[PATCH 1/3] nfsd: add more info to WARN_ON_ONCE on failed callbacks

[Jeff Layton <jlayton@xxxxxxxxxx>]

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@xxxxxxxxxx>
---
 fs/nfsd/nfs4callback.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index d756f443fc44..dee9477cc5b5 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1333,7 +1333,8 @@ static void nfsd4_cb_done(struct rpc_task *task, void *calldata)
 		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;
 	}
 

-- 
2.46.0