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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 F376EC49EAB for ; Mon, 28 Jun 2021 17:13:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D0B4A619AD for ; Mon, 28 Jun 2021 17:13:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233069AbhF1RPj (ORCPT ); Mon, 28 Jun 2021 13:15:39 -0400 Received: from mout.kundenserver.de ([212.227.126.130]:57105 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232084AbhF1RPh (ORCPT ); Mon, 28 Jun 2021 13:15:37 -0400 Received: from [192.168.1.155] ([77.9.21.236]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MmU9R-1lXxnP12NF-00iRY3; Mon, 28 Jun 2021 19:12:42 +0200 Subject: Re: [Patch v2 2/3] Drivers: hv: add Azure Blob driver To: longli@linuxonhyperv.com, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org Cc: Long Li , Jonathan Corbet , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Greg Kroah-Hartman , Bjorn Andersson , Hans de Goede , Dan Williams , Maximilian Luz , Mike Rapoport , Ben Widawsky , Jiri Slaby , Andra Paraschiv , Siddharth Gupta , Hannes Reinecke , linux-doc@vger.kernel.org References: <1624689020-9589-1-git-send-email-longli@linuxonhyperv.com> <1624689020-9589-3-git-send-email-longli@linuxonhyperv.com> From: "Enrico Weigelt, metux IT consult" Message-ID: Date: Mon, 28 Jun 2021 19:12:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <1624689020-9589-3-git-send-email-longli@linuxonhyperv.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:0+AMa/kSErV2OmQGfSr1RuyogIWsgnB+fX7o/AnCiCMg2R7VASN +sHgE0HSoXr6mZVWeJ4/O9y8FVVZAi2kF3pxSVPt32g1nXQk37qSq7GEFTArjPcIrvfrCKt OSe8qhT8dZThIk/87Tm4UO9CbEBRIVD9keS4WGcRQFjnjHyf48jyyLxW3uIX1dED4h09+kM YGeE09eON/GhDzYDG0YPw== X-UI-Out-Filterresults: notjunk:1;V03:K0:0I24CmwgILU=:wiWSa+j+RfnuHDhya9LBWI zNHcjXhBMCFDhRf8puFmO44aR3QOAA1evtkv3APGwUP1KzK6GCbn1mppvTtfZqHWc7z0f3ggw F3P4hrYJ7s4RRlVd3McqLg72wBQHOp5fJQDGlkHhzK7Q3/BMsq1/eJ1YASJCJHM21DiqWqjTv OgeKCaT3MlT/4xPjaQwXxHVQA/y6mKEnC6SKAqU8Pr54ixuujl5IXWu9YNpkjPf4R1JRY5sD7 uNvTHgENYQ+PDk9bcDBDop8fjAtQzduDHF77ftTsDrsDsqEX9tZ/niI2naRoYDJpZ2wktxPLy zZ7ewbDHdZnxqj9oPTV55LeAyLquIJg8shRkmALQiHLYJZYZJ25kYef4DLg4PYE7DysOdDeoc X6LA3U7lIQAp/OauH9zB6Yif6QVAdZp3Qn39ISjIiepPwUFUp7PLIHnZbEB8RooFsamQ5perY E/fdF/IBxt8YyUXfEkUqloqIORsSpEAsN47FPgXgFhNIIZ2R2qQrOuDGmwRyF0/unbKOsAIVF p+V1Gbv8F02Bhei7+sKmxkB0fBQ3fY3AWQKrmEEskLjwFxS4FSgc2JBhxbNsNbySlVYAnrDmq gGW2s3SAd125H/NxPmmGq0mwxH2no1/A/4KcwhbDI/5kThfM/P7GhmsLNoMjzLlZozN1ScK4c BBRFete9lMav22pdO75SdW9Eqg5NVDpT9tzhs+3E1YuGFTSg/XFzBNCxlifPL9CMjBuVh4xy6 ILuk+HZNhJTCo1+EW1ohddOqrci7wS79oqTCNsdpR0Sx8nUKzSz9gDI64liR8B3B2WHHW8sSK bTI1ozOoQB+q4H1wzUoay04ucvG13hbfW/bYFCFhQa5D41EimycoSDT5OfCF8oZysFxmrav Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26.06.21 08:30, longli@linuxonhyperv.com wrote: Hi, > From: Long Li > > Azure Blob storage provides scalable and durable data storage for Azure. > (https://azure.microsoft.com/en-us/services/storage/blobs/) It's a bit hard to quickly find out the exact semantics of that (w/o fully reading the library code ...). :( > This driver adds support for accelerated access to Azure Blob storage. As an > alternative to REST APIs, it provides a fast data path that uses host native > network stack and secure direct data link for storage server access. I don't think that yet another misc device with some very specific API is a good thing. We should have a more generic userland interface. Maybe a file system ? OTOH, I've been considering adding other kind of blob stores (eg. venti and similar things) and inventing an own subsys for that, so we'd have some more universal interface. Unfortunately always been busy with other things. Maybe we should go that route instead of introducing yet another device specific uapi. --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287