{"id":2229443,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2229443/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260428083332.768693-13-aalbersh@kernel.org/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.1/projects/8/?format=json","name":"Linux ext4 filesystem development","link_name":"linux-ext4","list_id":"linux-ext4.vger.kernel.org","list_email":"linux-ext4@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260428083332.768693-13-aalbersh@kernel.org>","date":"2026-04-28T08:33:18","name":"[v9,12/22] xfs: don't allow to enable DAX on fs-verity sealed inode","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"bdd19747f49433032f96628d948bac49921c59b4","submitter":{"id":92821,"url":"http://patchwork.ozlabs.org/api/1.1/people/92821/?format=json","name":"Andrey Albershteyn","email":"aalbersh@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260428083332.768693-13-aalbersh@kernel.org/mbox/","series":[{"id":501796,"url":"http://patchwork.ozlabs.org/api/1.1/series/501796/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=501796","date":"2026-04-28T08:33:09","name":"[v9,01/22] fsverity: report validation errors through fserror to fsnotify","version":9,"mbox":"http://patchwork.ozlabs.org/series/501796/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2229443/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2229443/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=uExNpB7l;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=10.30.226.201"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777365270;\n\tbh=60UpzLwPFsE/OH5uzd9+hLYE021xyutp1l0GCWgkWzo=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=uExNpB7lI5TLuU4iiAvSboz4KLVlP5zUbA9lfKW0aRGF7UG0X8l9xYAp7I6VFbT18\n\t CwsJybc0TMAVm6cgCGoAghdhG1lK4Qgn+3L0y6+q4rY9+bIdvZDmyaITu3pQsfZ4im\n\t dhRxqs369iOhGhCB4RuHQCOFHoL2YtnocKU/U8BixF2IiaMiIUPqhW6gLqyxg6CAJx\n\t CCGmlZ9xky32NRw1lTVRlj6us/SjXfwOfxu1vlO6S+iUvFF4IDd7xPcPJQ5XqRlUPR\n\t dtPt8rturOOJQ2b6o/kXgKnPryFRyIF/1dgtGUSiXDBRMVNXAECbth70Ee7RL5aQOi\n\t A9w+H0rXfE20Q==","From":"Andrey Albershteyn ","To":"linux-xfs@vger.kernel.org,\n\tfsverity@lists.linux.dev,\n\tlinux-fsdevel@vger.kernel.org,\n\tebiggers@kernel.org","Cc":"Andrey Albershteyn ,\n\thch@lst.de,\n\tlinux-ext4@vger.kernel.org,\n\tlinux-f2fs-devel@lists.sourceforge.net,\n\tlinux-btrfs@vger.kernel.org,\n\tlinux-unionfs@vger.kernel.org,\n\tdjwong@kernel.org","Subject":"[PATCH v9 12/22] xfs: don't allow to enable DAX on fs-verity sealed\n inode","Date":"Tue, 28 Apr 2026 10:33:18 +0200","Message-ID":"<20260428083332.768693-13-aalbersh@kernel.org>","X-Mailer":"git-send-email 2.51.2","In-Reply-To":"<20260428083332.768693-1-aalbersh@kernel.org>","References":"<20260428083332.768693-1-aalbersh@kernel.org>","Precedence":"bulk","X-Mailing-List":"linux-ext4@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"fs-verity doesn't support DAX. Forbid filesystem to enable DAX on\ninodes which already have fs-verity enabled. The opposite is checked\nwhen fs-verity is enabled, it won't be enabled if DAX is.\n\nSigned-off-by: Darrick J. Wong \nReviewed-by: Christoph Hellwig \nSigned-off-by: Andrey Albershteyn \n---\n fs/xfs/xfs_iops.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c\nindex ca369eb96561..17efc83a86ed 100644\n--- a/fs/xfs/xfs_iops.c\n+++ b/fs/xfs/xfs_iops.c\n@@ -1387,6 +1387,8 @@ xfs_inode_should_enable_dax(\n \t\treturn false;\n \tif (!xfs_inode_supports_dax(ip))\n \t\treturn false;\n+\tif (ip->i_diflags2 & XFS_DIFLAG2_VERITY)\n+\t\treturn false;\n \tif (xfs_has_dax_always(ip->i_mount))\n \t\treturn true;\n \tif (ip->i_diflags2 & XFS_DIFLAG2_DAX)\n","prefixes":["v9","12/22"]}