netdev - Re: [PATCH net-next] RDS: deliver zerocopy completion notification with data as an optimization

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Message-ID: <536484f9-8b87-6c13-ec38-5db9358a3e2b@oracle.com>
Date:   Wed, 21 Feb 2018 13:04:33 -0800
From:   Santosh Shilimkar <santosh.shilimkar@...cle.com>
To:     Sowmini Varadhan <sowmini.varadhan@...cle.com>,
        netdev@...r.kernel.org, willemdebruijn.kernel@...il.com
Cc:     davem@...emloft.net, rds-devel@....oracle.com
Subject: Re: [PATCH net-next] RDS: deliver zerocopy completion notification
 with data as an optimization

On 2/21/2018 12:19 PM, Sowmini Varadhan wrote:
> This commit is an optimization that builds on top of commit 01883eda72bd
> ("rds: support for zcopy completion notification") for PF_RDS sockets.
> 
> Cookies associated with zerocopy completion are passed up on the POLLIN
> channel, piggybacked with data whereever possible. Such cookies are passed
s/whereever/wherever

> up as ancillary data (at level SOL_RDS) in a struct rds_zcopy_cookies when
> the returned value of recvmsg() is >= 0. A max of SO_EE_ORIGIN_MAX_ZCOOKIES
> may be passed with each message.
> 
> Signed-off-by: Sowmini Varadhan <sowmini.varadhan@...cle.com>
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar@...cle.com>