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 8738F3D3CF7; Mon, 20 Jul 2026 09:05:21 +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=1784538322; cv=none; b=n+PmWw3XjDcIIqS+e6Ia/1r8v/Ybrzud59TR9KnWi2knICfLPnInd73I3nkRyzyaTt+QPmt40k6ArKm0YKT45qsayX5oHLvtmBMZfg0v91c8WHHIAmBc7XOeQbsJYwGPOKzXVZod+bs0VOUDaOjxKtu/7zTsp9qiSRj3okmHGMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784538322; c=relaxed/simple; bh=gHl4HQg4dFPXM12xo/VO+LNovevHv2UmpG8XKevlUCQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=npwI9qd+DKzfhDr9zZkNBJHfW5wmgzTO6Jiqtg9Q9e19wfkAhZ5YRoYCi/SQHU9pH954hYeA0K+YXUfQiru4QI8fQRfmC/mH4M1Q8Szz6uoOY8aKHgwG9P5LBE7S/hTa1y1WVk9qTD4qi2o3ne8q7uDzA/v2SfZVRET4oCti820= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H4tTs5sn; 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="H4tTs5sn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D58A71F00A3A; Mon, 20 Jul 2026 09:05:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784538321; bh=AufMkm+nEeCieeEcnf+ZJSfHdxMb9GSGIeKul87lEHs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=H4tTs5snpsGIyCxOsMqLuiTUHKXvzvDv1HKYpw8kASU2Yg3mI58jja6lV2cHVbuuP 6uIY2GJ6olbkPEASMhJsh8xIylZe0OXiXORO3r6TAF/BBE/4EuUS2HcDn73lb3hATc z72MpXklKW2PKnLRBZXcp6tuhP3FlEdljkg84DQcDtlE1e12qqgrve2n3oC6DWGYqR YHjVLsqD3awT/B0dEX7gSSBNW73uPO8Y6RPIlqBTkpAhwe4ISYmWF5JjPjqC0wEH+z 1sk4lKi96rQi6rDqJ793H82RelVwap4IOgMzZuuCdpsbeGYoq/jAFgN+Y3OY1K53bl cwzv0nH9tNdVQ== 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 v12 09/21] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Mon, 20 Jul 2026 11:03:37 +0200 Message-ID: <20260720090410.3487990-10-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260720090410.3487990-1-aalbersh@kernel.org> References: <20260720090410.3487990-1-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 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