(connection, parms.force_disconnect); in drbd_adm_disconnect()
2829 iass = test_bit(RESOLVE_CONFLICTS, &first_peer_device(device)->connection->flags); in resync_after_online_grow()
2886 if (rs.no_resync && first_peer_device(device)->connection->agreed_pro_version < 93) { in drbd_adm_resize()
3037 drbd_flush_workqueue(&first_peer_device(device)->connection->sender_work); in drbd_adm_invalidate()
3114 drbd_flush_workqueue(&first_peer_device(device)->connection->sender_work); in drbd_adm_invalidate_peer()
3238 tl_clear(first_peer_device(device)->connection); in drbd_adm_resume_io()
3240 tl_restart(first_peer_device(device)->connection, FAIL_FROZEN_DISK_IO); in drbd_adm_resume_io()
3256 struct drbd_connection *connection, in nla_put_drbd_cfg_context() argument
3268 if (connection) { in nla_put_drbd_cfg_context()
3269 if (connection->my_addr_len && in nla_put_drbd_cfg_context()
3270 nla_put(skb, T_ctx_my_addr, connection->my_addr_len, &connection->my_addr)) in nla_put_drbd_cfg_context()
3272 if (connection->peer_addr_len && in nla_put_drbd_cfg_context()
3273 nla_put(skb, T_ctx_peer_addr, connection->peer_addr_len, &connection->peer_addr)) in nla_put_drbd_cfg_context()
3515 struct drbd_connection *uninitialized_var(connection); in drbd_adm_dump_connections()
3548 for_each_connection_rcu(connection, resource) in drbd_adm_dump_connections()
3549 if (connection == (struct drbd_connection *)cb->args[2]) in drbd_adm_dump_connections()
3554 connection = list_entry(&resource->connections, struct drbd_connection, connections); in drbd_adm_dump_connections()
3557 list_for_each_entry_continue_rcu(connection, &resource->connections, connections) { in drbd_adm_dump_connections()
3558 if (!has_net_conf(connection)) in drbd_adm_dump_connections()
3598 err = nla_put_drbd_cfg_context(skb, resource, connection, NULL); in drbd_adm_dump_connections()
3601 net_conf = rcu_dereference(connection->net_conf); in drbd_adm_dump_connections()
3607 connection_to_info(&connection_info, connection); in drbd_adm_dump_connections()
3611 connection_statistics.conn_congested = test_bit(NET_CONGESTED, &connection->flags); in drbd_adm_dump_connections()
3615 cb->args[2] = (long)connection; in drbd_adm_dump_connections()
3721 if (!has_net_conf(peer_device->connection)) in drbd_adm_dump_peer_devices()
3742 err = nla_put_drbd_cfg_context(skb, device->resource, peer_device->connection, device); in drbd_adm_dump_peer_devices()
3820 nc = rcu_dereference(first_peer_device(device)->connection->net_conf); in nla_put_status_info()
4001 struct drbd_connection *connection; in get_one_status() local
4005 connection = the_only_connection(resource); in get_one_status()
4006 if (nla_put_drbd_cfg_context(skb, resource, connection, NULL)) in get_one_status()
4008 if (connection) { in get_one_status()
4011 nc = rcu_dereference(connection->net_conf); in get_one_status()
4216 first_peer_device(device)->connection->agreed_pro_version >= 90 && in drbd_adm_new_c_uuid()
4285 struct drbd_connection *connection; in drbd_adm_new_resource() local
4320 connection = conn_create(adm_ctx.resource_name, &res_opts); in drbd_adm_new_resource()
4323 if (connection) { in drbd_adm_new_resource()
4327 resource_to_info(&resource_info, connection->resource); in drbd_adm_new_resource()
4328 notify_resource_state(NULL, 0, connection->resource, in drbd_adm_new_resource()
4389 if (!has_net_conf(peer_device->connection)) in drbd_adm_new_minor()
4401 if (!has_net_conf(peer_device->connection)) in drbd_adm_new_minor()
4425 struct drbd_connection *connection = in adm_del_minor() local
4434 if (get_t_state(&connection->worker) == RUNNING) in adm_del_minor()
4435 drbd_flush_workqueue(&connection->sender_work); in adm_del_minor()
4439 if (!has_net_conf(peer_device->connection)) in adm_del_minor()
4474 struct drbd_connection *connection; in adm_del_resource() local
4476 for_each_connection(connection, resource) { in adm_del_resource()
4477 if (connection->cstate > C_STANDALONE) in adm_del_resource()
4495 list_for_each_entry(connection, &resource->connections, connections) in adm_del_resource()
4496 drbd_thread_stop(&connection->worker); in adm_del_resource()
4506 struct drbd_connection *connection; in drbd_adm_down() local
4520 for_each_connection(connection, resource) { in drbd_adm_down()
4523 idr_for_each_entry(&connection->peer_devices, peer_device, i) { in drbd_adm_down()
4531 retcode = conn_try_disconnect(connection, 0); in drbd_adm_down()
4735 struct drbd_connection *connection, in notify_connection_state() argument
4759 if (nla_put_drbd_cfg_context(skb, connection->resource, connection, NULL) || in notify_connection_state()
4764 connection_statistics.conn_congested = test_bit(NET_CONGESTED, &connection->flags); in notify_connection_state()
4778 drbd_err(connection, "Error %d while broadcasting event. Event seq:%u\n", in notify_connection_state()
4809 if (nla_put_drbd_cfg_context(skb, resource, peer_device->connection, peer_device->device) || in notify_peer_device_state()
4833 struct drbd_device *device, struct drbd_connection *connection, in notify_helper() argument
4836 struct drbd_resource *resource = device ? device->resource : connection->resource; in notify_helper()
4859 if (nla_put_drbd_cfg_context(skb, resource, connection, device) || in notify_helper()