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 X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 978F6C2D0DB for ; Mon, 27 Jan 2020 17:28:35 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 62EEC207FD for ; Mon, 27 Jan 2020 17:28:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62EEC207FD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vt.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.92.3) (envelope-from ) id 1iw8BI-000697-6k; Mon, 27 Jan 2020 12:28:12 -0500 Received: from omr2.cc.ipv6.vt.edu ([2607:b400:92:8400:0:33:fb76:806e] helo=omr2.cc.vt.edu) by shelob.surriel.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) (envelope-from ) id 1iw8BF-00068z-CK for kernelnewbies@kernelnewbies.org; Mon, 27 Jan 2020 12:28:09 -0500 Received: from mr4.cc.vt.edu (mr4.cc.ipv6.vt.edu [IPv6:2607:b400:92:8300:0:7b:e2b1:6a29]) by omr2.cc.vt.edu (8.14.4/8.14.4) with ESMTP id 00RHS6NH032424 for ; Mon, 27 Jan 2020 12:28:08 -0500 Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) by mr4.cc.vt.edu (8.14.7/8.14.7) with ESMTP id 00RHS1d8007065 for ; Mon, 27 Jan 2020 12:28:06 -0500 Received: by mail-qt1-f198.google.com with SMTP id a13so6660614qtp.8 for ; Mon, 27 Jan 2020 09:28:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=nZM8BsLQYXb8y+26H0IXks11EQaG6aUwnMhACDWTjT0=; b=FYl7eVNTGI7l4dIycQOSNKiXS6VEgmadoGKTmA+7ssvxCbb0zq7ayVym2B1uQm3DkA 9cikRfHuO4EH6DYqGgCzRCxHdnlfQwNb+neBQpwe5tv5TNaIMr73qbmBleV9k57qNokm 1yizufIsj8gXp+8W7cLpf6fPI17f8kY85EUVjxDxHKrHDzuYWJatbuw1Z6zRCY5SKn+t L4d5k9+XO020OdTRWJiiUKuWGNk5yebjA4E0G26M2+M65sq05dLzJoK98s8dcomm03Pg jnrlMvw/boB8mlqGYrhyg9yzD7tfcEDWGk2x5ZewaCOSYnMdRQeEOLEZlUjXDWePJ/QN rpDg== X-Gm-Message-State: APjAAAVdN+4q6kPwrFhLnQ3j54i8LCngb5/ybffvqAexaEZ02219bIBq QYqh9mpfl08hldYQQ+v5VfJpYU9OSAFa2ddvm4/RWxYd492iPiiaF9Ui1QU1jvCz9teikqC7RPX FfDRGefrjZ30z5m9KNhCqqBG7NIAt9jKmXQuwIL0= X-Received: by 2002:a05:6214:1090:: with SMTP id o16mr17804666qvr.105.1580146080725; Mon, 27 Jan 2020 09:28:00 -0800 (PST) X-Google-Smtp-Source: APXvYqwqY5Za+qp5EnSt5Dly97T3O+fHE9RxdSxyVdeQqvuvSQ2o2X00o/xr7i2+7sTaiSWo6f6RdA== X-Received: by 2002:a05:6214:1090:: with SMTP id o16mr17804645qvr.105.1580146080467; Mon, 27 Jan 2020 09:28:00 -0800 (PST) Received: from turing-police ([2601:5c0:c001:c9e1::359]) by smtp.gmail.com with ESMTPSA id s48sm10766872qtc.96.2020.01.27.09.27.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jan 2020 09:27:58 -0800 (PST) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Lukas Straub Subject: Re: Ordering guarantee inside a single bio? In-Reply-To: <20200126130738.0fdc47d6@luklap> References: <20200126130738.0fdc47d6@luklap> Mime-Version: 1.0 Date: Mon, 27 Jan 2020 12:27:58 -0500 Message-ID: <305354.1580146078@turing-police> Cc: kernelnewbies@kernelnewbies.org X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2075837648890309859==" Errors-To: kernelnewbies-bounces@kernelnewbies.org --===============2075837648890309859== Content-Type: multipart/signed; boundary="==_Exmh_1580146078_3607P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit --==_Exmh_1580146078_3607P Content-Type: text/plain; charset=us-ascii On Sun, 26 Jan 2020 13:07:38 +0100, Lukas Straub said: > I am planing to write a new device-mapper target and I'm wondering if there > is a ordering guarantee for the operation inside a single bio? For example if I > issue a write bio to sector 0 of length 4, is it guaranteed that sector 0 is > written first and sector 3 is written last? I'll bite. What are you doing where the order of writing out a single bio matters? --==_Exmh_1580146078_3607P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQIVAwUBXi8dnQdmEQWDXROgAQIOMg//djGUZt46ezTn+vXR9FbzIITBAio2ula2 /P7YwhgGIMIWRClgc/Jwlzb0aH5nP4M6VGB4J1ymL1uiLG9xtaHT/GQFTcFhMxTh WrCGRv97UTWzoIlR1B+BevsRqdzgmAi3qTtrDbpQ3yTh7EzhaLKC6eCKg1mWFlYv nTyX7rd6Ca9RolS8rF+PaDmnwnkQd+2gKi/QALcsJDWDsQ216NSiMYEV9AlYZzye McbCIDd75aNzl/rsACUH8wa1wAnkZxFaMfGVbSSXFklhoxQwjWIPb9BiV73oaRnb RFY8pgdOcdIw4kvd6seu++Y83RhSwNeBN+wCQKm79kXT37YNM4dDLTgMqWbXk9xD Rf5Emww1ydzl9srGBQwn9nZCXiq849YbzHHjJTNX1cUt0KuCUDuRdlOeNZrV4Bvq jck5Pwm/fRmqGKnIIY7vKGJW0cJdYBsQanNhJYeLwRHBPIXvCk83ccI3901jJCr5 MlMk0YOjCnWMpVoPC5jLcwWvL62nTThXMAIyLbyRIIvnNlcVF+UgM2AZC3zEJu6p YixVQKLOK11ikwwlQG6eNmfk42AMdv3hb0DgXJbT/0dCvHts6r1dfijvGqsJDFdq CpzjuCAYx7AsATyYjtKLwMfEHLKVMBFIB47a2xDhpBig2jSLvh9Ucvoh4qRB7gDw bGZe2kivYx4= =zCtB -----END PGP SIGNATURE----- --==_Exmh_1580146078_3607P-- --===============2075837648890309859== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies --===============2075837648890309859==--