Received: by 2002:a05:6a10:6006:0:0:0:0 with SMTP id w6csp18426pxa; Wed, 26 Aug 2020 03:39:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyOFejP6w4CTBj/jz2rKDaeR3HS6wQ/kuxu/9Bk/77G/Z3JgErGY+y3BHwaAIR0LBlNyKn7 X-Received: by 2002:a05:6402:1386:: with SMTP id b6mr14232983edv.296.1598438351099; Wed, 26 Aug 2020 03:39:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1598438351; cv=none; d=google.com; s=arc-20160816; b=DUtEzISl5xA7rnniQXe2I6hSEtmMYgZ/7qvXgqHSkBmwGpymOZMjaf7w82wIn9oqs9 e/ZbaUW294DpwpCbVeMCkacoCnxWHn8dhLKNhcrp2X6DgmMXD9vgwTme4/82VNlNfDAb 1zsqPo49qOeLJ041I0kE3yu5b21gz8phTXlLCs6eHC/3W2evATfACBEfVaWZgvrV4QrG rJrOxxaCctp3y3ctrpH0gA5/jqvSq2RTWNzOylBZMd1/VMR2bVSoOBsgEzVaoGmJBR2C mHoLBQB8PzNCvJyJ86KSfrRPFlcX9arL0M6HDPVHepLtLpgozduAY8y9o9rJPA5gL7jI 8NIQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:mime-version:user-agent:date:message-id:subject :from:cc:to; bh=nw6PH066lEnLVD1Wk7T33OCHR0EpgeWoFmOB1J2nbUc=; b=oaXVPf/gDPwuat40FA3P1iiXwUmVZOT+KlK3wIYoXs4+4ZgXVmmBS6xK6xGbmbs5ee C5wMWNDQAyosa5zOrLZn+Ve3x14pdMEFO6cKHg9pR156RUGYVvbeKPN1K9mxcoNevYAw obRZrg7BY89+w3ZjpHGnqEtbKMuRep/b6R6BaEtcl23iUp5HNy4g5dAWAu7E6o9HtVA2 ls/YuD2hZmFpx+DSKDiI22+x/gCEZIc++a3Y4DrN+YsPylv7xvruAroZrHWTflEwyJvz +qortJnfCblaOroIgqldq94C0CxL32Y5vLcKvWKkYcLq+Mx13yRqBjcExDh5h/8msU/y nlyg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y6si1045554edp.363.2020.08.26.03.38.46; Wed, 26 Aug 2020 03:39:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728562AbgHZKfd (ORCPT + 99 others); Wed, 26 Aug 2020 06:35:33 -0400 Received: from mx3.molgen.mpg.de ([141.14.17.11]:59567 "EHLO mx1.molgen.mpg.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728097AbgHZKfb (ORCPT ); Wed, 26 Aug 2020 06:35:31 -0400 Received: from [141.14.220.45] (g45.guest.molgen.mpg.de [141.14.220.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id 3CE89206462B6; Wed, 26 Aug 2020 12:35:28 +0200 (CEST) To: Deepa Dinamani Cc: linux-fsdevel@vger.kernel.org, Jeff Layton , Alexander Viro , LKML , it+linux-fsdevel@molgen.mpg.de From: Paul Menzel Subject: Warnings about filesystem timestamp support until 2038 Message-ID: Date: Wed, 26 Aug 2020 12:35:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Deepa, Commit v5.3-rc6-4-gf8b92ba67c5d3 (mount: Add mount warning for impending timestamp expiry) [1] results in a lot of warnings on our systems. xfs filesystem being mounted at /amd/salvadorthegunzerker/0 supports timestamps until 2038 (0x7fffffff) Unfortunately, I am missing the motivation for adding the warning in the commit message. Why is it warned about and what should users do about it? In our case, what should XFS and ext4 filesystem users do? Kind regards, Paul [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f8b92ba67c5d3a9e9468320078a97d950a3e748b