From: sashiko-bot@kernel.org
To: "David Carlier" <devnexen@gmail.com>
Cc: virtualization@lists.linux.dev,
"Michael S. Tsirkin" <mst@redhat.com>,
"Eugenio Perez" <eperezma@redhat.com>
Subject: Re: [PATCH net-next v2 1/2] vsock: support SO_INQ on stream sockets
Date: Thu, 15 Oct 2026 16:02:09 +0000 [thread overview]
Message-ID: <sashiko-outbox-173123@kernel.org> (raw)
In-Reply-To: <20261015154334.3217358-2-devnexen@gmail.com>
> SO_INQ makes recvmsg() return the bytes left in the receive queue in an
> SCM_INQ cmsg, saving a SIOCINQ call per receive. AF_UNIX stream sockets
> support it, AF_VSOCK fails with ENOPROTOOPT.
>
> Add it for SOCK_STREAM, reusing the hint already computed for io_uring.
> As with TCP_INQ, 1 is reported once the stream is finished so the caller
> reads again and sees EOF, and accepted sockets inherit the setting from
> the listener. No cmsg is sent when the transport cannot report the queue
> length.
>
> SOCK_SEQPACKET is refused, as on AF_UNIX: its transport callback counts
> messages, not bytes.
>
> Signed-off-by: David Carlier <devnexen@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261015154334.3217358-1-devnexen@gmail.com?part=1
next prev parent reply other threads:[~2026-10-15 16:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 15:43 [PATCH net-next v2 0/2] vsock: SO_INQ for stream sockets David Carlier
2026-10-15 15:43 ` [PATCH net-next v2 1/2] vsock: support SO_INQ on " David Carlier
2026-10-15 16:02 ` sashiko-bot [this message]
2026-10-15 17:07 ` Bobby Eshleman
2026-10-16 8:14 ` Stefano Garzarella
2026-10-19 6:43 ` netdev-bot+sashiko
2026-10-15 15:43 ` [PATCH net-next v2 2/2] vsock/test: cover SO_INQ David Carlier
2026-10-15 16:02 ` sashiko-bot
2026-10-15 17:12 ` Bobby Eshleman
2026-10-16 8:15 ` Stefano Garzarella
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