From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82EADEEA845 for ; Thu, 12 Feb 2026 18:55:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vqbom-0003uQ-FN; Thu, 12 Feb 2026 13:53:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vqbok-0003tH-PK for qemu-devel@nongnu.org; Thu, 12 Feb 2026 13:53:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vqboi-0003zl-5N for qemu-devel@nongnu.org; Thu, 12 Feb 2026 13:53:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770922411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WA/GZLGGPdjr4VlGKYqeIVW4SDLban5i69uc3dY0RA8=; b=aICdFAIitXW0hA+Sk5Jw9eT3liuApJdHNpRZT68NRAk5vm+K/2z/P5aaUps0Xozxpg7wyX RXfVeIpuU1Rw5tN35hCt3/fEmCWxMToCETSRKsPUReeLV/Mq9xK3mDHUoX4rUGnAXpWRu9 yFmGS5krXxcqq9LM2XYnoE2fuWg/cHE= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-589-oEKIbTbmOxqqo5iNmPhnUw-1; Thu, 12 Feb 2026 13:53:29 -0500 X-MC-Unique: oEKIbTbmOxqqo5iNmPhnUw-1 X-Mimecast-MFC-AGG-ID: oEKIbTbmOxqqo5iNmPhnUw_1770922408 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 35C1B19560A7; Thu, 12 Feb 2026 18:53:28 +0000 (UTC) Received: from localhost (unknown [10.2.17.121]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1E93830001B9; Thu, 12 Feb 2026 18:53:26 +0000 (UTC) Date: Wed, 11 Feb 2026 15:28:53 -0500 From: Stefan Hajnoczi To: Brian Song Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, hreitz@redhat.com, kwolf@redhat.com, eblake@redhat.com, armbru@redhat.com, fam@euphon.net, bernd@bsbernd.com Subject: Re: [Patch v4 1/7] aio-posix: enable 128-byte SQEs Message-ID: <20260211202853.GA234157@fedora> References: <20260207120901.17222-1-hibriansong@gmail.com> <20260207120901.17222-2-hibriansong@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="9pKd5KNZSIZtzHPQ" Content-Disposition: inline In-Reply-To: <20260207120901.17222-2-hibriansong@gmail.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_12_24=1.049, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --9pKd5KNZSIZtzHPQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 07, 2026 at 08:08:55PM +0800, Brian Song wrote: > This patch enables the IORING_SETUP_SQE128 flag during io_uring > initialization to support the FUSE protocol requirements. >=20 > The FUSE-over-io_uring implementation embeds a protocol-specific > structure directly into the Submission Queue Entry (SQE) > to pass metadata such as the queue ID and commit ID. >=20 > Enabling SQE128 expands the SQE size to 128 bytes, providing 80 bytes > of available command space. This ensures sufficient room for the FUSE > headers and future protocol extensions. >=20 > Suggested-by: Kevin Wolf > Suggested-by: Stefan Hajnoczi > Signed-off-by: Brian Song > --- > util/fdmon-io_uring.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) Reviewed-by: Stefan Hajnoczi --9pKd5KNZSIZtzHPQ Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmmM5oUACgkQnKSrs4Gr c8iGmwgAxvUWGMIwt0t8TPBk3P764pzb0ZbqDwK8YuqSkgzSHCJPS0XzGwopTThC 8fjjr03CoBA0tovRSBhTxNtVJHDKemU4oZnyFpiUn/VIfaBCS+YiDp0mjy5wWEY0 J+yuEnyDqtAvDQSrQ5hUYUOloTOhhJVQWvKOr04s1cELwfz4esqqPBE6pr0BnOzB x8gyUDStgs1/dzGwR3aMpxgOMU8EoofgiHmsYMfC3WGkRwbHQhHJFq0A5/wGH2AW n6vnU4cj4vVu3rwARuD2run0K8345G5QC/Lh1xkWbEA6A2weOHKjVuDOOdpnPMXo g7v9I+QVT6QuKxpUvC/cddS/0mMaog== =qWel -----END PGP SIGNATURE----- --9pKd5KNZSIZtzHPQ--