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 2728A411A03; Fri, 2 Oct 2026 22:37:41 +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=1790980662; cv=none; b=cGxSEqMXofp5l63Q1E3EYjip/9r2YpoMYSdGvpijvwWQRSLUS8IdyukoazK+a0+DwPIsrRPBUrD5Z6bn4cUfylFS166MikXj6zRKlaHo/LB72Dz4PSCHJZ44atzZWEtphipgLs1msSd3q+3Zgp5zX5LryH2E1XySwFwhSDPfda8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790980662; c=relaxed/simple; bh=H/e0P+UlJBXIJCMWsp5bxESKBgwV9KeCad/muhyUdmw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ubcyZoHHN2UCZh7YhHopAoMGVbY2JDn29M29vhLc/f+ocN4f9lVZ3+97ORNYI5YBg0yt6X+68unlRB6TYtJvGp+jP3eEHpOTIq/j7MU0P905FkaGfl2IJRgC+m2gToXm+0prSYGphmxjUfES9jLHQTwosDS4EEEco3eihICbM70= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Is6rdJmm; 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="Is6rdJmm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16CFA1F000FF; Fri, 2 Oct 2026 22:37:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790980661; bh=tyN8+gtU92vgNY5ULImxmqhPQNG/e7/IRfFO6L6Bczg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Is6rdJmm0F740AinrlD2eXqyQ7AnNrjuP5QcPizteoY4fErQuf4b372wSufcyTpwG DfD+ogqXcOEEIPLqRu0Xk0Q0cVs0mDcylKHW1kpe0MeZA38YSOM7QGzEd0oBIGxk5E XKJCJgZOqTviIv0Kj0/07h3MT0BfC2AVswMpbecJ1bnTwWIWMqpMBPB+nbzbYmA6/y jUmZvZ4AghOwsfooqgtmHwV10fPRswe04TVonX12wfSorIksJk1tCl5zRUzl7ZhIPs 874hWB8sD2Y7C6+h+JOurBcKXIph4D5k65eIlzYgko16vJfHbLuleABmueEyMx+Uap hynN3EuS5Zovg== 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 v17 08/21] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Sat, 3 Oct 2026 00:36:49 +0200 Message-ID: <20261002223705.2175542-9-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261002223705.2175542-1-aalbersh@kernel.org> References: <20261002223705.2175542-1-aalbersh@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@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