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 37E861ADFE4; Mon, 20 Apr 2026 11:48:11 +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=1776685691; cv=none; b=H3AWFVRuaCbvf+fRREkBfPZdcA7+Bo+VJovT+RU7//WD2/ENELELFkw/dpE+fmO0e6/7UhW07mZyiRpBLsPt0o0esM5hqtzpwKqpDTgCs9rp58nCBDV6tH9h24emokofGuw1NE/4Gcdvn+tRAS3lCPDxL5EXIlwXircTz8gkOok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776685691; c=relaxed/simple; bh=60UpzLwPFsE/OH5uzd9+hLYE021xyutp1l0GCWgkWzo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HbSwmecyXDJX+nUgHItEwFodmAWFLC1Crp9AaGLEcmzZts1Ul4lRcsJsm5yhA7VOHG00ZBbFyFyLA+fULqdllmUIGoXbmWSvtN0NvCQg2F0+2uoRYeRayn+XYdvLoTkbr0KO/Ubh6PJFf0QRUpA5KECX3jYISNO3sMcyobszZLA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QoVamUM9; 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="QoVamUM9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A683C19425; Mon, 20 Apr 2026 11:48:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776685690; bh=60UpzLwPFsE/OH5uzd9+hLYE021xyutp1l0GCWgkWzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QoVamUM9pS1DOnTInr5BB8va/ZhkdEZykl70IWr4syzFZW8mpej5TV+ISGE6nhlWJ 5Q7c5l5usieSIEuXOjc8mkQxG9mLF+Kzn+px1IFvFvG/eGtn0z17Aj0YvvdySsq8yb CvBsbrYlyR8jiPgvtUSh3ihIymP84bYKpKGtlTjpejfGvPNjjvUewZ/WuT93smBgcR acG1co253dMIb1XO9Fj9iEUN9zvxS7HovZ3ySkYBOzqwxnehLkX49qoTcSdqgzcipa dxW5JGN5P3UAnwNjg7+dLz4KiQsWK69ZUL3Y+uXZPNyU+tJRcDbBNYJMigKeedO/Uj vg3q0n7v1sMzQ== 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 v8 12/22] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Mon, 20 Apr 2026 13:46:59 +0200 Message-ID: <20260420114714.1621982-13-aalbersh@kernel.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260420114714.1621982-1-aalbersh@kernel.org> References: <20260420114714.1621982-1-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