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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F1FFC30653 for ; Wed, 3 Jul 2024 05:27:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 92B456B00A0; Wed, 3 Jul 2024 01:27:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8DB376B00A3; Wed, 3 Jul 2024 01:27:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7A41A6B00A6; Wed, 3 Jul 2024 01:27:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 5BF506B00A0 for ; Wed, 3 Jul 2024 01:27:21 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id D52498077B for ; Wed, 3 Jul 2024 05:27:20 +0000 (UTC) X-FDA: 82297308240.12.3B2CA0D Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf01.hostedemail.com (Postfix) with ESMTP id 3C7A34000E for ; Wed, 3 Jul 2024 05:27:19 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=zjLqNvHb; spf=none (imf01.hostedemail.com: domain of BATV+c39344d16be2becec643+7619+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+c39344d16be2becec643+7619+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1719984427; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=esNNsuJGjIuM6Ww/dTRdzcA7GhPLycKN8GnrTM6U61w=; b=Ux2u5v5miRDLUCYqETmtFGfLDJHMFIPJYBl9Q46hmqOZM67AKyJ6XRJBH0lFdbQfMYQzAQ v2UlR4mmZAATbwxOHHYzq3RNHqdjAuet1L9iEfKZsgy4icWvMp1rmqizqR08Axb64C5Wgm 2KlBpg/HLbVbQEZfVhvsUzOQK171TUg= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=zjLqNvHb; spf=none (imf01.hostedemail.com: domain of BATV+c39344d16be2becec643+7619+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+c39344d16be2becec643+7619+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1719984427; a=rsa-sha256; cv=none; b=TEWi9eTLg6joe11hE/+K8L+LTc5QGcig2ZkKStBGfBMGSeLH6uzTFDxWj/A+lXd+kjlTaC E63yl7TcSNXSQQqZPBsbH9yS3rNJQ2GIo0o/lsYHpIrgyVKeaw84POqUiexVDU5muef/rf u5c+WuwuQrqsE12TQ1SGZfubmAN+iXs= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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; bh=esNNsuJGjIuM6Ww/dTRdzcA7GhPLycKN8GnrTM6U61w=; b=zjLqNvHb33FcejJlisXXryXdLR P2ufv7DorFVmR0mc6IHxAwnrVNY6psPL5Zyj5YQ5jnlpzKWxYo/Ycw4dvtV2E0X2Lcdw41irhZttF Al6PKmK91DYcBqEfO+zgSf1+/lwW/O8cgnpkGF31tbc8nUjHX8PHGqiKJTxm5Wnxllc8yS04FmfLi pA86woHVKDXUXDSvJaalFwuDIMNcEnJwPzMpTXn1KUJcaiZCXD6xbk1WAr/Hmxk5lDzG0yt2Fyk+W 5P7rvn9FY8cXdXcv+QZnWBbTuPed94nu0sFBeBuFk3XWk+OxurZBBnUL8hIxXGjQfTOaej+CdUuUL HXFxzssw==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOsWN-000000092z8-3yX1; Wed, 03 Jul 2024 05:27:11 +0000 Date: Tue, 2 Jul 2024 22:27:11 -0700 From: Christoph Hellwig To: Jeff Layton Cc: Christoph Hellwig , Jan Kara , "Darrick J. Wong" , Alexander Viro , Christian Brauner , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Chandan Babu R , Theodore Ts'o , Andreas Dilger , Chris Mason , Josef Bacik , David Sterba , Hugh Dickins , Andrew Morton , kernel-team@fb.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org Subject: Re: [PATCH 01/10] fs: turn inode ctime fields into a single ktime_t Message-ID: References: <20240702101902.qcx73xgae2sqoso7@quack3> <958080f6de517cf9d0a1994e3ca500f23599ca33.camel@kernel.org> <09ad82419eb78a2f81dda5dca9caae10663a2a19.camel@kernel.org> <4ec1fbdc6568e16da40f41789081805e764fd83e.camel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 3C7A34000E X-Stat-Signature: x86yayge6fu6cfcczo9jzqicazipb174 X-HE-Tag: 1719984439-664057 X-HE-Meta: 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 pYKzoJIf 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jul 02, 2024 at 10:26:55PM -0700, Christoph Hellwig wrote: > So while shrinking the inodes sounds nice, the tradeoff to have to > check all timestamps from disk / the server for validity doesn't > sound as positive. So I'm glade we're avoiding this at least for. ... now.