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Mon, 24 Feb 2020 10:48:37 -0800 (PST) Received: from [192.168.43.177] ([109.126.137.65]) by smtp.gmail.com with ESMTPSA id l131sm405214wmf.31.2020.02.24.10.48.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Feb 2020 10:48:36 -0800 (PST) To: Jens Axboe , io-uring@vger.kernel.org References: <56c83973-db0f-cc25-4b78-6c9a74431d2a@kernel.dk> <060087a8-a6c1-b44c-1b7c-3fc0de3a4a5d@gmail.com> <12eb524a-cc65-48e1-d82e-5e3d07ff444a@kernel.dk> <20e51d15-82d8-3e91-a1ca-36dccd9d30e7@gmail.com> <89272517-d4c4-1a0f-f955-af2b1c1a337f@kernel.dk> From: Pavel Begunkov 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 liburing v5 2/2] test/splice: add basic splice tests Message-ID: Date: Mon, 24 Feb 2020 21:47:49 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <89272517-d4c4-1a0f-f955-af2b1c1a337f@kernel.dk> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="x5qUnh5uel9d6KjA5RgVglXRKnTTqzlJL" Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --x5qUnh5uel9d6KjA5RgVglXRKnTTqzlJL Content-Type: multipart/mixed; boundary="yDe19ZAXCpZxJfWjIrOkHOHtTAdkYj5XA"; protected-headers="v1" From: Pavel Begunkov To: Jens Axboe , io-uring@vger.kernel.org Message-ID: Subject: Re: [PATCH liburing v5 2/2] test/splice: add basic splice tests References: <56c83973-db0f-cc25-4b78-6c9a74431d2a@kernel.dk> <060087a8-a6c1-b44c-1b7c-3fc0de3a4a5d@gmail.com> <12eb524a-cc65-48e1-d82e-5e3d07ff444a@kernel.dk> <20e51d15-82d8-3e91-a1ca-36dccd9d30e7@gmail.com> <89272517-d4c4-1a0f-f955-af2b1c1a337f@kernel.dk> In-Reply-To: <89272517-d4c4-1a0f-f955-af2b1c1a337f@kernel.dk> --yDe19ZAXCpZxJfWjIrOkHOHtTAdkYj5XA Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 24/02/2020 21:41, Jens Axboe wrote: >> I've wanted for long to kill this weird behaviour, it should consume t= he whole >> link. Can't imagine any userspace app handling all edge-case errors ri= ght... >=20 > Yeah, for links it makes sense to error the chain, which would consume > the whole chain too. >=20 >>> submit fails. I'll clean up that bit. >> >> ...I should have tested better. Thanks! >=20 > No worries, just trying to do better than we have in the best so we can= > have some vague hope of having the test suite pass on older stable > kernels. Have you gave a thought to using C++ for testing? It would be really nice= to have some flexible test generator removing boilerplate and allowing automatically try different flags combinations. It sounds like a lot of p= ain doing this in old plain C. --=20 Pavel Begunkov --yDe19ZAXCpZxJfWjIrOkHOHtTAdkYj5XA-- --x5qUnh5uel9d6KjA5RgVglXRKnTTqzlJL Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE+6JuPTjTbx479o3OWt5b1Glr+6UFAl5UGlUACgkQWt5b1Glr +6VmTQ/9HFONmIo0ddZjz7OXLH8OzGpV0crebHL+QACy2T6CsNYv2x29CCn13x9Z IQ4hQS32H1xe5p5ofXwyxAIGXLQhy43h74DRoVuDk72jRw1d0CZutXy3KJ1JdzZy 4qsx9P4FdCSC9mceaSq+cTXQY0DfH+vr1/BMOfOV6DoJm79+ev4c68m2inpM5/NY KYHYyUpFjqMz7DNrb9rG/IvIQP5/xrSGpSbUEUsgBLUXfiM9Q03/HZP1Hm1eBcpF Q5CbTMWWwF9I+/a7mEfaJXZmb8x8Bdsdo4t4aSRk3To+IDUvOwNuSLslwMZjum0A gFufYxMVlXLFs9VosWwWiOavuRr+SwdTIJmxHkkzZRa69fGXvC6hGKaUKoinM7ne 0SawrASHzjuHWdGN3S+8h9Eb/bvOityZitXKkR4FTE2x9YtH8iQn13u850us+S4X hssdZCmBpQDep6EfkbAGSRaVTim0rSwwpOM6AuKjvQ2OD+l/qXpzz30y4AfB+smR 1eDNRTKwlhMFsXTknt/cUqzZVdRRfQk91zBxYzAwYuypCNJaPT8JCQOx4o1YWBZX T3L+cfi9vhsiYCdR4bYrGd5cWYhTk8CHMjtUqy19/f6YoyWheK0Jrtvg6Cr8DQsn dewA+o93r2Rw2EddsgJhdZZK27q8YcdtbrPeQ/KPYh2R2K6YZrs= =R3vW -----END PGP SIGNATURE----- --x5qUnh5uel9d6KjA5RgVglXRKnTTqzlJL--