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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 913EFC43381 for ; Tue, 19 Feb 2019 04:04:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55BAE217D7 for ; Tue, 19 Feb 2019 04:04:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="h3Fa/xw6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725770AbfBSEEv (ORCPT ); Mon, 18 Feb 2019 23:04:51 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:36322 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbfBSEEv (ORCPT ); Mon, 18 Feb 2019 23:04:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=yStBRN7uCRG6HFsxTqm08lH/ntiOfVcyQb3tXzbow14=; b=h3Fa/xw6RRAakQWjSDAtXpJ13 GSZMbORvEJsWCmWhwS4tmGmeC8RqgljxHFKdQSdfAbsONErgYRxAo2zZNOP+LVP+heA4Ufq4WGlvy wGVjuNOO1Wvj4Wizh1nN3YSDZnQzzfbNxeQd8U5onVptm5vXTBxAvjdMsiu0nMXnzj5Ebt7c578BI GUerkZwnhJ/XumzTLq6dBp/ChubBlq+rdqhK+An1vDPqLfxSzQ8wd2h9c8TEraLAR76lcNvv/DMnn Bpslca+GysOi1lVhL+9Ve5iYxGqOLf2B2roCzw57dbFXBYo85NcnHXj+vhJbNk/k8iUFo3F8A2CU4 1KIZ9FLMw==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvweF-000343-Ld; Tue, 19 Feb 2019 04:04:47 +0000 Date: Mon, 18 Feb 2019 20:04:47 -0800 From: Matthew Wilcox To: Andy Lutomirski Cc: Adam Borowski , Boaz Harrosh , Dave Chinner , Omar Sandoval , Linux FS Devel , Al Viro , kernel-team , Linux API , Linux btrfs Developers List , Ext4 Developers List , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org Subject: Re: [RFC PATCH 0/6] Allow setting file birth time with utimensat() Message-ID: <20190219040447.GX12668@bombadil.infradead.org> References: <20190214220626.GV14116@dastard> <6a9dc05a-0445-d0ab-0140-1de4fee7ba9b@gmail.com> <20190217175450.psaesabv3vlzvjv4@angband.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Sun, Feb 17, 2019 at 12:40:09PM -0800, Andy Lutomirski wrote: > So I'm highly in favor of this patch. If XFS wants to disallow > writing the birth time, fine, but I think that behavior should be > overridable. Please, no. We need to have consistent behaviour between at least Linux local filesystems. Not "Chris thinks this is a good idea, while Dave and Ted think its a bad idea, so btrfs supports it and XFS and ext4 disallow it".