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=-4.2 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,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 9B751C43331 for ; Thu, 4 Mar 2021 18:25:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7851064E20 for ; Thu, 4 Mar 2021 18:25:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234454AbhCDSZQ (ORCPT ); Thu, 4 Mar 2021 13:25:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234201AbhCDSYr (ORCPT ); Thu, 4 Mar 2021 13:24:47 -0500 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE906C061574; Thu, 4 Mar 2021 10:24:06 -0800 (PST) Received: by mail-wr1-x42a.google.com with SMTP id j2so15879787wrx.9; Thu, 04 Mar 2021 10:24:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=zOtCkSuP3/sSeDKbXtcuyFbcQjnAEtPQvMYWbEo0RWc=; b=YfKywlVxA2OwkHFlyyqrfje5azAqfgnYnUxA9d2jP0QvhjMAlxLR3r6C/Elzp9q92h qyNvO+EX+nMI++2Pa08tB3EF/iDL28VoGHPvvuo83KL7wz5rIqdO4IYtJ/E2EM8HjKns RTj1wCLR3uGl9uaqG3daUJn2+peqIV5Gsj4O4DYbgjLbrNCM7vrdoRaYmAhEOi1gJ0Ul OIkZ50/qDGctum/YlbqL4IeRhcdDcXO+Ll0CO1+kK09Rh7em/N+JV2ZBNcbz0Sa4hHfQ Pasn8ntj+5g6E+Ahcl84DTVVDaAxmkqSZX5p/SxvajryIPc639gS0VB5UWev/7NlpPao Zx3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zOtCkSuP3/sSeDKbXtcuyFbcQjnAEtPQvMYWbEo0RWc=; b=BueaABldXxSdpMgmg4C8ssYiArOin/qNCbEIwAdduBGxI92PaNKOJVV2PxNAjzabwT NEWfpmBG9EVdWb2wB1x64TN6StxVGfBcbuwjYL2LgIdID/LPvgSEEw0CBzPCtYmmBV6+ kEFCS/l4DOWwLQ8ImuM6hnGQyVkJes0HThE7aJLVrApa54H7EReBtMF/2TSrOhC1Pz6T DTydRewHDlKW0dphHl37kxyCyLmjEf4cLCBTLY4vqh71p/4QNWhjWIWaBImIwdBvUk4N rih3M3It45uaIi56niyCOtKBDI7ak1x7tyVj0kFigjhxFugDa4doOFI8o1SCf1lj67S5 6zQw== X-Gm-Message-State: AOAM531llen+U9r2ZvBcXaMeOz/X+a9vXYauK3tGvRIRVMzmbr5MOCPt FBGvUYZeLMyVgOs4bt4NW3Y= X-Google-Smtp-Source: ABdhPJw9IGXfIEwP2LVQ0WhlSyUoO96IZPZPEYenv21JjYYT4AGCNBo1c0TUm4fQXkse7RWu/AHxvQ== X-Received: by 2002:adf:a1ce:: with SMTP id v14mr5534243wrv.228.1614882244603; Thu, 04 Mar 2021 10:24:04 -0800 (PST) Received: from [192.168.1.143] ([170.253.51.130]) by smtp.gmail.com with ESMTPSA id w18sm143376wrr.7.2021.03.04.10.24.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 04 Mar 2021 10:24:04 -0800 (PST) Subject: Re: [RFC v4] copy_file_range.2: Update cross-filesystem support for 5.12 To: "Darrick J. Wong" Cc: linux-man@vger.kernel.org, Amir Goldstein , Michael Kerrisk , Luis Henriques , Steve French , Greg KH , Anna Schumaker , Jeff Layton , Miklos Szeredi , Trond Myklebust , Alexander Viro , "Darrick J. Wong" , Dave Chinner , Nicolas Boichat , Ian Lance Taylor , Luis Lozano , Andreas Dilger , Olga Kornievskaia , Christoph Hellwig , ceph-devel , linux-kernel , CIFS , samba-technical , linux-fsdevel , Linux NFS Mailing List , Walter Harms References: <20210224142307.7284-1-lhenriques@suse.de> <20210304093806.10589-1-alx.manpages@gmail.com> <20210304171350.GC7267@magnolia> From: "Alejandro Colomar (man-pages)" Message-ID: <37df00f9-a88e-3f16-d0b4-3297248aee66@gmail.com> Date: Thu, 4 Mar 2021 19:24:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210304171350.GC7267@magnolia> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Hi Darrick, On 3/4/21 6:13 PM, Darrick J. Wong wrote: > On Thu, Mar 04, 2021 at 10:38:07AM +0100, Alejandro Colomar wrote: >> +However, on some virtual filesystems, >> +the call failed to copy, while still reporting success. > > ...success, or merely a short copy? Okay. > > (The rest looks reasonable (at least by c_f_r standards) to me.) I'm curious, what does "c_f_r standards" mean? :) Cheers, Alex -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/