linux-kernel - RE: [[PATCH v1] 16/37] [CIFS] SMBD: Post a SMBD message with no payload

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Message-ID: <CY4PR21MB0182366FB8C2EC58B6A77910CE8C0@CY4PR21MB0182.namprd21.prod.outlook.com>
Date:   Mon, 14 Aug 2017 18:20:06 +0000
From:   Long Li <longli@...rosoft.com>
To:     Christoph Hellwig <hch@...radead.org>
CC:     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] 16/37] [CIFS] SMBD: Post a SMBD message with no
 payload



> -----Original Message-----
> From: Christoph Hellwig [mailto:hch@...radead.org]
> Sent: Sunday, August 13, 2017 3:24 AM
> To: Long Li <longli@...rosoft.com>
> Cc: Steve French <sfrench@...ba.org>; linux-cifs@...r.kernel.org; samba-
> technical@...ts.samba.org; linux-kernel@...r.kernel.org; Long Li
> <longli@...rosoft.com>
> Subject: Re: [[PATCH v1] 16/37] [CIFS] SMBD: Post a SMBD message with no
> payload
> 
> On Wed, Aug 02, 2017 at 01:10:27PM -0700, Long Li wrote:
> > From: Long Li <longli@...rosoft.com>
> >
> > Implement the function to send a SMBD message with no payload. This is
> required at times when we want to extend credtis to server to have it
> continue to send data, without sending any actual data payload.
> 
> Shouldn't this just be implemented as a special case in the version that posts
> data?

It uses a different packet format "struct smbd_data_transfer_no_data". I can restructure some common code to share between packet sending functions.