David Howells wrote:
> Now that ->sendpage() has been removed, MSG_SENDPAGE_NOTLAST can be cleaned
> up.  Things were converted to use MSG_MORE instead, but the protocol
> sendpage stubs still convert MSG_SENDPAGE_NOTLAST to MSG_MORE, which is now
> unnecessary.
> 
> Signed-off-by: David Howells <[email protected]>
> cc: "David S. Miller" <[email protected]>
> cc: Eric Dumazet <[email protected]>
> cc: Jakub Kicinski <[email protected]>
> cc: Paolo Abeni <[email protected]>
> cc: Jens Axboe <[email protected]>
> cc: Matthew Wilcox <[email protected]>
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> cc: [email protected]
> ---
>  include/linux/socket.h                         | 4 +---
>  net/ipv4/tcp_bpf.c                             | 4 +++-
>  net/tls/tls_device.c                           | 3 +--
>  net/tls/tls_main.c                             | 2 +-
>  net/tls/tls_sw.c                               | 2 +-
>  tools/perf/trace/beauty/include/linux/socket.h | 1 -
>  tools/perf/trace/beauty/msg_flags.c            | 3 ---
>  7 files changed, 7 insertions(+), 12 deletions(-)
>
 
> @@ -90,7 +90,9 @@ static int tcp_bpf_push(struct sock *sk, struct sk_msg 
> *msg, u32 apply_bytes,
>  {
>       bool apply = apply_bytes;
>       struct scatterlist *sge;
> -     struct msghdr msghdr = { .msg_flags = flags | MSG_SPLICE_PAGES, };
> +     struct msghdr msghdr = {
> +             .msg_flags = flags | MSG_SPLICE_PAGES | MSG_MORE,
> +     };
>       struct page *page;
>       int size, ret = 0;
>       u32 off;

Is it intentional to add MSG_MORE here in this patch?

I do see that patch 3 removes this branch:

@@ -111,9 +111,6 @@  static int tcp_bpf_push(struct sock *sk, struct sk_msg 
*msg, u32 apply_bytes,
                if (has_tx_ulp)
                        msghdr.msg_flags |= MSG_SENDPAGE_NOPOLICY;
 
-               if (flags & MSG_SENDPAGE_NOTLAST)
-                       msghdr.msg_flags |= MSG_MORE;
-
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