SUNRPC: Fix RPC call retransmission statistics
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 25 Sep 2013 17:39:45 +0000 (13:39 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 1 Oct 2013 22:22:11 +0000 (18:22 -0400)
A retransmit should be when you successfully transmit an RPC call to
the server a second time.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
net/sunrpc/clnt.c

index b585250..bde3115 100644 (file)
@@ -1719,6 +1719,8 @@ call_connect_status(struct rpc_task *task)
 static void
 call_transmit(struct rpc_task *task)
 {
+       int is_retrans = RPC_WAS_SENT(task);
+
        dprint_status(task);
 
        task->tk_action = call_status;
@@ -1743,6 +1745,8 @@ call_transmit(struct rpc_task *task)
        xprt_transmit(task);
        if (task->tk_status < 0)
                return;
+       if (is_retrans)
+               task->tk_client->cl_stats->rpcretrans++;
        /*
         * On success, ensure that we call xprt_end_transmit() before sleeping
         * in order to allow access to the socket to other RPC requests.
@@ -1983,7 +1987,6 @@ call_timeout(struct rpc_task *task)
        rpcauth_invalcred(task);
 
 retry:
-       clnt->cl_stats->rpcretrans++;
        task->tk_action = call_bind;
        task->tk_status = 0;
 }
@@ -2026,7 +2029,6 @@ call_decode(struct rpc_task *task)
        if (req->rq_rcv_buf.len < 12) {
                if (!RPC_IS_SOFT(task)) {
                        task->tk_action = call_bind;
-                       clnt->cl_stats->rpcretrans++;
                        goto out_retry;
                }
                dprintk("RPC:       %s: too small RPC reply size (%d bytes)\n",