From patchwork Thu Jul 13 23:00:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13312713 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.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (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 BB8BFC3DA40 for ; Thu, 13 Jul 2023 23:02:01 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-3.v29.lw.sourceforge.com) by sfs-ml-3.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1qK5Jx-0006nu-0r; Thu, 13 Jul 2023 23:02:01 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-3.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qK5Jw-0006nm-5y for linux-f2fs-devel@lists.sourceforge.net; Thu, 13 Jul 2023 23:02:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From:Sender: Reply-To: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=X0oljiepnSz5gM+zvheytrmp9iA1L6amij6hJTcG588=; b=jCgF9CT2y3JRCCxWIiqPhXxlTS pCkRZTgXZfXLsHN/OldFie0drUQ6M+JbBKSbtr9lredYLIuB0gtHofgDSt9ogOeJDsE7kW1iFJKiq mQsKWYd/RkVy1gvZNU2o/WCjAZYAPFBfdWeb4Ygpuv8HHROWXlv+Uh8vy+moZn89z0l4=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Cc:To:In-Reply-To:References:Message-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Subject:Date:From:Sender:Reply-To: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=X0oljiepnSz5gM+zvheytrmp9iA1L6amij6hJTcG588=; b=JYNLTuRPMdgK2kRHFurjAx2qFD pKJojPNQ86M0bNjPT1GaJAlMTXAwIOxHNZbHHXtiwdnQJ7PlmS1eENiwq6wSuP2uD9I6apbHBqFYt hHfmxII0xSySqlG727fr0sry6835xF8elGVdFZwBnI4qQ6PIKPMKMkZwsKoI2MgPIuTs=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1qK5Jv-006wGX-2y for linux-f2fs-devel@lists.sourceforge.net; Thu, 13 Jul 2023 23:01:59 +0000 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 80B8861BA9; Thu, 13 Jul 2023 23:01:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC563C433AB; Thu, 13 Jul 2023 23:01:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689289312; bh=kIvw1OVi/OYz+atwIBCynX0q88XJ1zU1WapHn2pYQP4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ji6lTm8ixvNtDVVdWA3hLyHSMWJKcMADi3bT5BtloRaThTlgVtrnfDXRVZYz43eRu e46QVkCnWld61ntI9tgz1GRsuSCFqBU2ObStlUNmu2ITfHTBwbv7vJEVbd4VhZV50Z dT95XgUQ0gE/E1uvcZKi9FQTchZ0DfPl+ZI9RB22N2f/MLfNFP/JZ9fevITXI82Nnn gxkb+MeSgX88JSRcRtINCznpW+x3Bw6LJRgU7m1nPn5OW1YU0SQ5fO7Mc35+2Am2DI 3RZxGv1qzyqNs6VT+JidZtfoYQynlt0REEMl5HH24pEX9jmVLyVDYYNkSzsIu+nPLz p0XGmDep4V68Q== From: Jeff Layton Date: Thu, 13 Jul 2023 19:00:56 -0400 MIME-Version: 1.0 Message-Id: <20230713-mgctime-v5-7-9eb795d2ae37@kernel.org> References: <20230713-mgctime-v5-0-9eb795d2ae37@kernel.org> In-Reply-To: <20230713-mgctime-v5-0-9eb795d2ae37@kernel.org> To: Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , David Howells , Marc Dionne , Chris Mason , Josef Bacik , David Sterba , Xiubo Li , Ilya Dryomov , Jan Harkes , coda@cs.cmu.edu, Tyler Hicks , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Namjae Jeon , Sungjong Seo , Jan Kara , Theodore Ts'o , Andreas Dilger , Jaegeuk Kim , OGAWA Hirofumi , Miklos Szeredi , Bob Peterson , Andreas Gruenbacher , Greg Kroah-Hartman , Tejun Heo , Alexander Viro , Christian Brauner , Trond Myklebust , Anna Schumaker , Konstantin Komarov , Mark Fasheh , Joel Becker , Joseph Qi , Mike Marshall , Martin Brandenburg , Luis Chamberlain , Kees Cook , Iurii Zaikin , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Sergey Senozhatsky , Richard Weinberger , Hans de Goede , Hugh Dickins , Andrew Morton , "Darrick J. Wong" X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=843; i=jlayton@kernel.org; h=from:subject:message-id; bh=kIvw1OVi/OYz+atwIBCynX0q88XJ1zU1WapHn2pYQP4=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBksIIvy36LZaWXx77QDXekEjnV6herdriJfAZSF KRvi1GJeviJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZLCCLwAKCRAADmhBGVaC FdpuD/4olF8PfkzpOMhKo0pYakgpPOkYsvbjRlnWul1JeLAyEulDwt7cUm7WvWS7sMfn1nmbiyP ZHDXA8DklrSv30kAkd/SL9dBOk9CqQRpnh3gYQN8VNdWNLw39gnLGtNuYCpAfLNo6atBt+fNyyC 9JTlkqthcsWlIIJg04NUID5P3Jx07BORb0Uye5L4hJyaE1uS3bR9dMrxhAWH4RhuGTPnQOnDXy0 8jUhXWSuWv5boD0GGnQiwKp0sMI/s08qlD+VHcAKA3ng2vs9Kgpqr37JvvET803NiGk8yj9pL03 zs0M+o+33FLV8FRVqOh+U+Jx4gU5h0mFwEp9K+Thq8cujHzoq47kEHiEUovgVSQuqftTIVBazJG hs4VXOKAnNx4QoIzUmqCsLgvvJMSxUqe1h6CftfWNBb74Gl7VROa7K/9RRLjvfgLUknDQaYmnWs uRwFrVVPpco6YGgC+fPrV0+xTVyKEA/2zTAlQWrS7tRu0NtjQWSaQcYgz1Gpc6JaotWcgbi9HFc DovY/3/xXCkw7YtqNGLZBg8SMoSWMoDxy7Uwz5OXs5uUpmFp0p1YgTS1GFz/wgOrNTbFHTHc3QX hRQiNndjZv+/zFzfH7J5roV04qDMIMAABTOlktx3N/eKz8JCFhz6AePPqjavoMl+dS8drsBe4xd SUt6/wNve4Dcx+w== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 X-Headers-End: 1qK5Jv-006wGX-2y Subject: [f2fs-dev] [PATCH v5 7/8] ext4: switch to multigrain timestamps X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jeff Layton , Dave Chinner , linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, codalist@coda.cs.cmu.edu, cluster-devel@redhat.com, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, ecryptfs@vger.kernel.org, ocfs2-devel@lists.linux.dev, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, v9fs@lists.linux.dev, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, ntfs3@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Enable multigrain timestamps, which should ensure that there is an apparent change to the timestamp whenever it has been written after being actively observed via getattr. For ext4, we only need to enable the FS_MGTIME flag. Signed-off-by: Jeff Layton --- fs/ext4/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b54c70e1a74e..cb1ff47af156 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -7279,7 +7279,7 @@ static struct file_system_type ext4_fs_type = { .init_fs_context = ext4_init_fs_context, .parameters = ext4_param_specs, .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME, }; MODULE_ALIAS_FS("ext4");