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

From: Tom Talpey
Date: Mon Aug 14 2017 - 17:07:02 EST


> -----Original Message-----
> From: linux-cifs-owner@xxxxxxxxxxxxxxx [mailto:linux-cifs-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Long Li
> Sent: Wednesday, August 2, 2017 4:11 PM
> To: Steve French <sfrench@xxxxxxxxx>; linux-cifs@xxxxxxxxxxxxxxx; samba-
> technical@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Cc: Long Li <longli@xxxxxxxxxxxxx>
> 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. "&"??

Tom.