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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 16296CE79D0 for ; Wed, 20 Sep 2023 12:26:43 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=RVJi3YJ9; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4RrHp95HrYz3c5d for ; Wed, 20 Sep 2023 22:26:41 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=RVJi3YJ9; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=jlayton@kernel.org; receiver=lists.ozlabs.org) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4RrHp232dbz303l for ; Wed, 20 Sep 2023 22:26:34 +1000 (AEST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BF45061BBB; Wed, 20 Sep 2023 12:26:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B116FC433C7; Wed, 20 Sep 2023 12:26:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695212791; bh=j2Ujv7mECWiiyepGgcf7cYeq2b5uXg4j5WSf8WCGJGw=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=RVJi3YJ93nkGdme97CPVZyKVsXRompHSEpqtPgjg5IXZpeeoDKXr4+/N/2g8SazNs PTMXfjbLyVcmcMlPWK9gkCUtPoVL08D+8T05skUSNXNcqojDYuKIJ3D4iWsQcQ6/p1 nd9CYh7ZGv0mecri9lQNu6T+URWU12zhbzr3m2+MF994QE4TOTY30oj8CIGcHrjPaV p5eQQYHK9EbLKwSLlRiXFpn887zwMtzAwEYy9X3/fczshcnuzqpR2PcPdvzsvp+Nwj nUXi4yVYSv9CkblAa+vVWETbd39smzugtkni9XuKQCezFNMIk6+brCA9QPeH9rNHQP PWQ6YJSMI9mJw== Message-ID: <08b4e3275bad93ed99ea2892bd1950ff401ab912.camel@kernel.org> Subject: Re: [PATCH v7 12/13] ext4: switch to multigrain timestamps From: Jeff Layton To: Christian Brauner , Jan Kara Date: Wed, 20 Sep 2023 08:26:23 -0400 In-Reply-To: <20230920-kahlkopf-tonlage-ab6ca571465e@brauner> References: <20230807-mgctime-v7-0-d1dec143a704@kernel.org> <20230919110457.7fnmzo4nqsi43yqq@quack3> <1f29102c09c60661758c5376018eac43f774c462.camel@kernel.org> <4511209.uG2h0Jr0uP@nimes> <08b5c6fd3b08b87fa564bb562d89381dd4e05b6a.camel@kernel.org> <20230920-leerung-krokodil-52ec6cb44707@brauner> <20230920101731.ym6pahcvkl57guto@quack3> <317d84b1b909b6c6519a2406fcb302ce22dafa41.camel@kernel.org> <20230920-raser-teehaus-029cafd5a6e4@brauner> <35c28758a9cc28a276a6b4b4ae8a420a1444e711.camel@kernel.org> <20230920-kahlkopf-tonlage-ab6ca571465e@brauner> Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Latchesar Ionkov , Martin Brandenburg , Konstantin Komarov , linux-xfs@vger.kernel.org, "Darrick J. Wong" , Dominique Martinet , Christian Schoenebeck , linux-unionfs@vger.kernel.org, David Howells , Chris Mason , Andreas Dilger , Hans de Goede , Marc Dionne , codalist@coda.cs.cmu.edu, linux-afs@lists.infradead.org, linux-mtd@lists.infradead.org, Mike Marshall , Paulo Alcantara , Amir Goldstein , Eric Van Hensbergen , bug-gnulib@gnu.org, Andreas Gruenbacher , Miklos Szeredi , Richard Weinberger , Mark Fasheh , Hugh Dickins , Benjamin Coddington , Tyler Hicks , cluster-devel@redhat.com, coda@cs.cmu.edu, linux-mm@kvack.org, Iurii Zaikin , Namjae Jeon , Trond Myklebust < trond.myklebust@hammerspace.com>, Xi Ruoyao , Shyam Prasad N , ecryptfs@vger.kernel.org, Kees Cook , ocfs2-devel@lists.linux.dev, linux-cifs@vger.kernel.org, linux-erofs@lists.ozlabs.org, Josef Bacik , Tom Talpey , Tejun Heo , Yue Hu , Alexander Viro , Ronnie Sahlberg , David Sterba , Jaegeuk Kim , ceph-devel@vger.kernel.org, Xiubo Li , Ilya Dryomov , OGAWA Hirofumi , Jan Harkes , linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Theodore Ts'o , Joseph Qi , Greg Kroah-Hartman , v9fs@lists.linux.dev, ntfs3@lists.linux.dev, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, lin ux-f2fs-devel@lists.sourceforge.net, Steve French , Sergey Senozhatsky , Luis Chamberlain , devel@lists.orangefs.org, Anna Schumaker , Jan Kara , Bo b Peterson , linux-fsdevel@vger.kernel.org, Andrew Morton , Sungjong Seo , Bruno Haible , linux-btrfs@vger.kernel.org, Joel Becker Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" On Wed, 2023-09-20 at 14:08 +0200, Christian Brauner wrote: > > I wasn't proposing to do that work for v6.6. For that, we absolutely > > either need the mount option or to just revert the mgtime conversions. >=20 > This sounds like you want me to do a full-on revert of your series but > why? The conversion and changes support an actual use-case and are fine. > It's a matter of whether we unconditionally expose it to users or not. >=20 I don't, actually. I'm just mentioning that it's possible if we find the mount option to be unpalatable. > @Jan, what do you think? >=20 > > My plan was to take a stab at doing this for a later kernel release. >=20 > Ok. If it works out, then we may be able to eventually remove the mount option, but that is a separate project altogether. --=20 Jeff Layton