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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AC7FC433F5 for ; Wed, 2 Mar 2022 19:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242034AbiCBToH (ORCPT ); Wed, 2 Mar 2022 14:44:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231971AbiCBToF (ORCPT ); Wed, 2 Mar 2022 14:44:05 -0500 Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 805B7C9A08 for ; Wed, 2 Mar 2022 11:43:21 -0800 (PST) Received: by mail-lf1-x129.google.com with SMTP id j7so4602950lfu.6 for ; Wed, 02 Mar 2022 11:43:21 -0800 (PST) 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=D+G1a09M8P4CbXu26QE7iCVML2k0uFj+bbvrsTaH93U=; b=YT7SnwtqKBiq9TKpietz8YIDhmCrKcmPJiEWKh4KKa99uTizqkdkS+y5iIvjMR4I0I 0wBG0Nd16GJlOx6rYfz1vp/dBlAEZwc1fTAM+cBPALeRpkbfZBmGJGeT0C2Zr9pyIPP0 AW8InIHxZhNGVMf0XNGsdqr7I4uUholU0zOcI= 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=D+G1a09M8P4CbXu26QE7iCVML2k0uFj+bbvrsTaH93U=; b=VM0343xysQrDsrQKLz0+t2IXu5q/nd900lqZcFdAOLIJp6A1p2kNIREFXvMC49f9Eb X3ZRxS2SyfdYgd0hO+L5zD8gMNI70uBubrT/tSUOIKmMyV0KK9jAkjvtMzxjFNacvLBX W6iwHe+6jkkNBA7prDjsizU4jMw/935nKXxJQ9V6FQ0A6aNyhaBKnI+R94De6hP8vrS4 cdVRnG9JXhOEU9AYXHWNgrC0gghjP55pKmVH7MM0ybXwb2k/SUiUVVnpnVFVqLHVEqmh dkEcmjn1llfMCpNPoAk4U40YUGIV7gxnTNnpX0HRS1ZmXtwRd/HpEUDRC3+x83+Ik6Mw yuNw== X-Gm-Message-State: AOAM531y5c/4x6j4g8Go0r20tvR9h7MrRHoa6SAEwP5fsBCyT2SJ9QUZ 5fjtcjvZMDMtXJIhWWsoTWdabOp6FP7A0fAOHPQ= X-Google-Smtp-Source: ABdhPJxbE9MEwykNqSRVxTjC6DNxGE+d41xQjRn6RnPl5O619dfXf1dOCBvoSI8NUZgIeOv/rFM1Ew== X-Received: by 2002:a05:6512:1053:b0:443:967f:bc45 with SMTP id c19-20020a056512105300b00443967fbc45mr20368616lfb.128.1646250199324; Wed, 02 Mar 2022 11:43:19 -0800 (PST) Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com. [209.85.167.48]) by smtp.gmail.com with ESMTPSA id f15-20020a2e6a0f000000b00244c8743c19sm2786246ljc.35.2022.03.02.11.43.18 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Mar 2022 11:43:18 -0800 (PST) Received: by mail-lf1-f48.google.com with SMTP id b11so4571573lfb.12 for ; Wed, 02 Mar 2022 11:43:18 -0800 (PST) X-Received: by 2002:ac2:4c8c:0:b0:445:6c26:3cff with SMTP id d12-20020ac24c8c000000b004456c263cffmr19624815lfl.435.1646250198484; Wed, 02 Mar 2022 11:43:18 -0800 (PST) MIME-Version: 1.0 References: <20220211213628.GA1919658@xavier-xps> <20220211213628.GA1919658@xavier-xps> In-Reply-To: <20220211213628.GA1919658@xavier-xps> From: Linus Torvalds Date: Wed, 2 Mar 2022 11:43:02 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v3] tmpfs: support for file creation time To: Xavier Roche Cc: Linux Kernel Mailing List , Hugh Dickins , Andrew Morton , Jean Delvare , Linux-MM Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 28, 2022 at 12:43 AM Xavier Roche wrote: > > Various filesystems (including ext4) now support file creation time. > This patch adds such support for tmpfs-based filesystems. What's the odd huge-page noise in this patch? Other oddities: Reply-To: b954973a-b8d1-cab8-63bd-6ea8063de3@google.com WHAT? And finally - if we really want to treat btime as a first-class entity and expect things like tmpfs to support it, then we should just bite the bullet and put it in 'struct inode' along with the other times. Linus