SUNRPC: Fix bytes-per-op accounting for RPC over UDP

NFS performance metrics reported zero bytes sent per op when mounting with
UDP.  The UDP socket transport wasn't properly counting the number of bytes
sent.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index b81494a97a5e..e97e4ca43ef3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -587,6 +587,7 @@ static int xs_udp_send_request(struct rpc_task *task)
         dprintk("RPC:       xs_udp_send_request(%u) = %d\n",
                         xdr->len - req->rq_bytes_sent, status);
 
+        task->tk_bytes_sent += status;
         if (likely(status >= (int) req->rq_slen))
                 return 0;