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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0F049C05052 for ; Thu, 13 Jul 2023 23:01:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sVF0oOcwEqsXL9ToXNU03x5ZXb4YBmw60ObfEdHTuts=; b=iITaqnhXxyY9hn RdpHyUvj8dJIUWJvNjCoK8tKcQGLxipX1VY3gRz6JS83Y/rxqKXsR66PHy1BL81y3ytWFyYT+temH Tj6OBF2Qv7/vuXkzi/+FzbYoGLp/QJJaN2/0RkfRMIIUjc0iMLHThv/b134XkO3tbNnyTEGKxF2Q0 J8J+/v0CQNTeGZAI67IE9F4pIaiVDYcCHGEag6H/73prFaYC3a/WaJgW53DKXO+k2qfQ1zTWm/n7l N/m40ZsOf4euyxF9OSK43GV5WWX3KoupNLwt/ud9W2a9C3qEgZ4yIiUMeQfF7tAAcTrVE9bZuKboe iKpBXTbeleJ0VA0oeZRg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qK5JT-004VKI-0C; Thu, 13 Jul 2023 23:01:31 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qK5JR-004VIk-0Z; Thu, 13 Jul 2023 23:01:30 +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 B3CDD61B23; Thu, 13 Jul 2023 23:01:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 285D7C433B7; Thu, 13 Jul 2023 23:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689289288; bh=2uDpIMGQVMt/gC4T/BxJPAgKQID6PeU0gqKfksNKWnI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=liyRtyj08RhKgd05d/GbjIK8eAKSM10LdUJBz7UuFOcUyezObweCSPR4L5Jm7d/3+ J9oIvEYe6CWGwt55Hx9zbqLwPbb7BBKC8OMsAe7qX+kkwyjZAQBfJ+ADRMrXxSSmW8 Xzwhwg78up7SO0XMuFLZ6g+/2Pu108+rBwN7yk/z/7oyzpziWvzwOA3XIxMpCer4y9 lDdui9+QJ0qeG2V6Gtk4RHRd2VjBrRFJoqgHMQsHg6pmArcdKXD18EFN0CSdElLHCP iu0JCzqZtl2wBu87Ybj2JDoeOy/UseVuaxAORwjKb983nHW0GT8ewtb0Icu2w+Gl8j yMGVOCivsa/7g== From: Jeff Layton Date: Thu, 13 Jul 2023 19:00:52 -0400 Subject: [PATCH v5 3/8] tmpfs: bump the mtime/ctime/iversion when page becomes writeable MIME-Version: 1.0 Message-Id: <20230713-mgctime-v5-3-9eb795d2ae37@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" Cc: Dave Chinner , v9fs@lists.linux.dev, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, codalist@coda.cs.cmu.edu, ecryptfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-mtd@lists.infradead.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, Jeff Layton X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1641; i=jlayton@kernel.org; h=from:subject:message-id; bh=2uDpIMGQVMt/gC4T/BxJPAgKQID6PeU0gqKfksNKWnI=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBksIIusbBzLs0MybgDecBYC1rFLHPwWpvQ+zecR awgGePAm6qJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZLCCLgAKCRAADmhBGVaC FcSGEACub8Fc5S/WfyUSGxfmCSi3555ycDn+zVKXSPPiQKW1TR9LYRkybKANZmP0XYzYILSUfkU ORbNjYimhQNCSxlPeeC40MyHzjga0VRHqurUT8qqaVIVJ0nl+StBd40KLXAljpP3WXM1fGUAjvH vqO6pP6I3K3R/4qwCRMhWrNAcqt+qYKWVUUztTablCUbuklzQoblG24U2NK2DUfGepPumyDoeLH wYod7Y1kJ92qyEoEOPNjj1+tfqjWvN7+tAsFQwpD+N0sljCCXcg2XWKOgVJBsYaXx5OEbRfi6s3 ryBXi9Xk0/jA6otq2rUp6HaQyJkl6teNxs+4rz75eCu8rN02oQaqFzL83u3vBt3uPmVA1pHdS8E cYZhQx3P7nvLTFlUjA0Rbi4sH0FtHNJd3k1Gzcl8UkDcxVz29S7geHX+Nfj1BSUqKI8uA6NsJuI nzON+pBrEdS0RRFHXzAKsdPlG285eEeNPzqWMmCPQ8I0XVLSP4vbJ+WFJhx6uO+c2gz3VEz5rKg 46OipSdHjwUcz6Ps1TPvZpf/Z2bvpL5yiA+tPHgQX1nrRyMepOjxjN4vJX/dTEcENn7ySGN2vWY /RoI7eVxl9z18K25MgUs7+5WZGKkUPepl/96nVkOPQyWbt7euX8Tx6c+OgzD7T9pvDRi9idRO+a oNvcYRCw+z4sY9A== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230713_160129_291216_6BDCCD6F X-CRM114-Status: GOOD ( 12.69 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Most filesystems that use the pagecache will update the mtime, ctime, and change attribute when a page becomes writeable. Add a page_mkwrite operation for tmpfs and just use it to bump the mtime, ctime and change attribute. This fixes xfstest generic/080 on tmpfs. Signed-off-by: Jeff Layton --- mm/shmem.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/mm/shmem.c b/mm/shmem.c index b154af49d2df..654d9a585820 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2169,6 +2169,16 @@ static vm_fault_t shmem_fault(struct vm_fault *vmf) return ret; } +static vm_fault_t shmem_page_mkwrite(struct vm_fault *vmf) +{ + struct vm_area_struct *vma = vmf->vma; + struct inode *inode = file_inode(vma->vm_file); + + file_update_time(vma->vm_file); + inode_inc_iversion(inode); + return 0; +} + unsigned long shmem_get_unmapped_area(struct file *file, unsigned long uaddr, unsigned long len, unsigned long pgoff, unsigned long flags) @@ -4210,6 +4220,7 @@ static const struct super_operations shmem_ops = { static const struct vm_operations_struct shmem_vm_ops = { .fault = shmem_fault, + .page_mkwrite = shmem_page_mkwrite, .map_pages = filemap_map_pages, #ifdef CONFIG_NUMA .set_policy = shmem_set_policy, @@ -4219,6 +4230,7 @@ static const struct vm_operations_struct shmem_vm_ops = { static const struct vm_operations_struct shmem_anon_vm_ops = { .fault = shmem_fault, + .page_mkwrite = shmem_page_mkwrite, .map_pages = filemap_map_pages, #ifdef CONFIG_NUMA .set_policy = shmem_set_policy, -- 2.41.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/