SUNRPC: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid

Instead of the pointer values, use the task and client identifier values
for tracing purposes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

include/trace/events/sunrpc.h

@@ -17,18 +17,20 @@ DECLARE_EVENT_CLASS(rpc_task_status,
 	TP_ARGS(task),
 
 	TP_STRUCT__entry(
-		__field(const struct rpc_task *, task)
-		__field(const struct rpc_clnt *, clnt)
+		__field(unsigned int, task_id)
+		__field(unsigned int, client_id)
 		__field(int, status)
 	),
 
 	TP_fast_assign(
-		__entry->task = task;
-		__entry->clnt = task->tk_client;
+		__entry->task_id = task->tk_pid;
+		__entry->client_id = task->tk_client->cl_clid;
 		__entry->status = task->tk_status;
 	),
 
-	TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status)
+	TP_printk("task:%u@%u, status %d",
+		__entry->task_id, __entry->client_id,
+		__entry->status)
 );
 
 DEFINE_EVENT(rpc_task_status, rpc_call_status,
@@ -49,18 +51,20 @@ TRACE_EVENT(rpc_connect_status,
 	TP_ARGS(task, status),
 
 	TP_STRUCT__entry(
-		__field(const struct rpc_task *, task)
-		__field(const struct rpc_clnt *, clnt)
+		__field(unsigned int, task_id)
+		__field(unsigned int, client_id)
 		__field(int, status)
 	),
 
 	TP_fast_assign(
-		__entry->task = task;
-		__entry->clnt = task->tk_client;
+		__entry->task_id = task->tk_pid;
+		__entry->client_id = task->tk_client->cl_clid;
 		__entry->status = status;
 	),
 
-	TP_printk("task:%p@%p, status %d",__entry->task, __entry->clnt, __entry->status)
+	TP_printk("task:%u@%u, status %d",
+		__entry->task_id, __entry->client_id,
+		__entry->status)
 );
 
 DECLARE_EVENT_CLASS(rpc_task_running,
@@ -70,8 +74,8 @@ DECLARE_EVENT_CLASS(rpc_task_running,
 	TP_ARGS(clnt, task, action),
 
 	TP_STRUCT__entry(
-		__field(const struct rpc_clnt *, clnt)
-		__field(const struct rpc_task *, task)
+		__field(unsigned int, task_id)
+		__field(unsigned int, client_id)
 		__field(const void *, action)
 		__field(unsigned long, runstate)
 		__field(int, status)
@@ -79,17 +83,16 @@ DECLARE_EVENT_CLASS(rpc_task_running,
 		),
 
 	TP_fast_assign(
-		__entry->clnt = clnt;
-		__entry->task = task;
+		__entry->client_id = clnt->cl_clid;
+		__entry->task_id = task->tk_pid;
 		__entry->action = action;
 		__entry->runstate = task->tk_runstate;
 		__entry->status = task->tk_status;
 		__entry->flags = task->tk_flags;
 		),
 
-	TP_printk("task:%p@%p flags=%4.4x state=%4.4lx status=%d action=%pf",
-		__entry->task,
-		__entry->clnt,
+	TP_printk("task:%u@%u flags=%4.4x state=%4.4lx status=%d action=%pf",
+		__entry->task_id, __entry->client_id,
 		__entry->flags,
 		__entry->runstate,
 		__entry->status,
@@ -128,8 +131,8 @@ DECLARE_EVENT_CLASS(rpc_task_queued,
 	TP_ARGS(clnt, task, q),
 
 	TP_STRUCT__entry(
-		__field(const struct rpc_clnt *, clnt)
-		__field(const struct rpc_task *, task)
+		__field(unsigned int, task_id)
+		__field(unsigned int, client_id)
 		__field(unsigned long, timeout)
 		__field(unsigned long, runstate)
 		__field(int, status)
@@ -138,8 +141,8 @@ DECLARE_EVENT_CLASS(rpc_task_queued,
 		),
 
 	TP_fast_assign(
-		__entry->clnt = clnt;
-		__entry->task = task;
+		__entry->client_id = clnt->cl_clid;
+		__entry->task_id = task->tk_pid;
 		__entry->timeout = task->tk_timeout;
 		__entry->runstate = task->tk_runstate;
 		__entry->status = task->tk_status;
@@ -147,9 +150,8 @@ DECLARE_EVENT_CLASS(rpc_task_queued,
 		__assign_str(q_name, rpc_qname(q));
 		),
 
-	TP_printk("task:%p@%p flags=%4.4x state=%4.4lx status=%d timeout=%lu queue=%s",
-		__entry->task,
-		__entry->clnt,
+	TP_printk("task:%u@%u flags=%4.4x state=%4.4lx status=%d timeout=%lu queue=%s",
+		__entry->task_id, __entry->client_id,
 		__entry->flags,
 		__entry->runstate,
 		__entry->status,