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Thu, 21 Oct 2021 15:19:59 +0000 (UTC) Received: from localhost (unknown [10.39.195.42]) by smtp.corp.redhat.com (Postfix) with ESMTP id BBAC77944B; Thu, 21 Oct 2021 15:19:49 +0000 (UTC) Date: Thu, 21 Oct 2021 16:19:48 +0100 From: Stefan Hajnoczi To: Stefano Garzarella Subject: Re: [PATCH 2/3] linux-aio: add `dev_max_batch` parameter to laio_co_submit() Message-ID: References: <20210923143100.182979-1-sgarzare@redhat.com> <20210923143100.182979-3-sgarzare@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210923143100.182979-3-sgarzare@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="NDx1GYLgomhW8eBZ" Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, qemu-devel@nongnu.org, Markus Armbruster , Hanna Reitz , Eric Blake Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --NDx1GYLgomhW8eBZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 23, 2021 at 04:30:59PM +0200, Stefano Garzarella wrote: > This new parameter can be used by block devices to limit the > Linux AIO batch size more than the limit set by the AIO context. >=20 > file-posix backend supports this, passing its `aio-max-batch` option > previously added. >=20 > Add an helper function to calculate the maximum batch size. >=20 > Signed-off-by: Stefano Garzarella > --- > include/block/raw-aio.h | 3 ++- > block/file-posix.c | 3 ++- > block/linux-aio.c | 30 ++++++++++++++++++++++-------- > 3 files changed, 26 insertions(+), 10 deletions(-) Reviewed-by: Stefan Hajnoczi --NDx1GYLgomhW8eBZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmFxhRQACgkQnKSrs4Gr c8ifggf+P1rDv/+Q4xQFHrd7NHvtXgWqH+hgo15l4iBfIFZCTjopI+egWvhrpnQg zs6eIK9dN7suRnwPrIpkygXCvqFivALPZAwe9akr1aedzDPlAZ5xhbF0JGvlqo5k 7Pm27AZsScfu3M2AZrcXaQ1Fwig+bP0S/yYqF1gRGyN+XvuXRtAEZRZC0ZsZYIKA NEUxXOgNWFpjRpEu4TyCUFCfBUOdpFfTzYXK5BVpO89Jcri+k0fsUziLgFQ4IKW1 ONdlznLTtogD8o1nZX8NBGgxrLRcjxXR4BI3QeKEJPit/VyP9c+hBWKWP21Pek+5 XTX1q6UjaEKfE5nnfQqi32bx1JWdMQ== =/t1M -----END PGP SIGNATURE----- --NDx1GYLgomhW8eBZ--