2008-06-12 19:34:04

by Myklebust, Trond

[permalink] [raw]
Subject: [PATCH 11/37] SUNRPC: Add a function to display the name of an RPC procedure

From: Chuck Lever <[email protected]>

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 <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
---

net/sunrpc/clnt.c | 23 +++++++++++++++++++----
1 files changed, 19 insertions(+), 4 deletions(-)

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 @@ rpc_restart_call(struct rpc_task *task)
}
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 @@ call_start(struct rpc_task *task)
{
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 @@ call_verify(struct rpc_task *task)
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);