From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 B80754E5354; Fri, 18 Sep 2026 11:16:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789730177; cv=none; b=QnH4EtvfnwAt0ljsDZctUIyHrT4fnrdcMf+z3J+32AtL2XTzFCSfF7LLzq+WD8WBvRnAuvNqsVMJa3fFJ8jvcWskwiK3f79we7kBMr7EcAX3K+5BW9Dpg/aOLqk1HlvH5kihY6kFZjSsoAEpTJpL5JlUX8N/a3Y4+lOYMVBPCY8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789730177; c=relaxed/simple; bh=H/e0P+UlJBXIJCMWsp5bxESKBgwV9KeCad/muhyUdmw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h4B6VMUYFpEB9YgHemUjDh/7GT8wljTUbpedilfhmrbz6cOlXEPKYPLtr+BrpG8ZA1GGyrFnemntdfdCp0h6gipQdj6qaH4hObeMUrBnVyUIqC/sSNbyDQlLw1ASnLrnsNOXsgz/EGLaLqqE9f+VTOruTM+TbRnPWPtemgg9Qiw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b1zmhfPu; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="b1zmhfPu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4D2E1F000FF; Fri, 18 Sep 2026 11:16:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789730175; bh=tyN8+gtU92vgNY5ULImxmqhPQNG/e7/IRfFO6L6Bczg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=b1zmhfPuB3eWjGJ8+HUeW4aOIv9heH2h4oqCwT1HbwzCMvxN3cVAmC3mW4GycylLU sDhK8csu45egFrMwtGAskDjO+9AAObefpTeATg0fSGm7iO6dUXDmICIyyWhaGqSqt/ C303RxKaFzCQveOKD3O5zt14IwOYr8bkrQ+5FgVtSOyA5vVEYGZr7/cKFHUOFuzau1 a5IhAxrbSYeu284PF5eCoKFUULRK4nNWAy6sWb0NVcC9QS6OdlyBlAHAwr6J01E8cL a4wpzEAAzmj3j87VNvivqy1EGXL/S67XbZm4PPEnVT4Dfaao34l9UASlNuPNIRHFQR Hon1W5fezjpJA== From: Andrey Albershteyn To: djwong@kernel.org, ebiggers@kernel.org, hch@lst.de, Carlos Maiolino Cc: Andrey Albershteyn , fsverity@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-btrfs@vger.kernel.org, david@fromorbit.com Subject: [PATCH v16 08/21] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Fri, 18 Sep 2026 13:15:20 +0200 Message-ID: <20260918111539.1003439-9-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260918111539.1003439-1-aalbersh@kernel.org> References: <20260918111539.1003439-1-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 c7ecbb3d258a..b07ca2a33c64 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1369,6 +1369,8 @@ 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) -- 2.54.0