xprtrdma: Reset connection timeout after successful reconnect

chucklever · amschuma-ntap · commit 18906972aa11 · 2014-06-04T08:56:51.000-04:00
If the new connection is able to make forward progress, reset the
re-establish timeout. Otherwise it keeps growing even if disconnect
events are rare.

The same behavior as TCP is adopted: reconnect immediately if the
transport instance has been able to make some forward progress.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Anna Schumaker &lt;Anna.Schumaker@Netapp.com&gt;
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -770,6 +770,7 @@ rpcrdma_reply_handler(struct rpcrdma_rep *rep)
 
 	/* from here on, the reply is no longer an orphan */
 	req->rl_reply = rep;
+	xprt->reestablish_timeout = 0;
 
 	/* check for expected message types */
 	/* The order of some of these tests is important. */
