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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E9A25C433DB for ; Tue, 23 Feb 2021 09:15:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A631364DE7 for ; Tue, 23 Feb 2021 09:15:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232303AbhBWJPY (ORCPT ); Tue, 23 Feb 2021 04:15:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232254AbhBWJPD (ORCPT ); Tue, 23 Feb 2021 04:15:03 -0500 Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61F48C061786; Tue, 23 Feb 2021 01:14:23 -0800 (PST) Received: by mail-ej1-x62c.google.com with SMTP id g5so33476335ejt.2; Tue, 23 Feb 2021 01:14:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=b5MtT/ZdRPwH3IHGkszx0Ejluf/ndHyk503G2Rm9ils=; b=GpmmQZlnXzGD1kHuc6Kv9xigy1sJuXWH3dZqg5Vs99WFBxoTWCU3/K2DIiXLQsBorm ULOdBhuPEWDqrfccYAmsLtGjShSlT2/jstrlSPytLEjFi9HQZyjGdZuEDSinUPb+5vJI HkBA1eC5zA1OJUnBCMMn/pM+N1kKZesZh2Rnca8nG11WiF7WKycWDgBdL7NRxbnc2WZ6 uf/QXhrDcViYI9wwlB+U2qXnfped8ad53tAqxuE4VBCYre+hx181ANfb8L7B7vMI3ABL MHQUAezy7X8WjIH/kMEDknmITMqhlj4Ej93MbWOQLMYU5NLjTWNAL6xX07PzRWaCbakk 6R4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=b5MtT/ZdRPwH3IHGkszx0Ejluf/ndHyk503G2Rm9ils=; b=WMjjO9+CJZR4JQBZ5aVkrhSW0d8HlEzwh1Yjh5vLKxGXodF2aR8+f3aozG0GL6y8+h 3gOFnVUmJNyUPlf7CZ5GPn4VZZAcA5D3HhyeIbnQn4HrBUujmrZ+VITPk65qjA4cBKer KvdWHMX5J3+lTjaEbA43Fjq4qeMACOrduShDUJFuODh6V05zhHeKD5+3cfnC0X+jcN51 8guYSiRr48lN2iaIZAYNw/bUV4AkpDVKFPz17Ed5v6QJIYVVP1KZCYzM71qIOvqHWkj1 fu1MAWFWSH+zUmN6XEcFPqm/pEx2FxYVaTBvEHFp8L9/pj4guqJAHGjfcmilZilia6T2 zh8Q== X-Gm-Message-State: AOAM532J05RamEIesmGYD9joDDGsB0S9aIUFYPZ27zvaI9ztU/XKS2mS +PiWbFHCDUEEjolviDR2Uyh0mvkflLKexXz7MC8= X-Google-Smtp-Source: ABdhPJz4R4ZgmznPz2GNNWvnywZAr4uBgUpJfEA7xJHHLpa6gxqaLqhgwSOdWYHkRTdp4nIUPMj6SIo3LCG1a0yXTfY= X-Received: by 2002:a17:906:2a06:: with SMTP id j6mr23964456eje.164.1614071662110; Tue, 23 Feb 2021 01:14:22 -0800 (PST) MIME-Version: 1.0 References: <20210219124517.79359-1-selvakuma.s1@samsung.com> <20210221235248.GZ4626@dread.disaster.area> In-Reply-To: <20210221235248.GZ4626@dread.disaster.area> From: Selva Jove Date: Tue, 23 Feb 2021 14:44:08 +0530 Message-ID: Subject: Re: [RFC PATCH v5 0/4] add simple copy support To: Dave Chinner Cc: SelvaKumar S , linux-nvme@lists.infradead.org, Keith Busch , axboe@kernel.dk, Damien Le Moal , hch@lst.de, sagi@grimberg.me, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@redhat.com, snitzer@redhat.com, joshiiitr@gmail.com, nj.shetty@samsung.com, joshi.k@samsung.com, javier.gonz@samsung.com, kch@kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dave, copy_file_range() is work under progress. FALLOC_FL_UNSHARE of fallocate() use case sounds interesting. I will try to address both of them in the next series. Adding SCSI_XCOPY() support is not in the scope of this patchset. However blkdev_issue_copy() interface is made generic so that it is possible to extend to cross device XCOPY in future. Thanks, Selva