* and receiving over this connection again in the future. It is up to
* the transport to have serialized this call with its send and recv.
*/
-void rds_conn_reset(struct rds_connection *conn)
+static void rds_conn_reset(struct rds_connection *conn)
{
rdsdebug("connection %pI4 to %pI4 reset\n",
&conn->c_laddr, &conn->c_faddr);
{
struct rds_connection *conn, *parent = NULL;
struct hlist_head *head = rds_conn_bucket(laddr, faddr);
+ struct rds_transport *loop_trans;
unsigned long flags;
int ret;
* can bind to the destination address then we'd rather the messages
* flow through loopback rather than either transport.
*/
- if (rds_trans_get_preferred(faddr)) {
+ loop_trans = rds_trans_get_preferred(faddr);
+ if (loop_trans) {
+ rds_trans_put(loop_trans);
conn->c_loopback = 1;
if (is_outgoing && trans->t_prefer_loopback) {
/* "outgoing" connection - and the transport
/*
* Stop and free a connection.
+ *
+ * This can only be used in very limited circumstances. It assumes that once
+ * the conn has been shutdown that no one else is referencing the connection.
+ * We can only ensure this in the rmmod path in the current code.
*/
void rds_conn_destroy(struct rds_connection *conn)
{
spin_lock_irq(&rds_conn_lock);
hlist_del_init_rcu(&conn->c_hash_node);
spin_unlock_irq(&rds_conn_lock);
-
synchronize_rcu();
- rds_conn_shutdown(conn);
+ /* shut the connection down */
+ rds_conn_drop(conn);
+ flush_work(&conn->c_down_w);
+
+ /* make sure lingering queued work won't try to ref the conn */
+ cancel_delayed_work_sync(&conn->c_send_w);
+ cancel_delayed_work_sync(&conn->c_recv_w);
/* tear down queued messages */
list_for_each_entry_safe(rm, rtmp,