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 B570C471264; Tue, 21 Jul 2026 18:44:24 +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=1784659465; cv=none; b=N3qIsqzlO3XN1Yx8P33W3aPQy0ujyphgXGPGIrsxocsSQ0XMy8ioSFAA0wFdHW0+yIzz8HZUwlsh9u2yVW6/WVNu8jLwuuv5XP3cDGpZfcULwW9DauAeRMUGmRrzlpFaOjCg1gpYS0dgaC1eVc5qxSyBBDSgBdPxfA6LJHWNvCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784659465; c=relaxed/simple; bh=gHl4HQg4dFPXM12xo/VO+LNovevHv2UmpG8XKevlUCQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S1v8ZGVqtzOkB2ixCSeyzjuPQ34/cmxGU7Mr7u0SyzYXUGIlEwAsveM1YCNEJxhmysxVZmIEcwhd5pw5orY4Z2/4/R6xYppM/cjeoPVttevKBOlIBdJYJP8bDmZrr+Az+ieHgdUMXskptsbvfYlrBF79XItXf3SDjRw306XhBDs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VI8QXyrt; 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="VI8QXyrt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 385BA1F000E9; Tue, 21 Jul 2026 18:44:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784659464; bh=AufMkm+nEeCieeEcnf+ZJSfHdxMb9GSGIeKul87lEHs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VI8QXyrtqShahK7xudE6bynn5yytRJCy/Ch1rexov6aQhbV1FcM1eubLjeZVRXyMb 3Ws0UK49pp1ZQFTzOh+Dwa73FnshywWaypODoUpSt/jVneZGKElQlbmriVB7w1tdfd Rc6utKZnknd9FxtIWD0GNveZu7y5ovicZgOwJ7Doyi8gtExLsHRb4L5WQXav07IFhd ZtWYdPI5uSIS3gVRgM6rA0KvNDx1Xx1cCaKeVp3/0/hx4yiHKxmib9roobdJWh7NzD mbB1j854JdsqVtYsmsEAK/32SNBEMuX8cgdMPfa9PHMTFadKWJUq3FaTHB3bKDWzAI oOU3GEW+QHwCg== 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, djwong@kernel.org Subject: [PATCH v13 10/23] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Tue, 21 Jul 2026 20:40:47 +0200 Message-ID: <20260721184346.416657-11-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260721184346.416657-1-aalbersh@kernel.org> References: <20260721184346.416657-1-aalbersh@kernel.org> Precedence: bulk X-Mailing-List: linux-xfs@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 11dc1a485ca7..55667cc762f8 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1370,6 +1370,8 @@ 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