SUNRPC: Add a function to display the name of an RPC procedure
Improve debugging messages in call_start() and call_verify() by having
them show the RPC procedure name instead of the procedure number.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 1af4f16..68ea6dd 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -690,6 +690,21 @@
}
EXPORT_SYMBOL_GPL(rpc_restart_call);
+#ifdef RPC_DEBUG
+static const char *rpc_proc_name(const struct rpc_task *task)
+{
+ const struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
+
+ if (proc) {
+ if (proc->p_name)
+ return proc->p_name;
+ else
+ return "NULL";
+ } else
+ return "no proc";
+}
+#endif
+
/*
* 0. Initial state
*
@@ -701,9 +716,9 @@
{
struct rpc_clnt *clnt = task->tk_client;
- dprintk("RPC: %5u call_start %s%d proc %d (%s)\n", task->tk_pid,
+ dprintk("RPC: %5u call_start %s%d proc %s (%s)\n", task->tk_pid,
clnt->cl_protname, clnt->cl_vers,
- task->tk_msg.rpc_proc->p_proc,
+ rpc_proc_name(task),
(RPC_IS_ASYNC(task) ? "async" : "sync"));
/* Increment call count */
@@ -1432,10 +1447,10 @@
error = -EPROTONOSUPPORT;
goto out_err;
case RPC_PROC_UNAVAIL:
- dprintk("RPC: %5u %s: proc %p unsupported by program %u, "
+ dprintk("RPC: %5u %s: proc %s unsupported by program %u, "
"version %u on server %s\n",
task->tk_pid, __func__,
- task->tk_msg.rpc_proc,
+ rpc_proc_name(task),
task->tk_client->cl_prog,
task->tk_client->cl_vers,
task->tk_client->cl_server);