Commit 9ce07ae5 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

SUNRPC: Replace dprintk() call site in xprt_prepare_transmit 



Generate a trace event when an RPC request is queued without being
sent immediately.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 09d2ba0c

include/trace/events/sunrpc.h

+1 −0
Original line number Diff line number Diff line
@@ -1093,6 +1093,7 @@ DECLARE_EVENT_CLASS(xprt_writelock_event, 


DEFINE_WRITELOCK_EVENT(reserve_xprt);

DEFINE_WRITELOCK_EVENT(release_xprt);

DEFINE_WRITELOCK_EVENT(transmit_queued);



DECLARE_EVENT_CLASS(xprt_cong_event,

	TP_PROTO(

net/sunrpc/xprt.c

+2 −2
Original line number Diff line number Diff line
@@ -1408,9 +1408,9 @@ bool xprt_prepare_transmit(struct rpc_task *task) 
	struct rpc_rqst	*req = task->tk_rqstp;

	struct rpc_xprt	*xprt = req->rq_xprt;



	dprintk("RPC: %5u xprt_prepare_transmit\n", task->tk_pid);



	if (!xprt_lock_write(xprt, task)) {

		trace_xprt_transmit_queued(xprt, task);



		/* Race breaker: someone may have transmitted us */

		if (!test_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate))

			rpc_wake_up_queued_task_set_status(&xprt->sending,