On Mon, Nov 25, 2013 at 7:36 AM, Shawn Landden <shawn@xxxxxxxxxxxxxxx> wrote:
> Commit 35f9c09fe (tcp: tcp_sendpages() should call tcp_push() once)
> added an internal flag MSG_SENDPAGE_NOTLAST, similar to
> MSG_MORE.
>
> algif_hash, algif_skcipher, and udp used MSG_MORE from tcp_sendpages()
> and need to see the new flag as identical to MSG_MORE.
>
> This fixes sendfile() on AF_ALG.
>
> v3: also fix udp
>
> Cc: Tom Herbert <therbert@xxxxxxxxxx>
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.4.x + 3.2.x
> Reported-and-tested-by: Shawn Landden <shawnlandden@xxxxxxxxx>
> Original-patch: Richard Weinberger <richard@xxxxxx>
> Signed-off-by: Shawn Landden <shawn@xxxxxxxxxxxxxxx>
May I ask why you took over the my patch without even CC'in me nor
replying to the original
thread "[PATCH] pipe_to_sendpage: Ensure that MSG_MORE is set if we
set MSG_SENDPAGE_NOTLAST"?
You are acting very rude.
The discussion at the original thread is not done.
Does skcipher_sendpage() really also need fixing? or UDP?
I didn't send another patch because I'm waiting for Eric's answer first.
Thanks,
//richard
> ---
> crypto/algif_hash.c | 3 +++
> crypto/algif_skcipher.c | 3 +++
> net/ipv4/udp.c | 3 +++
> 3 files changed, 9 insertions(+)
>
> diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
> index ef5356c..8502462 100644
> --- a/crypto/algif_hash.c
> +++ b/crypto/algif_hash.c
> @@ -114,6 +114,9 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page,
> struct hash_ctx *ctx = ask->private;
> int err;
>
> + if (flags & MSG_SENDPAGE_NOTLAST)
> + flags |= MSG_MORE;
> +
> lock_sock(sk);
> sg_init_table(ctx->sgl.sg, 1);
> sg_set_page(ctx->sgl.sg, page, size, offset);
> diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
> index 6a6dfc0..a19c027 100644
> --- a/crypto/algif_skcipher.c
> +++ b/crypto/algif_skcipher.c
> @@ -378,6 +378,9 @@ static ssize_t skcipher_sendpage(struct socket *sock, struct page *page,
> struct skcipher_sg_list *sgl;
> int err = -EINVAL;
>
> + if (flags & MSG_SENDPAGE_NOTLAST)
> + flags |= MSG_MORE;
> +
> lock_sock(sk);
> if (!ctx->more && ctx->used)
> goto unlock;
> diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
> index 5944d7d..8bd04df 100644
> --- a/net/ipv4/udp.c
> +++ b/net/ipv4/udp.c
> @@ -1098,6 +1098,9 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset,
> struct udp_sock *up = udp_sk(sk);
> int ret;
>
> + if (flags & MSG_SENDPAGE_NOTLAST)
> + flags |= MSG_MORE;
> +
> if (!up->pending) {
> struct msghdr msg = { .msg_flags = flags|MSG_MORE };
>
> --
> 1.8.4.4
>
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--
Thanks,
//richard
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