From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10AC63002DD; Tue, 28 Apr 2026 08:34:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777365271; cv=none; b=nJOk+TaNPWqqo+gpIb3Iyc5st7L7kacn34PLe3T4eGmHtXlZoU+6Ncysl59MTyO2wGnAeMYgNAK7np5sy+aIbnhtaKw+92P6yIhLezC9qbUR9nMPxgp/fZ7W3/dUrb1sXe37Zl/TaQ5nkmsa7e1yzPdhDPGkO+NjBrIOPIzTq+g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777365271; c=relaxed/simple; bh=60UpzLwPFsE/OH5uzd9+hLYE021xyutp1l0GCWgkWzo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZWq0ldL4MSnXEFqT4BQ4wD4SeNpn36aJwmpYaVFS1FfrEYNyYQR0P3wKTQHSdxG1UQ5fTjW+pmiHVlNoyiBuyqqheMcG04JigjscZ7tzVrTx6GxN3JFWuWyV4mS/shzGJSg9i8RPNAcgUmSU0HikQEDxiKxDxD6JOgKV47a0+0I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uExNpB7l; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uExNpB7l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74D48C2BCAF; Tue, 28 Apr 2026 08:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777365270; bh=60UpzLwPFsE/OH5uzd9+hLYE021xyutp1l0GCWgkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uExNpB7lI5TLuU4iiAvSboz4KLVlP5zUbA9lfKW0aRGF7UG0X8l9xYAp7I6VFbT18 CwsJybc0TMAVm6cgCGoAghdhG1lK4Qgn+3L0y6+q4rY9+bIdvZDmyaITu3pQsfZ4im dhRxqs369iOhGhCB4RuHQCOFHoL2YtnocKU/U8BixF2IiaMiIUPqhW6gLqyxg6CAJx CCGmlZ9xky32NRw1lTVRlj6us/SjXfwOfxu1vlO6S+iUvFF4IDd7xPcPJQ5XqRlUPR dtPt8rturOOJQ2b6o/kXgKnPryFRyIF/1dgtGUSiXDBRMVNXAECbth70Ee7RL5aQOi A9w+H0rXfE20Q== From: Andrey Albershteyn To: linux-xfs@vger.kernel.org, fsverity@lists.linux.dev, linux-fsdevel@vger.kernel.org, ebiggers@kernel.org Cc: Andrey Albershteyn , hch@lst.de, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org, linux-unionfs@vger.kernel.org, djwong@kernel.org Subject: [PATCH v9 12/22] xfs: don't allow to enable DAX on fs-verity sealed 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 fs-verity doesn't support DAX. Forbid filesystem to enable DAX on inodes which already have fs-verity enabled. The opposite is checked when fs-verity is enabled, it won't be enabled if DAX is. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig Signed-off-by: Andrey Albershteyn --- fs/xfs/xfs_iops.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index ca369eb96561..17efc83a86ed 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1387,6 +1387,8 @@ xfs_inode_should_enable_dax( return false; if (!xfs_inode_supports_dax(ip)) return false; + if (ip->i_diflags2 & XFS_DIFLAG2_VERITY) + return false; if (xfs_has_dax_always(ip->i_mount)) return true; if (ip->i_diflags2 & XFS_DIFLAG2_DAX) -- 2.51.2