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SubjectRe: [PATCH] tcp: Fix comments for Nagle algorithm
On 11/05/2011 07:53 PM, Feng King wrote:
> TCP_NODELAY is weaker than TCP_CORK, when TCP_CORK was set, small
> segments will always pass Nagle test regardless of TCP_NODELAY option.
>
> Signed-off-by: Feng King <kinwin2008@gmail.com>
>

You have missed adding "---" after the Signed-off-by line.
The tools that are used to extract the patch from the email will look
for that symbol to distinguish things.

[FYI, tools like git or stgit can generate your patches in the right
format automatically for you.]

Thanks,
Srivatsa S. Bhat

> diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
> index 882e0b0..a908f95 100644
> --- a/net/ipv4/tcp_output.c
> +++ b/net/ipv4/tcp_output.c
> @@ -1377,7 +1377,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp)
> /* Return 0, if packet can be sent now without violation Nagle's rules:
> * 1. It is full sized.
> * 2. Or it contains FIN. (already checked by caller)
> - * 3. Or TCP_NODELAY was set.
> + * 3. Or TCP_CORK is not set, and TCP_NODELAY is set.
> * 4. Or TCP_CORK is not set, and all sent packets are ACKed.
> * With Minshall's modification: all sent small packets are ACKed.
> */


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