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=-0.6 required=3.0 tests=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 E3395C33CB1 for ; Fri, 17 Jan 2020 09:57:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4FCC2083E for ; Fri, 17 Jan 2020 09:57:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lEKhV452" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726954AbgAQJ5g (ORCPT ); Fri, 17 Jan 2020 04:57:36 -0500 Received: from mail-il1-f196.google.com ([209.85.166.196]:44934 "EHLO mail-il1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726053AbgAQJ5g (ORCPT ); Fri, 17 Jan 2020 04:57:36 -0500 Received: by mail-il1-f196.google.com with SMTP id z12so20794122iln.11; Fri, 17 Jan 2020 01:57:35 -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=D2iv/H6UUaNNB2wpyKUhzLnF/ZjtEziCyO0ynW904oU=; b=lEKhV452mvESziCXpI+s4sMxPGiIoDNhNNtdO1u5G1u6Icw8sIy3JYP9kJPMF8+jiB 2We/A/aGTdin03iiVhMN7lDtBO+NJ66fmGPFykAKxZVW8Q1+hvCr6cDYOgvFlnhPUs/Z iTb22gF9mqbLaS4r80j0brQL6frUI3onep4R5St9MDwHrpzmJv9MDisyS46ql7Yi+mSt NzhtirvbOj0her2XJeuglRWTIwSmFFXME+3qFOHTXkTpnIctje4BMv2fMnMN7ytwffjJ qQ4uhKJO7ub6f5ip0ui1vulLZtZvYMXFn+oY7t4+5ROwDYswfD5Q/EmY3dxcPH4oeqzi M+Ig== 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=D2iv/H6UUaNNB2wpyKUhzLnF/ZjtEziCyO0ynW904oU=; b=eRJB5CsxPHvxnDJBplevyE6+JQEkFzR8k+hmJotbs7DbVhUREvrVSr/VBUD4JQhQkv V3r2cxQC1ZWo9foMEM/CiWJgbIzzAI6x9JwMxU+vaEV9ZkXa+fO5Ka2rNtd9u60Koq5L DdXmLwWGGyuYcXSGh9wBXezZnon3Vo8GKeioD4GMLI8LUBZ4RLRZzajzPP+sNvr39paH Ev7gc5pZdk62rAa0gV++Bn6CfW/k6J/LsC+NwAtSF007jO5i71bIcgn76BuFg7R6ImLF I7xaUpL9U4XU0OF8/3GvcK9UFGx9u7vGWdi4rwmj2/LIwtfecwQXjzF5THS48FUt7Dx5 82Aw== X-Gm-Message-State: APjAAAXjkZlLafjE1zfsDU0hbht1oKb0RLs70prxeSpyEJowPPIX3/0F 5F72ecVQ9RQtPLaP4eauq5ycSg3FOqb+Vrypio2xUA== X-Google-Smtp-Source: APXvYqwXlxCPM800tjJKMn9q0fTbt1G6E+pDLkKp14cOzG84ftedeRJt5gDSF1/VZifpKyNkSjSA0GITpbV3zIY02Ws= X-Received: by 2002:a92:d5c3:: with SMTP id d3mr2295902ilq.250.1579255055251; Fri, 17 Jan 2020 01:57:35 -0800 (PST) MIME-Version: 1.0 References: <20200114170250.GA8904@ZenIV.linux.org.uk> <3326.1579019665@warthog.procyon.org.uk> <9351.1579025170@warthog.procyon.org.uk> <2397bb4a-2ca2-4b44-8c79-64efba9aa04d@www.fastmail.com> In-Reply-To: <2397bb4a-2ca2-4b44-8c79-64efba9aa04d@www.fastmail.com> From: Amir Goldstein Date: Fri, 17 Jan 2020 11:57:24 +0200 Message-ID: Subject: Re: Making linkat() able to overwrite the target To: Colin Walters , David Howells Cc: Al Viro , linux-fsdevel , Christoph Hellwig , "Theodore Ts'o" , Andreas Dilger , "Darrick J. Wong" , Chris Mason , Josef Bacik , David Sterba , linux-ext4 , xfs , Linux Btrfs , linux-kernel Content-Type: text/plain; charset="UTF-8" Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Fri, Jan 17, 2020 at 5:52 AM Colin Walters wrote: > > On Tue, Jan 14, 2020, at 1:06 PM, David Howells wrote: > > > Yes, I suggested AT_LINK_REPLACE as said magical flag. > > This came up before right? > > https://lore.kernel.org/linux-fsdevel/cover.1524549513.git.osandov@fb.com/ David, This sounds like a good topic to be discussed at LSF/MM (hint hint) Thanks, Amir.