Commit 68ca0b63 authored by Jim Harris's avatar Jim Harris
Browse files

iscsi: allocate/free I/O channels when connections start/stop on a core 



This will start testing the I/O channel allocation paths.  I/O channels
are not actually used for submitting I/O yet however.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: I901402633248170324db1e2fc8fb813f7629c2b0
parent b5c1e5ad

lib/iscsi/conn.c

+8 −0
Original line number Diff line number Diff line
@@ -683,6 +683,9 @@ spdk_iscsi_conn_stop_poller(struct spdk_iscsi_conn *conn, spdk_event_fn fn_after 
		pthread_mutex_lock(&target->mutex);

		target->num_active_conns--;

		pthread_mutex_unlock(&target->mutex);



		RTE_VERIFY(conn->dev != NULL);

		spdk_scsi_dev_free_io_channels(conn->dev);

	}

	rte_atomic32_dec(&g_num_connections[spdk_app_get_current_core()]);

	spdk_net_framework_clear_socket_association(conn->sock);
@@ -1268,6 +1271,11 @@ spdk_iscsi_conn_full_feature_migrate(struct spdk_event *event) 
{

	struct spdk_iscsi_conn *conn = spdk_event_get_arg1(event);



	if (conn->sess->session_type == SESSION_TYPE_NORMAL) {

		RTE_VERIFY(conn->dev != NULL);

		spdk_scsi_dev_allocate_io_channels(conn->dev);

	}



	/* The poller has been unregistered, so now we can re-register it on the new core. */

	conn->lcore = spdk_app_get_current_core();

	spdk_poller_register(&conn->poller, spdk_iscsi_conn_full_feature_do_work, conn,