From: Jens Axboe <axboe@kernel.dk>
To: Stefan Metzmacher <metze@samba.org>, io-uring@vger.kernel.org
Cc: "David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
Kuniyuki Iwashima <kuniyu@google.com>,
Willem de Bruijn <willemb@google.com>,
netdev@vger.kernel.org, linux-cifs@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] io_uring/net: wire up support for sk->sk_prot->uring_cmd() with SOCKET_URING_OP_PASSTHROUGH_FLAG
Date: Wed, 26 Nov 2025 15:19:00 -0700 [thread overview]
Message-ID: <46280bc6-0db9-4526-aa7d-3e1143c33303@kernel.dk> (raw)
In-Reply-To: <20251126111931.1788970-1-metze@samba.org>
On 11/26/25 4:19 AM, Stefan Metzmacher wrote:
> This will allow network protocols to implement async operations
> instead of using ioctl() syscalls.
>
> By using the high bit there's more than enough room for generic
> calls to be added, but also more than enough for protocols to
> implement their own specific opcodes.
>
> The IPPROTO_SMBDIRECT socket layer [1] I'm currently working on,
> will use this in future in order to let Samba use efficient RDMA offload.
Patch looks fine to me, but I think it needs to be submitted with an
actual user of it too. If not, then it's just unused infrastructure...
> [1]
> https://git.samba.org/?p=metze/linux/wip.git;a=shortlog;h=refs/heads/master-ipproto-smbdirect
This looks interesting, however!
--
Jens Axboe
next prev parent reply other threads:[~2025-11-26 22:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 11:19 [PATCH] io_uring/net: wire up support for sk->sk_prot->uring_cmd() with SOCKET_URING_OP_PASSTHROUGH_FLAG Stefan Metzmacher
2025-11-26 22:19 ` Jens Axboe [this message]
2025-11-27 10:00 ` Stefan Metzmacher
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