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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 9146CC282CE for ; Mon, 8 Apr 2019 07:18:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A27620857 for ; Mon, 8 Apr 2019 07:18:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="szyE24uR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726005AbfDHHS5 (ORCPT ); Mon, 8 Apr 2019 03:18:57 -0400 Received: from mail-ed1-f48.google.com ([209.85.208.48]:38062 "EHLO mail-ed1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbfDHHS5 (ORCPT ); Mon, 8 Apr 2019 03:18:57 -0400 Received: by mail-ed1-f48.google.com with SMTP id d13so652814edr.5 for ; Mon, 08 Apr 2019 00:18:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mail-followup-to:mime-version :content-disposition:user-agent; bh=SFHzVmN4asghL1bakbc6QQy5lBFPUIuDALLUWI4whZ0=; b=szyE24uRuglETfzfz9mr4qHYDonRpCDET9H3aPSk8WGtztcJBwBbMcRLOIz4Vd12XG Oi2sNWW6idrff9qOYsRuZpWuHovhMX/QL+J/t+I7YG78+jWo/IPUKRNWudzyg4LvtQxF Kayi2tlLPsKOhRYGPyeUlVeHd4osOE7M2g5NMSR3BlPIlfR8iEAePO0fYamaI32eC0+L raf9W/wVepCV7dcrAG5Fia6nXKvjW5UeuReQOpHnn2Eot9RNKAB5/CqHhRUyzYHIdA10 P0BtTUsRgPVgJXSH3PbFzo5YZ81aBXSxNkgKnKcyxLtisUrCG3V/pIL817qEu7yKq5KD 2rgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id :mail-followup-to:mime-version:content-disposition:user-agent; bh=SFHzVmN4asghL1bakbc6QQy5lBFPUIuDALLUWI4whZ0=; b=PL7SM7LGBoI0eJOIHpX5bPyGYpEP3E95kGdApxPr2/1FDZvlN8gnXiIRAO1PkJiNoz vVYr5+/C5T9aHPYXOrGAu39XjYZRXuT/pU1ojHlDCRkqyVaeopn9OloZuHPTz7MeKObv o9O5rbqwbL/G0hH7EfqI2KfrpjHMLc3L2T4NdCAf9dNZ3smZPF9SdWbnydOaLlbKDu+r GnrSbcO84eAPSPzlidxUohDkydbU9wZMDPS44YPELHa+YqL5N0NJTsiac/yukOxOxHqc iaCIPNtau1GRLc1TeTFe2JYQCSnSOisRJYC9zj69h0xOlfSsb+uNbZwghx4jaRtBsamS mElQ== X-Gm-Message-State: APjAAAVEfXGB7zNrK5Gvydvux8p7DT88UKYT+yfFjdX8fmYx2NX+Wrje Eukd0Atsfl/Q4BPa3fsdgxQ= X-Google-Smtp-Source: APXvYqyuDhAqx9Dd68WidW+OefCqha4a2aj45qvgn3tEE5B4L+UMdot9CSa8tVGzU5xBPsOW1GYVZw== X-Received: by 2002:a17:906:708d:: with SMTP id b13mr16058634ejk.120.1554707935438; Mon, 08 Apr 2019 00:18:55 -0700 (PDT) Received: from squirrel.local (92-108-182-83.cable.dynamic.v4.ziggo.nl. [92.108.182.83]) by smtp.gmail.com with ESMTPSA id d8sm5170311ejm.29.2019.04.08.00.18.54 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 08 Apr 2019 00:18:54 -0700 (PDT) Date: Mon, 8 Apr 2019 09:18:52 +0200 From: Matthijs van Duin To: Omar Sandoval , Al Viro Cc: linux-fsdevel@vger.kernel.org Subject: AT_REPLACE flag for linkat() Message-ID: <20190408071610.GA23532@squirrel.local> Mail-Followup-To: Omar Sandoval , Al Viro , linux-fsdevel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org In the mailing list archives I found the patch series "fs: add AT_REPLACE flag for linkat()" to allow atomically replacing a file with a hardlink to an existing file, which can be combined with O_TMPFILE to atomically replace files with new content without having to use named temporary files (and risk leaving them behind on power loss). I would really love to have this functionality, but it seems activity just stopped around May 2018, with the last I could find being: On Fri, 4 May 2018 11:30:13 -0700, Omar Sandoval wrote: > Ping, Al, can you take a look? What happened to it? Is there still any hope for this patch series? Matthijs van Duin