Re: [PATCH 23/27] SUNRPC: Move RPC retransmission stat counter to xprt_transmit()

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On Mon, 2018-09-03 at 13:31 -0400, Chuck Lever wrote:
> Do you also need to move req->rq_ntrans++ ?

Good point. Right now, it is in completely the wrong place.

> 
> > On Sep 3, 2018, at 11:29 AM, Trond Myklebust <trondmy@xxxxxxxxx>
> > wrote:
> > 
> > Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
> > ---
> > net/sunrpc/clnt.c | 6 ------
> > net/sunrpc/xprt.c | 4 ++++
> > 2 files changed, 4 insertions(+), 6 deletions(-)
> > 
> > diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> > index 585a82dfaf4d..fb40d1e9f636 100644
> > --- a/net/sunrpc/clnt.c
> > +++ b/net/sunrpc/clnt.c
> > @@ -1967,8 +1967,6 @@ 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_transmit_status;
> > @@ -1979,10 +1977,6 @@ call_transmit(struct rpc_task *task)
> > 	if (!xprt_prepare_transmit(task))
> > 		return;
> > 	xprt_transmit(task);
> > -	if (task->tk_status < 0)
> > -		return;
> > -	if (is_retrans)
> > -		task->tk_client->cl_stats->rpcretrans++;
> > }
> > 
> > /*
> > diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
> > index 95d15d4017f7..b85e2c4fa115 100644
> > --- a/net/sunrpc/xprt.c
> > +++ b/net/sunrpc/xprt.c
> > @@ -1126,6 +1126,7 @@ void xprt_transmit(struct rpc_task *task)
> > 	struct rpc_rqst	*req = task->tk_rqstp;
> > 	struct rpc_xprt	*xprt = req->rq_xprt;
> > 	unsigned int connect_cookie;
> > +	int is_retrans = RPC_WAS_SENT(task);
> > 	int status;
> > 
> > 	dprintk("RPC: %5u xprt_transmit(%u)\n", task->tk_pid, req-
> > >rq_slen);
> > @@ -1148,6 +1149,9 @@ void xprt_transmit(struct rpc_task *task)
> > 		return;
> > 	}
> > 
> > +	if (is_retrans)
> > +		task->tk_client->cl_stats->rpcretrans++;
> > +
> > 	xprt_inject_disconnect(xprt);
> > 
> > 	dprintk("RPC: %5u xmit complete\n", task->tk_pid);
> > -- 
> > 2.17.1
> > 
> 
> --
> Chuck Lever
> chucklever@xxxxxxxxx
> 
> 
> 




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