Subject: Re: [PATCH 11/33] tcp: tcp_sock_set_nodelay

From: Jason Gunthorpe <[email-masked]>
Date: Wed, 13 May 2020 09:51:44 -0300

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 <[email-masked]>
> ---
>  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 <[email-masked]>

Jason