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

From: Jeff Layton
Date: Thu Dec 19 2024 - 16:33:17 EST


On Thu, 2024-12-19 at 16:23 -0500, Olga Kornievskaia wrote:
> On Mon, Aug 26, 2024 at 8:54 AM Jeff Layton <jlayton@xxxxxxxxxx> wrote:
> >
> > 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);
>
> Can we add cb->cb_ops->opcode to that as well?

I'd be fine with that, but this patch is already merged. Care to
propose one that could go on top?

>
> > task->tk_status = cb->cb_status;
> > }
> >
> >
> > --
> > 2.46.0
> >
> >

--
Jeff Layton <jlayton@xxxxxxxxxx>