Re: [PATCH 7/7] cifs: smbd: Return -EAGAIN when transport is reconnecting

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Tentatively merged the 7 patch series into cifs-2.6.git for-next
pending more reviews and xfstests regression testing runs

On Wed, Oct 16, 2019 at 4:11 PM longli--- via samba-technical
<samba-technical@xxxxxxxxxxxxxxx> wrote:
>
> From: Long Li <longli@xxxxxxxxxxxxx>
>
> During reconnecting, the transport may have already been destroyed and is in
> the process being reconnected. In this case, return -EAGAIN to not fail and
> to retry this I/O.
>
> Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
>  fs/cifs/transport.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
> index afe66f9cb15e..66fde7bfec4f 100644
> --- a/fs/cifs/transport.c
> +++ b/fs/cifs/transport.c
> @@ -318,8 +318,11 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
>         int val = 1;
>         __be32 rfc1002_marker;
>
> -       if (cifs_rdma_enabled(server) && server->smbd_conn) {
> -               rc = smbd_send(server, num_rqst, rqst);
> +       if (cifs_rdma_enabled(server)) {
> +               /* return -EAGAIN when connecting or reconnecting */
> +               rc = -EAGAIN;
> +               if (server->smbd_conn)
> +                       rc = smbd_send(server, num_rqst, rqst);
>                 goto smbd_done;
>         }
>
> --
> 2.17.1
>
>


-- 
Thanks,

Steve



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