From: "J. Bruce Fields" <bfields@fieldses.org>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: dwysocha@redhat.com, linux-nfs@vger.kernel.org
Subject: Re: [PATCH RFC 06/21] NFSD: Remove spurious cb_setup_err tracepoint
Date: Mon, 10 May 2021 16:27:19 -0400 [thread overview]
Message-ID: <20210510202719.GB11188@fieldses.org> (raw)
In-Reply-To: <162066193457.94415.10829735588517134118.stgit@klimt.1015granger.net>
On Mon, May 10, 2021 at 11:52:14AM -0400, Chuck Lever wrote:
> This path is not really an error path,
What's the non-error case for this path?
On a quick look it seems like that'd mean a 4.1 client doesn't have a
connection available for the backchannel, which sounds bad.
But I'm probably overlooking something....
--b.
> so the tracepoint I added
> there is just noise.
>
> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
> ---
> fs/nfsd/nfs4callback.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
> index ab1836381e22..15ba16c54793 100644
> --- a/fs/nfsd/nfs4callback.c
> +++ b/fs/nfsd/nfs4callback.c
> @@ -915,10 +915,8 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c
> args.authflavor = clp->cl_cred.cr_flavor;
> clp->cl_cb_ident = conn->cb_ident;
> } else {
> - if (!conn->cb_xprt) {
> - trace_nfsd_cb_setup_err(clp, -EINVAL);
> + if (!conn->cb_xprt)
> return -EINVAL;
> - }
> clp->cl_cb_conn.cb_xprt = conn->cb_xprt;
> clp->cl_cb_session = ses;
> args.bc_xprt = conn->cb_xprt;
>
next prev parent reply other threads:[~2021-05-10 20:27 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 15:51 [PATCH RFC 00/21] NFSD callback and lease management observability Chuck Lever
2021-05-10 15:51 ` [PATCH RFC 01/21] NFSD: Constify @fh argument of knfsd_fh_hash() Chuck Lever
2021-05-10 15:51 ` [PATCH RFC 02/21] NFSD: Capture every CB state transition Chuck Lever
2021-05-10 15:51 ` [PATCH RFC 03/21] NFSD: Drop TRACE_DEFINE_ENUM for NFSD4_CB_<state> macros Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 04/21] NFSD: Add cb_lost tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 05/21] NFSD: Adjust cb_shutdown tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 06/21] NFSD: Remove spurious cb_setup_err tracepoint Chuck Lever
2021-05-10 20:27 ` J. Bruce Fields [this message]
2021-05-10 20:29 ` Chuck Lever III
2021-05-11 17:44 ` Bruce Fields
2021-05-10 15:52 ` [PATCH RFC 07/21] NFSD: Enhance the nfsd_cb_setup tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 08/21] NFSD: Add an nfsd_cb_lm_notify tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 09/21] NFSD: Add an nfsd_cb_offload tracepoint Chuck Lever
2021-05-14 18:22 ` Olga Kornievskaia
2021-05-14 19:11 ` Chuck Lever III
2021-05-10 15:52 ` [PATCH RFC 10/21] NFSD: Replace the nfsd_deleg_break tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 11/21] NFSD: Add an nfsd_cb_probe tracepoint Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 12/21] NFSD: Remove the nfsd_cb_work and nfsd_cb_done tracepoints Chuck Lever
2021-05-10 15:52 ` [PATCH RFC 13/21] NFSD: Update nfsd_cb_args tracepoint Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 14/21] NFSD: Add nfsd_clid_cred_mismatch tracepoint Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 15/21] NFSD: Add nfsd_clid_verf_mismatch tracepoint Chuck Lever
2021-05-11 15:49 ` J. Bruce Fields
2021-05-10 15:53 ` [PATCH RFC 16/21] NFSD: Remove nfsd_clid_inuse_err Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 17/21] NFSD: Add nfsd_clid_confirmed tracepoint Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 18/21] NFSD: Add nfsd_clid_destroyed tracepoint Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 19/21] NFSD: Add a couple more nfsd_clid_expired call sites Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 20/21] NFSD: Rename nfsd_clid_class Chuck Lever
2021-05-10 15:53 ` [PATCH RFC 21/21] NFSD: Add tracepoints to observe clientID activity Chuck Lever
2021-05-10 19:56 ` David Wysochanski
2021-05-10 20:00 ` Chuck Lever III
2021-05-11 15:59 ` Chuck Lever III
2021-05-11 17:38 ` Bruce Fields
2021-05-11 17:40 ` Chuck Lever III
2021-05-11 17:43 ` Bruce Fields
2021-05-10 17:24 ` [PATCH RFC 00/21] NFSD callback and lease management observability David Wysochanski
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