Re: [PATCH 1/1] NFSv4.1: don't retry BIND_CONN_TO_SESSION on session error

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Apologies. Disregard this unclean patch. Seems like some unwanted
changes have gotten in. I will resend.

On Thu, Mar 24, 2022 at 10:22 AM Olga Kornievskaia
<olga.kornievskaia@xxxxxxxxx> wrote:
>
> From: Olga Kornievskaia <kolga@xxxxxxxxxx>
>
> There is no reason to retry the operation if a session error had
> occurred in such case result structure isn't filled out.
>
> Fixes: dff58530c4ca ("NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION")
> Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 9 ++++++++-
>  fs/nfs/nfs4proc.c                               | 1 +
>  2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index f5a27f067db9..cdef24eef648 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5639,7 +5639,7 @@
>                         pernode     one pool for each NUMA node (equivalent
>                                     to global on non-NUMA machines)
>
> -       sunrpc.tcp_slot_table_entries=
> +       sunrpc.max_tcp_slot_table_entries=
>         sunrpc.udp_slot_table_entries=
>                         [NFS,SUNRPC]
>                         Sets the upper limit on the number of simultaneous
> @@ -5648,6 +5648,13 @@
>                         improve throughput, but will also increase the
>                         amount of memory reserved for use by the client.
>
> +       sunrpc.tcp_slot_table_entries=
> +                       [NFS,SUNRPC]
> +                       Sets the minimum limit on the number of simultaneous
> +                       RPC calls that can be sent from the client to a
> +                       server. RPC session table then would dynamically grow
> +                       until it reaches the max_tcp_slot_table_entries.
> +
>         suspend.pm_test_delay=
>                         [SUSPEND]
>                         Sets the number of seconds to remain in a suspend test
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index dd7a4c2a3f05..e3f5b380cefe 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -8340,6 +8340,7 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
>         case -NFS4ERR_DEADSESSION:
>                 nfs4_schedule_session_recovery(clp->cl_session,
>                                 task->tk_status);
> +               return;
>         }
>         if (args->dir == NFS4_CDFC4_FORE_OR_BOTH &&
>                         res->dir != NFS4_CDFS4_BOTH) {
> --
> 2.27.0
>



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