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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 98BA2C433EF for ; Fri, 10 Sep 2021 16:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81F586108B for ; Fri, 10 Sep 2021 16:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231331AbhIJRAT (ORCPT ); Fri, 10 Sep 2021 13:00:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231280AbhIJRAP (ORCPT ); Fri, 10 Sep 2021 13:00:15 -0400 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C064C061757 for ; Fri, 10 Sep 2021 09:59:04 -0700 (PDT) Received: by mail-lf1-x12d.google.com with SMTP id c8so5375589lfi.3 for ; Fri, 10 Sep 2021 09:59:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=D8yFX4Q94YmYHxzL7n/3cToI7Z/3C43UpIFGo8WulAM=; b=FPixukG8c7JoNdjCS7rYkg5B9TVUHdRr6eniODRUP1lox3uZIaCEGMC3TLHcA0gyh4 fly16EJvYc0rvyUzvddLJvWAOMdKr6vEJ3HlRM8BvQPHemiMBMYNmo3CsdKCNnl+i9y8 c7kPiF3DaorkH9BGk8Oz3dj11zsUmilRI5aC0= 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=D8yFX4Q94YmYHxzL7n/3cToI7Z/3C43UpIFGo8WulAM=; b=pVhvSAnmWHe66Uwd7/lTOF3rJY/riylzvynGYtqZO2aEiq6MCKCMeL1ikN3MOPK6aX Ks9gIf1xDnWj4/M2yOr2Gl+u/6bCIiV/jQK4881W9EH6I7KXO+89+Qwf1HH6rSKh2GVc T6CqkHKucqzNARoSCIv/RJZVARtpHGHJOjqEnfKkWEmpCZrZwh1B34gszTGJmwC6O6sy E5ap/3XMc23UWz2kmP6qd82DfjbfxyyYUlfxMgPPYtABo/va3fRJCNwCZNXZbrbIJZV5 vAIVz2CmuFcG59teFDvJoPEx678NQuzxhR8vkaQmNOckKQjUxtZeFr5JGHNlEd6EuD63 pThw== X-Gm-Message-State: AOAM5326+kH00qha5pCwno2yiImhc08bwoNBeZiAHE5xYl5XdAgW/Oqx KIEkn+PLlxppcpng1i4Oz0IzZcuRLLoBDvqU1nE= X-Google-Smtp-Source: ABdhPJw50aL3zFyQpvgcmcFBcrKWjaIxqPQEA8srZYi/SPDWdVLUkJ1OdSCcn4uYPCvGCOPmfqR+0Q== X-Received: by 2002:a19:4846:: with SMTP id v67mr4669783lfa.478.1631293142127; Fri, 10 Sep 2021 09:59:02 -0700 (PDT) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com. [209.85.167.44]) by smtp.gmail.com with ESMTPSA id i12sm639252ljm.116.2021.09.10.09.59.00 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Sep 2021 09:59:01 -0700 (PDT) Received: by mail-lf1-f44.google.com with SMTP id k4so5349536lfj.7 for ; Fri, 10 Sep 2021 09:59:00 -0700 (PDT) X-Received: by 2002:a05:6512:3da5:: with SMTP id k37mr4680811lfv.655.1631293140722; Fri, 10 Sep 2021 09:59:00 -0700 (PDT) MIME-Version: 1.0 References: <9ae5f07f-f4c5-69eb-bcb1-8bcbc15cbd09@kernel.dk> <9855f69b-e67e-f7d9-88b8-8941666ab02f@kernel.dk> <4b26d8cd-c3fa-8536-a295-850ecf052ecd@kernel.dk> <1a61c333-680d-71a0-3849-5bfef555a49f@kernel.dk> In-Reply-To: From: Linus Torvalds Date: Fri, 10 Sep 2021 09:58:44 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [git pull] iov_iter fixes To: Al Viro Cc: Jens Axboe , Pavel Begunkov , Linux Kernel Mailing List , linux-fsdevel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, Sep 10, 2021 at 9:56 AM Al Viro wrote: > > What's the point of all those contortions, anyway? You only need it for > iovec case; don't mix doing that and turning it into flavour-independent > primitive. Good point, making it specific to iovec only gets rid of a lot of special cases and worries. This is fairly specialized, no need to always cater to every possible case. Linus