linux-kernel - Re: [net-next, 2/3] tcp: convert icsk_user

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Message-ID: <1f74d1b6-d404-dd18-5d8b-a08529599126@gmail.com>
Date:   Mon, 16 Jul 2018 08:58:24 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Jon Maxwell <jmaxwell37@...il.com>, davem@...emloft.net
Cc:     edumazet@...gle.com, ncardwell@...gle.com, David.Laight@...lab.com,
        kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        jmaxwell@...hat.com
Subject: Re: [net-next, 2/3] tcp: convert icsk_user_timeout from jiffies to
 msecs



On 07/12/2018 05:02 PM, Jon Maxwell wrote:
> Create a seperate helper routine called tcp_retransmit_stamp() as per Neal 
> Cardwells suggestion. To be used by the final commit in this series and 
> retransmits_timed_out().
> 
> Signed-off-by: Jon Maxwell <jmaxwell37@...il.com>
> ---
>  net/ipv4/tcp_timer.c | 25 +++++++++++++++++--------
>  1 file changed, 17 insertions(+), 8 deletions(-)
> 
> diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
> index fa34984d0b12..8ab8c9645294 100644
> --- a/net/ipv4/tcp_timer.c
> +++ b/net/ipv4/tcp_timer.c
> @@ -22,6 +22,20 @@
>  #include <linux/gfp.h>
>  #include <net/tcp.h>
>  
> +u32 tcp_retransmit_stamp(const struct sock *sk)
> +{
> +	u32 start_ts = tcp_sk(sk)->retrans_stamp;
> +
> +	if (unlikely(!start_ts)) {
> +		struct sk_buff *head = tcp_rtx_queue_head(sk);
> +
> +	if (!head)
> +		return 0;
> +	start_ts = tcp_skb_timestamp(head);
> +	}?


Indentation is fuzzy.

Can you send a new version, with a cover letter ?

git format-patch -o ../output --cover-letter --subject-prefix "PATCH net-next" origin

...

Thanks !