netdev - Re: [RFC PATCH 4/5] Partially revert "tcp: factor out tcp_build

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Date:   Fri, 17 Sep 2021 19:31:04 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     netdev <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Ayush Sawal <ayush.sawal@...lsio.com>,
        MPTCP Upstream <mptcp@...ts.linux.dev>
Subject: Re: [RFC PATCH 4/5] Partially revert "tcp: factor out
 tcp_build_frag()"

On Fri, 2021-09-17 at 09:41 -0700, Eric Dumazet wrote:
> On Fri, Sep 17, 2021 at 8:39 AM Paolo Abeni <pabeni@...hat.com> wrote:
> > This is a partial revert for commit b796d04bd014 ("tcp:
> > factor out tcp_build_frag()").
> > 
> > MPTCP was the only user of the tcp_build_frag helper, and after
> > the previous patch MPTCP does not use the mentioned helper anymore.
> > Let's avoid exposing TCP internals.
> > 
> > The revert is partial, as tcp_remove_empty_skb(), exposed
> > by the same commit is still required.
> > 
> 
> I would simply remove the extern in include, and make this nice helper static ?
> 
> This would avoid code churn, and keep a clean code.

I thought you would have preferred otherwise. I'll make the helper
static in the next iteration.

Thanks!

Paolo