linux-kernel - Re: [RFC PATCH v2 1/4] net: wire up support for file_operations->uring

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Message-ID: <5c6dc00b-9e25-501f-1497-ce7f67694a0e@kernel.org>
Date:   Fri, 23 Jun 2023 08:20:25 -0700
From:   David Ahern <dsahern@...nel.org>
To:     Stefan Metzmacher <metze@...ba.org>,
        Breno Leitao <leitao@...ian.org>, axboe@...nel.dk,
        asml.silence@...il.com
Cc:     io-uring@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com,
        Matthieu Baerts <matthieu.baerts@...sares.net>,
        Mat Martineau <martineau@...nel.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Xin Long <lucien.xin@...il.com>, leit@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dccp@...r.kernel.org, mptcp@...ts.linux.dev,
        linux-sctp@...r.kernel.org, ast@...nel.org, kuniyu@...zon.com,
        martin.lau@...nel.org, Jason Xing <kernelxing@...cent.com>,
        Joanne Koong <joannelkoong@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Guillaume Nault <gnault@...hat.com>,
        Andrea Righi <andrea.righi@...onical.com>
Subject: Re: [RFC PATCH v2 1/4] net: wire up support for
 file_operations->uring_cmd()

On 6/23/23 3:17 AM, Stefan Metzmacher wrote:
> 
> I'd like to keep it passed to socket layer, so that sockets could
> implement some extra features in an async fashion.
> 
> What about having the function you posted below (and in v3)
> as a default implementation if proto_ops->uring_cmd is NULL?
> 

Nothing about this set needs uring_cmd added to proto ops. It adds uring
commands which are wrappers to networking APIs. Let's keep proper APIs
between subsystems.