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Thu, 12 Feb 2026 18:53:38 +0000 (UTC) Received: from localhost (unknown [10.2.17.121]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 54F011800670; Thu, 12 Feb 2026 18:53:38 +0000 (UTC) Date: Wed, 11 Feb 2026 17:50:52 -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 6/7] fuse: add 'io-uring' option Message-ID: <20260211225052.GG234157@fedora> References: <20260207120901.17222-1-hibriansong@gmail.com> <20260207120901.17222-7-hibriansong@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="cjDhQfLF9Bi5Pi5r" Content-Disposition: inline In-Reply-To: <20260207120901.17222-7-hibriansong@gmail.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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 --cjDhQfLF9Bi5Pi5r Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Feb 07, 2026 at 08:09:00PM +0800, Brian Song wrote: > This patch adds a new storage export option for storage-export-daemon > to enable FUSE-over-io_uring via 'io-uring=3Don|off' (default: off). >=20 > The initialization phase performs a protocol handshake via the legacy > /dev/fuse interface before transitioning to the io_uring mode. > If multiple IOThreads are configured, the export distributes the uring > queues to handle requests concurrently. >=20 > Suggested-by: Kevin Wolf > Suggested-by: Stefan Hajnoczi > Signed-off-by: Brian Song > --- > block/export/fuse.c | 3 +-- > docs/tools/qemu-storage-daemon.rst | 7 +++++-- > qapi/block-export.json | 5 ++++- > storage-daemon/qemu-storage-daemon.c | 1 + > 4 files changed, 11 insertions(+), 5 deletions(-) Aside from Markus' comment: Reviewed-by: Stefan Hajnoczi --cjDhQfLF9Bi5Pi5r Content-Type: application/pgp-signature; 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