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{
    "id": 814436,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/814436/?format=api",
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        "name": "Linux network development",
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    "msgid": "<1505519262.29839.5.camel@edumazet-glaptop3.roam.corp.google.com>",
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    "date": "2017-09-15T23:47:42",
    "name": "[net] tcp: fix data delivery rate",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
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    "hash": "92727b49b243d49e7d5b397bf7cf743297f7e17e",
    "submitter": {
        "id": 2404,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/2404/?format=api",
        "name": "Eric Dumazet",
        "email": "eric.dumazet@gmail.com"
    },
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        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505519262.29839.5.camel@edumazet-glaptop3.roam.corp.google.com/mbox/",
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        {
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            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3401",
            "date": "2017-09-15T23:47:42",
            "name": "[net] tcp: fix data delivery rate",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/3401/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/814436/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/814436/checks/",
    "tags": {},
    "related": [],
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        "X-Received": "by 10.98.57.196 with SMTP id u65mr26374951pfj.196.1505519263729; \n\tFri, 15 Sep 2017 16:47:43 -0700 (PDT)",
        "Message-ID": "<1505519262.29839.5.camel@edumazet-glaptop3.roam.corp.google.com>",
        "Subject": "[PATCH net] tcp: fix data delivery rate",
        "From": "Eric Dumazet <eric.dumazet@gmail.com>",
        "To": "David Miller <davem@davemloft.net>",
        "Cc": "liujian56@huawei.com, edumazet@google.com, ycheng@google.com,\n\thkchu@google.com, netdev@vger.kernel.org, weiyongjun1@huawei.com,\n\twangkefeng.wang@huawei.com",
        "Date": "Fri, 15 Sep 2017 16:47:42 -0700",
        "In-Reply-To": "<1505517411.29839.1.camel@edumazet-glaptop3.roam.corp.google.com>",
        "References": "<3c750ac3-8739-89ed-ce41-d4cde755171e@huawei.com>\n\t<1505313647.15310.165.camel@edumazet-glaptop3.roam.corp.google.com>\n\t<1505359839.15310.209.camel@edumazet-glaptop3.roam.corp.google.com>\n\t<20170915.143706.992734259378949259.davem@davemloft.net>\n\t<1505517411.29839.1.camel@edumazet-glaptop3.roam.corp.google.com>",
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        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "From: Eric Dumazet <edumazet@google.com>\n\nNow skb->mstamp_skb is updated later, we also need to call\ntcp_rate_skb_sent() after the update is done.\n\nFixes: 8c72c65b426b (\"tcp: update skb->skb_mstamp more carefully\")\nSigned-off-by: Eric Dumazet <edumazet@google.com>\n---\n net/ipv4/tcp_output.c |    7 +++----\n 1 file changed, 3 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c\nindex a85a8c2948e54b931f8cd956aa7938f7efd355bd..1c839c99114cd22bbfbd181cf702acccb3aeb61b 100644\n--- a/net/ipv4/tcp_output.c\n+++ b/net/ipv4/tcp_output.c\n@@ -1002,8 +1002,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,\n \tif (clone_it) {\n \t\tTCP_SKB_CB(skb)->tx.in_flight = TCP_SKB_CB(skb)->end_seq\n \t\t\t- tp->snd_una;\n-\t\ttcp_rate_skb_sent(sk, skb);\n-\n \t\toskb = skb;\n \t\tif (unlikely(skb_cloned(skb)))\n \t\t\tskb = pskb_copy(skb, gfp_mask);\n@@ -1128,9 +1126,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,\n \t\ttcp_enter_cwr(sk);\n \t\terr = net_xmit_eval(err);\n \t}\n-\tif (!err && oskb)\n+\tif (!err && oskb) {\n \t\toskb->skb_mstamp = tp->tcp_mstamp;\n-\n+\t\ttcp_rate_skb_sent(sk, oskb);\n+\t}\n \treturn err;\n }\n \n",
    "prefixes": [
        "net"
    ]
}