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SUNRPC: task_run_action should display tk_callback

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This shows up in every RPC:

     kworker/4:1-19772 [004]  3467.373443: rpc_task_run_action:  task:4711@2 flags=0e81 state=0005 status=0 action=call_status
     kworker/4:1-19772 [004]  3467.373444: rpc_task_run_action:  task:4711@2 flags=0e81 state=0005 status=0 action=call_status

What's actually going on is that the first iteration of the RPC
scheduler is invoking the function in tk_callback (in this case,
xprt_timer), then invoking call_status on the next iteration.

Feeding do_action, rather than tk_action, to the "task_run_action"
trace point will now always display the correct FSM step.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2018-01-03 15:38:41 -05:00 committed by Anna Schumaker
parent 520694496a
commit cf08d6f2e6
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/sched.c
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@ -770,7 +770,7 @@ static void __rpc_execute(struct rpc_task *task)
if (do_action == NULL)
break;
}
trace_rpc_task_run_action(task->tk_client, task, task->tk_action);
trace_rpc_task_run_action(task->tk_client, task, do_action);
do_action(task);
/*