It helps to know what kind of callback happened that triggered the WARN_ONCE in nfsd4_cb_done() function in diagnosing what can set an uncommon state where both cb_status and tk_status are set at the same time. Fixes: e8581a912447 ("nfsd: add more info to WARN_ON_ONCE on failed callbacks") Signed-off-by: Olga Kornievskaia <okorniev@xxxxxxxxxx> --- fs/nfsd/nfs4callback.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index f24d8654393d..93b3d27ba0f2 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -1397,8 +1397,9 @@ static void nfsd4_cb_done(struct rpc_task *task, void *calldata) return; if (cb->cb_status) { - WARN_ONCE(task->tk_status, "cb_status=%d tk_status=%d", - cb->cb_status, task->tk_status); + WARN_ONCE(task->tk_status, + "cb_status=%d tk_status=%d cb_opcode=%d", + cb->cb_status, task->tk_status, cb->cb_ops->opcode); task->tk_status = cb->cb_status; } -- 2.43.5