netdev - Re: [PATCH 11/33] tcp: tcp_sock_set

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Date:   Wed, 13 May 2020 09:51:44 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Christoph Hellwig <hch@....de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>, drbd-dev@...ts.linbit.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-nvme@...ts.infradead.org,
        target-devel@...r.kernel.org, linux-afs@...ts.infradead.org,
        linux-cifs@...r.kernel.org, cluster-devel@...hat.com,
        ocfs2-devel@....oracle.com, netdev@...r.kernel.org,
        linux-sctp@...r.kernel.org, ceph-devel@...r.kernel.org,
        rds-devel@....oracle.com, linux-nfs@...r.kernel.org
Subject: Re: [PATCH 11/33] tcp: tcp_sock_set_nodelay

On Wed, May 13, 2020 at 08:26:26AM +0200, Christoph Hellwig wrote:
> Add a helper to directly set the TCP_NODELAY sockopt from kernel space
> without going through a fake uaccess.  Cleanup the callers to avoid
> pointless wrappers now that this is a simple function call.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/block/drbd/drbd_int.h             |  7 ----
>  drivers/block/drbd/drbd_main.c            |  2 +-
>  drivers/block/drbd/drbd_receiver.c        |  4 +--
>  drivers/infiniband/sw/siw/siw_cm.c        | 24 +++-----------
>  drivers/nvme/host/tcp.c                   |  9 +-----
>  drivers/nvme/target/tcp.c                 | 12 ++-----
>  drivers/target/iscsi/iscsi_target_login.c | 15 ++-------
>  fs/cifs/connect.c                         | 10 ++----
>  fs/dlm/lowcomms.c                         |  8 ++---
>  fs/ocfs2/cluster/tcp.c                    | 20 ++----------
>  include/linux/tcp.h                       |  1 +
>  net/ceph/messenger.c                      | 11 ++-----
>  net/ipv4/tcp.c                            | 39 +++++++++++++++--------
>  net/rds/tcp.c                             | 11 +------
>  net/rds/tcp.h                             |  1 -
>  net/rds/tcp_listen.c                      |  2 +-
>  16 files changed, 49 insertions(+), 127 deletions(-)

No problem with the siw change

Acked-by: Jason Gunthorpe <jgg@...lanox.com>

Jason