linux-kernel - RE: [[PATCH v1] 24/37] [CIFS] SMBD: Support for SMBD keep alive protocol

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Date:   Mon, 14 Aug 2017 23:27:00 +0000
From:   Long Li <longli@...rosoft.com>
To:     Tom Talpey <ttalpey@...rosoft.com>,
        Steve French <sfrench@...ba.org>,
        "linux-cifs@...r.kernel.org" <linux-cifs@...r.kernel.org>,
        "samba-technical@...ts.samba.org" <samba-technical@...ts.samba.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [[PATCH v1] 24/37] [CIFS] SMBD: Support for SMBD keep alive
 protocol



> -----Original Message-----
> From: Tom Talpey
> Sent: Monday, August 14, 2017 2:07 PM
> To: Long Li <longli@...rosoft.com>; Steve French <sfrench@...ba.org>;
> linux-cifs@...r.kernel.org; samba-technical@...ts.samba.org; linux-
> kernel@...r.kernel.org
> Subject: RE: [[PATCH v1] 24/37] [CIFS] SMBD: Support for SMBD keep alive
> protocol
> 
> > -----Original Message-----
> > From: linux-cifs-owner@...r.kernel.org [mailto:linux-cifs-
> > owner@...r.kernel.org] On Behalf Of Long Li
> > Sent: Wednesday, August 2, 2017 4:11 PM
> > To: Steve French <sfrench@...ba.org>; linux-cifs@...r.kernel.org;
> > samba- technical@...ts.samba.org; linux-kernel@...r.kernel.org
> > Cc: Long Li <longli@...rosoft.com>
> > Subject: [[PATCH v1] 24/37] [CIFS] SMBD: Support for SMBD keep alive
> > protocol
> >
> > SMBD uses a keep alive protocol to help peers detect if the remote is dead.
> > When peer request keep alive, the transport needs to respond accordingly.
> 
> The keepalive exchange is also used to replenish credits in certain
> pathological conditions.
> 
> > +               // send an emtpy response right away if requested
> > +               if (le16_to_cpu(data_transfer->flags) |
> > +                               le16_to_cpu(SMB_DIRECT_RESPONSE_REQUESTED)) {
> > +                       info->keep_alive_requested = KEEP_ALIVE_PENDING;
> > +               }
> 
> This is clearly a typo, the condition is always true. "&"??

Sorry it's a typo. 

> 
> Tom.