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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E3D8C433EF for ; Tue, 10 May 2022 14:56:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345257AbiEJPAm (ORCPT ); Tue, 10 May 2022 11:00:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345175AbiEJPAe (ORCPT ); Tue, 10 May 2022 11:00:34 -0400 Received: from mail-oo1-xc35.google.com (mail-oo1-xc35.google.com [IPv6:2607:f8b0:4864:20::c35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9B1F120F51 for ; Tue, 10 May 2022 07:22:06 -0700 (PDT) Received: by mail-oo1-xc35.google.com with SMTP id a23-20020a4ad5d7000000b0035ee70da7a9so3141679oot.1 for ; Tue, 10 May 2022 07:22:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=UYTEN9JBCbSYZtYrxEfKSYcmjKROaJRwEA+42gL1fX0=; b=HlqckSy7O2WA9Nbjzc8ISiEjP/qp6WObJIYl1g8P467kHBSrHlD9R7y5nafUttXi/4 y1PDSx59/7dYzMSX9OY9xbYT4dWYynH0Uoqsp7hSditGeYQdVfTWaGnlav4dFQ0+vGfE 1PekGYB+THwtm3Rlp9rTjQs6ANaLBAfDo+yp/Zu4JCI1BvaBUWzUViVAjWnGrZ1lTNzP j0IhRlVTcqSa3jO557Gnj3c7W/mpANUMjL6Dw5W488rYTEuJsUIDZiI18Tww6lNn3pGr 6Q9jpyYsARZjhgaaUGhodeSVJcQ+tBdOO90qbqpp7w9WsKl5SSL7Q89JKOefw/16VG0O sdjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=UYTEN9JBCbSYZtYrxEfKSYcmjKROaJRwEA+42gL1fX0=; b=X+nBnesmQmORwQXiE49dJuGAwaGDDs/c3Nh07mHoXU3Imnx8v/HRWGuKDvR65TN3YY qx/zL5ii5uprTeY+IwyleB2CyLJFkcxJlk/DxbNbBoeGQKFlbKxreLcg5Y//J5V0bFLq cl7pjqAyGqPU9GBT4BzRCZiDM5H92fbQRVCU1iawBunTSwrZXIyszRcihyf26Np/vph8 vTEpGwkehA4y+GrIREWjN8gcg8XQXBP9SU3YCZABBMREXvNm528bAzjMhCnGaQLq2fhp mBXFo/83sQ731kk78wD9qgkr6zF2BtEc2wK7gP8MK0/p2SIIORG516iZpW7vO8X86N4O I+JQ== X-Gm-Message-State: AOAM532dhQirV6ETBvmWhepjtngfnk49f+PRZahjyVwQqkmWnSkbvVdn IHl4VeMqLB+YQlj2hTankqagVtM/fkHgFdaVfCM= X-Google-Smtp-Source: ABdhPJx+sB9EBiYJ3sTd3m1OfaATJn0Js6Kmgz8hanKpfau1B3v+UfLUb1XkaORm2q4oDz67a8VzaKhIYR/0q3j1hLY= X-Received: by 2002:a4a:2cd3:0:b0:35e:99e3:a497 with SMTP id o202-20020a4a2cd3000000b0035e99e3a497mr8182960ooo.86.1652192526127; Tue, 10 May 2022 07:22:06 -0700 (PDT) MIME-Version: 1.0 References: <20220505060616.803816-1-joshi.k@samsung.com> <20220510072011.GA11929@lst.de> <2a09399d-480e-8b03-8303-57287f7b5c64@kernel.dk> In-Reply-To: <2a09399d-480e-8b03-8303-57287f7b5c64@kernel.dk> From: Kanchan Joshi Date: Tue, 10 May 2022 19:51:40 +0530 Message-ID: Subject: Re: [PATCH v4 0/5] io_uring passthrough for nvme To: Jens Axboe Cc: Christoph Hellwig , Kanchan Joshi , io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, Pavel Begunkov , Ming Lei , Luis Chamberlain , Stefan Roesch , Anuj Gupta , gost.dev@samsung.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Tue, May 10, 2022 at 5:59 PM Jens Axboe wrote: > > On 5/10/22 1:20 AM, Christoph Hellwig wrote: > > On Thu, May 05, 2022 at 12:20:37PM -0600, Jens Axboe wrote: > >> On 5/5/22 12:06 AM, Kanchan Joshi wrote: > >>> This iteration is against io_uring-big-sqe brach (linux-block). > >>> On top of a739b2354 ("io_uring: enable CQE32"). > >>> > >>> fio testing branch: > >>> https://github.com/joshkan/fio/tree/big-cqe-pt.v4 > >> > >> I folded in the suggested changes, the branch is here: > >> > >> https://git.kernel.dk/cgit/linux-block/log/?h=for-5.19/io_uring-passthrough > >> > >> I'll try and run the fio test branch, but please take a look and see what > >> you think. > > > > I think what is in the branch now looks pretty good. Can either of you > > two send it out to the lists for a final review pass? > > Kanchan, do you want to do this? Sure, will do that. Looking more into cases when cmd needs deferral. We need a few changes there. I will put those in the other email (for better context). Please take a look. If you are fine with that, will fold those in the newer version.