From b97d21a0aa65a6f7a7bb17bbc696b136688c96ed Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@kernel.org>
Date: Mon, 26 Aug 2024 08:50:11 -0400
Subject: nfsd: add more info to WARN_ON_ONCE on failed callbacks

Currently, you get the warning and stack trace, but nothing is printed
about the relevant error codes. Add that in.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 fs/nfsd/nfs4callback.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1333,7 +1333,8 @@ static void nfsd4_cb_done(struct rpc_tas
 		return;
 
 	if (cb->cb_status) {
-		WARN_ON_ONCE(task->tk_status);
+		WARN_ONCE(task->tk_status, "cb_status=%d tk_status=%d",
+			  cb->cb_status, task->tk_status);
 		task->tk_status = cb->cb_status;
 	}