From patchwork Tue Jul 25 14:58:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13326607 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 4B4FDC0015E for ; Tue, 25 Jul 2023 14:59:25 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1qOJVU-0003Z7-3f; Tue, 25 Jul 2023 14:59:24 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qOJVT-0003Z1-Ic for linux-f2fs-devel@lists.sourceforge.net; Tue, 25 Jul 2023 14:59:24 +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=6nWojr0hKqa4JaCj2j3XdG2IwZm8djxTYWn9rXHaZSQ=; b=FoiTrBFc6sy4EcZFwPXHX9KXm0 jDkHLTa1x2b1BltAGSQLqQauhVeDdDQsSnbyEW+8kUuy2TWD+Iqixxg8JipLffJPYEoi9Y8IYWnEa MKISriN2hkFThDfTiYuQUYxggU7N53DBxPIG1V1ctCa4V7BUgoxv8wnGAwIKq8nhH4F8=; 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=6nWojr0hKqa4JaCj2j3XdG2IwZm8djxTYWn9rXHaZSQ=; b=StdvOmtTUnoriO0kVkzOh741HV l2YUNoCyjx5GkGB1pv9KV8sJwW9aeDK+CPpSn+j0OpWh3t4TusaEItxW3JJrK3ogSPa0Q0hRVWMb2 13Vuq78TpCeeHLmfxK+i7NhQfvdcemcIp/rg49g6ABhVtfh403ORSZZt/PiBaxw3AErw=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1qOJVT-0007BE-C0 for linux-f2fs-devel@lists.sourceforge.net; Tue, 25 Jul 2023 14:59:23 +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 C9414617AF; Tue, 25 Jul 2023 14:59:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FE35C433BA; Tue, 25 Jul 2023 14:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690297157; bh=1/8G5JaqUI6KuuI2rdJCgZt0gS2ge3CDkWe83TSi7uM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=OKVh6IhRvMPzZaUNNT/6mBAoahekKV8Su19ujYhua5dNsSJXGr2MngNtpKOYADlS5 Hcq3wM7FDUZ1AhwU5l0SkI1+lCCn8xOR0JJEjELHxkXsYQRXohxF15c8QjQl0Xm+Dp AabYaBtk81zigqO/ZNjxOWuBUbzqMLIiq+sCKRMr913CtPRA3nMy4ZQya2P+aMfBUm DfLibUhnVNjPNL0YkM5WeV2HMZF3SVAzWSiYRKfJIayN7D5eWYtRDof0ETICfcAJhP 1QdzIniwIyLPb29vjUNBQTa5/ioEZS6W4QeTzhNnSbuJelJPSwWTBbQCum2wVq78oc 3sGYY+SrEP5rg== From: Jeff Layton Date: Tue, 25 Jul 2023 10:58:17 -0400 MIME-Version: 1.0 Message-Id: <20230725-mgctime-v6-4-a794c2b7abca@kernel.org> References: <20230725-mgctime-v6-0-a794c2b7abca@kernel.org> In-Reply-To: <20230725-mgctime-v6-0-a794c2b7abca@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=769; i=jlayton@kernel.org; h=from:subject:message-id; bh=1/8G5JaqUI6KuuI2rdJCgZt0gS2ge3CDkWe83TSi7uM=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBkv+Mkeyk/syoIEMjY8h9EHJqsxQ0aWd6cS3gVn sS0hR6R/6SJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZL/jJAAKCRAADmhBGVaC FYYkD/9ytQv3AFDwSgID22VN0gkInS/gdWOU/XMQQ111VBBi+jtoL8sLhVN5+hTN45+z+uGCwcK ELptnx+sw1zyhpa/86b54P+Vj5/WEHTeyw/CugTFYvMMoxwZw3ZF8vYg4M+6ynQZWEJf2tQTk2K tdiekC/jrc+9KjYzeRXXoAq7TsgQVc8u4/u2BW+1mdUZ98N9dl6u4nDXkARcLRI+LqNSqh9d6yO IxOufKgdLh3pGMAHW0q+fSoPiNMaAQfCgxRx5Zy5ia1ZTPZzU6Mby8JrQ1f7U5WMxcYwL5SocmN G1UQX9z0RwE31B3CXLu6imdPlx5v9rro+6PBLF3MSRTzzmiLn5NVhf3ASxqYHB88Pxb8/YrZ5Hf p/mwAO9pFriehz2pTk7gj/rsg8EUkXvtGxT5/Ud0BQecMRLtzeelj7BsIirEdqiFM+oyJieS+6R yLQRWQ90+womEnX2UOBBDcSKJ4IRMVFTxqfRtTbtj+avSSM1HsqYg0PG+ZTcD7VzonTutJSupea MDCgNVtA3BSf4FlJtanXc6obMiQXMpaMbvRF7g7ZZQQ+I6clgjwlo2maEMVCXlobjZ7og+2Vn/L zdsEdNjCGYRoIRNzoAeGM8rXQ6ra0wNwBlgnVC6G77t8+98CH+j80wmzcqQzAx9NPFqiEcsD79b 2pTWmlY/xVg/8Xw== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 X-Headers-End: 1qOJVT-0007BE-C0 Subject: [f2fs-dev] [PATCH v6 4/7] tmpfs: add support for 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, Anthony Iliopoulos , 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. tmpfs only requires the FS_MGTIME flag. Signed-off-by: Jeff Layton Reviewed-by: Jan Kara --- mm/shmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/shmem.c b/mm/shmem.c index 654d9a585820..b6019c905058 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4264,7 +4264,7 @@ static struct file_system_type shmem_fs_type = { #endif .kill_sb = kill_litter_super, #ifdef CONFIG_SHMEM - .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP, + .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MGTIME, #else .fs_flags = FS_USERNS_MOUNT, #endif