sunrpc: Add rpc_request static trace point

Display information about the RPC procedure being requested in the
trace log. This sometimes critical information cannot always be
derived from other RPC trace entries.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d25b077d326d..a801da812f86 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1491,7 +1491,6 @@ rpc_restart_call(struct rpc_task *task)
 }
 EXPORT_SYMBOL_GPL(rpc_restart_call);
 
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
 const char
 *rpc_proc_name(const struct rpc_task *task)
 {
@@ -1505,7 +1504,6 @@ const char
         } else
                 return "no proc";
 }
-#endif
 
 /*
  * 0.  Initial state
@@ -1519,6 +1517,7 @@ call_start(struct rpc_task *task)
         struct rpc_clnt *clnt = task->tk_client;
         int idx = task->tk_msg.rpc_proc->p_statidx;
 
+        trace_rpc_request(task);
         dprintk("RPC: %5u call_start %s%d proc %s (%s)\n", task->tk_pid,
                         clnt->cl_program->name, clnt->cl_vers,
                         rpc_proc_name(task),