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Wed, 06 Nov 2019 10:18:18 -0800 (PST) From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org, linux-block@vger.kernel.org Cc: Bob Liu References: Autocrypt: addr=asml.silence@gmail.com; prefer-encrypt=mutual; keydata= mQINBFmKBOQBEAC76ZFxLAKpDw0bKQ8CEiYJRGn8MHTUhURL02/7n1t0HkKQx2K1fCXClbps bdwSHrhOWdW61pmfMbDYbTj6ZvGRvhoLWfGkzujB2wjNcbNTXIoOzJEGISHaPf6E2IQx1ik9 6uqVkK1OMb7qRvKH0i7HYP4WJzYbEWVyLiAxUj611mC9tgd73oqZ2pLYzGTqF2j6a/obaqha +hXuWTvpDQXqcOZJXIW43atprH03G1tQs7VwR21Q1eq6Yvy2ESLdc38EqCszBfQRMmKy+cfp W3U9Mb1w0L680pXrONcnlDBCN7/sghGeMHjGKfNANjPc+0hzz3rApPxpoE7HC1uRiwC4et83 CKnncH1l7zgeBT9Oa3qEiBlaa1ZCBqrA4dY+z5fWJYjMpwI1SNp37RtF8fKXbKQg+JuUjAa9 Y6oXeyEvDHMyJYMcinl6xCqCBAXPHnHmawkMMgjr3BBRzODmMr+CPVvnYe7BFYfoajzqzq+h EyXSl3aBf0IDPTqSUrhbmjj5OEOYgRW5p+mdYtY1cXeK8copmd+fd/eTkghok5li58AojCba jRjp7zVOLOjDlpxxiKhuFmpV4yWNh5JJaTbwCRSd04sCcDNlJj+TehTr+o1QiORzc2t+N5iJ NbILft19Izdn8U39T5oWiynqa1qCLgbuFtnYx1HlUq/HvAm+kwARAQABtDFQYXZlbCBCZWd1 bmtvdiAoc2lsZW5jZSkgPGFzbWwuc2lsZW5jZUBnbWFpbC5jb20+iQJOBBMBCAA4FiEE+6Ju PTjTbx479o3OWt5b1Glr+6UFAlmKBOQCGwMFCwkIBwIGFQgJCgsCBBYCAwECHgECF4AACgkQ Wt5b1Glr+6WxZA//QueaKHzgdnOikJ7NA/Vq8FmhRlwgtP0+E+w93kL+ZGLzS/cUCIjn2f4Q Mcutj2Neg0CcYPX3b2nJiKr5Vn0rjJ/suiaOa1h1KzyNTOmxnsqE5fmxOf6C6x+NKE18I5Jy xzLQoktbdDVA7JfB1itt6iWSNoOTVcvFyvfe5ggy6FSCcP+m1RlR58XxVLH+qlAvxxOeEr/e aQfUzrs7gqdSd9zQGEZo0jtuBiB7k98t9y0oC9Jz0PJdvaj1NZUgtXG9pEtww3LdeXP/TkFl HBSxVflzeoFaj4UAuy8+uve7ya/ECNCc8kk0VYaEjoVrzJcYdKP583iRhOLlZA6HEmn/+Gh9 4orG67HNiJlbFiW3whxGizWsrtFNLsSP1YrEReYk9j1SoUHHzsu+ZtNfKuHIhK0sU07G1OPN 2rDLlzUWR9Jc22INAkhVHOogOcc5ajMGhgWcBJMLCoi219HlX69LIDu3Y34uIg9QPZIC2jwr 24W0kxmK6avJr7+n4o8m6sOJvhlumSp5TSNhRiKvAHB1I2JB8Q1yZCIPzx+w1ALxuoWiCdwV M/azguU42R17IuBzK0S3hPjXpEi2sK/k4pEPnHVUv9Cu09HCNnd6BRfFGjo8M9kZvw360gC1 reeMdqGjwQ68o9x0R7NBRrtUOh48TDLXCANAg97wjPoy37dQE7e5Ag0EWYoE5AEQAMWS+aBV IJtCjwtfCOV98NamFpDEjBMrCAfLm7wZlmXy5I6o7nzzCxEw06P2rhzp1hIqkaab1kHySU7g dkpjmQ7Jjlrf6KdMP87mC/Hx4+zgVCkTQCKkIxNE76Ff3O9uTvkWCspSh9J0qPYyCaVta2D1 Sq5HZ8WFcap71iVO1f2/FEHKJNz/YTSOS/W7dxJdXl2eoj3gYX2UZNfoaVv8OXKaWslZlgqN jSg9wsTv1K73AnQKt4fFhscN9YFxhtgD/SQuOldE5Ws4UlJoaFX/yCoJL3ky2kC0WFngzwRF Yo6u/KON/o28yyP+alYRMBrN0Dm60FuVSIFafSqXoJTIjSZ6olbEoT0u17Rag8BxnxryMrgR dkccq272MaSS0eOC9K2rtvxzddohRFPcy/8bkX+t2iukTDz75KSTKO+chce62Xxdg62dpkZX xK+HeDCZ7gRNZvAbDETr6XI63hPKi891GeZqvqQVYR8e+V2725w+H1iv3THiB1tx4L2bXZDI DtMKQ5D2RvCHNdPNcZeldEoJwKoA60yg6tuUquvsLvfCwtrmVI2rL2djYxRfGNmFMrUDN1Xq F3xozA91q3iZd9OYi9G+M/OA01husBdcIzj1hu0aL+MGg4Gqk6XwjoSxVd4YT41kTU7Kk+/I 5/Nf+i88ULt6HanBYcY/+Daeo/XFABEBAAGJAjYEGAEIACAWIQT7om49ONNvHjv2jc5a3lvU aWv7pQUCWYoE5AIbDAAKCRBa3lvUaWv7pfmcEACKTRQ28b1y5ztKuLdLr79+T+LwZKHjX++P 4wKjEOECCcB6KCv3hP+J2GCXDOPZvdg/ZYZafqP68Yy8AZqkfa4qPYHmIdpODtRzZSL48kM8 LRzV8Rl7J3ItvzdBRxf4T/Zseu5U6ELiQdCUkPGsJcPIJkgPjO2ROG/ZtYa9DvnShNWPlp+R uPwPccEQPWO/NP4fJl2zwC6byjljZhW5kxYswGMLBwb5cDUZAisIukyAa8Xshdan6C2RZcNs rB3L7vsg/R8UCehxOH0C+NypG2GqjVejNZsc7bgV49EOVltS+GmGyY+moIzxsuLmT93rqyII 5rSbbcTLe6KBYcs24XEoo49Zm9oDA3jYvNpeYD8rDcnNbuZh9kTgBwFN41JHOPv0W2FEEWqe JsCwQdcOQ56rtezdCJUYmRAt3BsfjN3Jn3N6rpodi4Dkdli8HylM5iq4ooeb5VkQ7UZxbCWt UVMKkOCdFhutRmYp0mbv2e87IK4erwNHQRkHUkzbsuym8RVpAZbLzLPIYK/J3RTErL6Z99N2 m3J6pjwSJY/zNwuFPs9zGEnRO4g0BUbwGdbuvDzaq6/3OJLKohr5eLXNU3JkT+3HezydWm3W OPhauth7W0db74Qd49HXK0xe/aPrK+Cp+kU1HRactyNtF8jZQbhMCC8vMGukZtWaAwpjWiiH bA== Subject: Re: [PATCH 1/1] io_uring: Remove extra io_commit_sqring() Message-ID: <8bef0309-6dce-7ed3-7309-b38738265f5c@gmail.com> Date: Wed, 6 Nov 2019 21:17:58 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zsViKMeCG846KwsfTraREW6rEFEs6Yrer" Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --zsViKMeCG846KwsfTraREW6rEFEs6Yrer Content-Type: multipart/mixed; boundary="a1SBaAABv8fH1nVYr4ytXLKb6TRhc2Z2Z"; protected-headers="v1" From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org, linux-block@vger.kernel.org Cc: Bob Liu Message-ID: <8bef0309-6dce-7ed3-7309-b38738265f5c@gmail.com> Subject: Re: [PATCH 1/1] io_uring: Remove extra io_commit_sqring() References: In-Reply-To: --a1SBaAABv8fH1nVYr4ytXLKb6TRhc2Z2Z Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable This was noticed by Bob, though I haven't had time to fix and resend the cleanup patches before they were applied.=20 On 06/11/2019 21:12, Pavel Begunkov wrote: > io_submit_sqes() calls io_commit_sqring() at the end, so there is no > need for sq_thread to repeat it. >=20 > Fixes: 09c0eb1f1b93b9cf ("io_uring: Merge io_submit_sqes and > io_ring_submit"). >=20 > Reported-by: Bob Liu > Signed-off-by: Pavel Begunkov > --- > fs/io_uring.c | 3 --- > 1 file changed, 3 deletions(-) >=20 > diff --git a/fs/io_uring.c b/fs/io_uring.c > index ba77475c1cec..6524898831e0 100644 > --- a/fs/io_uring.c > +++ b/fs/io_uring.c > @@ -2868,9 +2868,6 @@ static int io_sq_thread(void *data) > to_submit =3D min(to_submit, ctx->sq_entries); > inflight +=3D io_submit_sqes(ctx, to_submit, NULL, -1, &cur_mm, > true); > - > - /* Commit SQ ring head once we've consumed all SQEs */ > - io_commit_sqring(ctx); > } > =20 > set_fs(old_fs); >=20 --=20 Pavel Begunkov --a1SBaAABv8fH1nVYr4ytXLKb6TRhc2Z2Z-- --zsViKMeCG846KwsfTraREW6rEFEs6Yrer Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE+6JuPTjTbx479o3OWt5b1Glr+6UFAl3DDmEACgkQWt5b1Glr +6UCyBAAqyk88Xap1OrxJRkfzXVmQILgYuAdplxxv/eAJEMU9mfyrLSCZ93WARIE zzK++tUE1cz1u7d5c4Q5CDTI1jIrpsnofQ+uiUFh0DaSmORmhnfDdqP95OINZjOA MivwlqamBSsYLZx3PfHsIXU+VfratT+3Rd8tpfyzuvc4ysgq4sDJDglGLZOmVB4g cIAazg+eZF9129EgF26BfbEIGaScvSCnR7gLkx4epQMF7lmqdfOvwprCGqy4K6xx mchVJfOkLeMT3f6gFUvFCyTiYKDLHPTCWi842o32lNpvVWof2UJRQtS9/l3Z63CU DWRElncWFs6FIdqOajSSJPk9jq4hvAZxLBGjFBoQ6qweIz1Pyzh4ig1txpFkXwvl 5fmmd9iUY6xIDy22QA+YAjotrZX1td++f0QqY+TRSn+PasAjugMEw4F2UXQ1qzXz l9l9M8xUQAsDeNCGU6UT3rBeN/rtz+B6BecHYdaw8FGwYh5ksBpgqyyMAP48ptCt XOdHvYSyfTtTOHjYdEa7UXQw1D2uRu/i1OgqKNgytXmZJ1pyfSah98F6IKAiq5JB 4AfO4iU4x45ofWrVtE0K5Lc2WenuYOkZ9lRzXsEL1Bahrv3NCUNwvO9JUlmabQRq WwK//q/MGHV5qXy3C/9XBuCF3XADUzEtopvSrEst43dXxPJ6mhY= =10jU -----END PGP SIGNATURE----- --zsViKMeCG846KwsfTraREW6rEFEs6Yrer--