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 D8C2E43F4A6; Mon, 3 Aug 2026 20:09:33 +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=1785787775; cv=none; b=PWpymqa40cAvHMEIEDJKv0EURbuepGvs4s4yfc1ZNEScUTisfabvZee1DyPiEK0EPfhq/GK9M+0eXH17pd6jU7ZwlcAJqJH8P10pw8Ce42fQeVxRTr4KFJmsCXyOBt8PlD0kznyHikmKUgCxkCCPknipW/Ljtz8d1xQb4T5aCg8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785787775; c=relaxed/simple; bh=gHl4HQg4dFPXM12xo/VO+LNovevHv2UmpG8XKevlUCQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gzaTv/OIN2pdHdB5cKFlgPcy9Fa1HJM4FMEHl0oGDPf6t034J7Y88g/V12z19KagLVh/m2FXPEaX97AK7eB5VsAtXCw1zudCRaXYhFtDX64Ax6BIJQz9mNAy+cLAvMF2tQVDiAuROiFoFnF96sGvBKMfSpL2GnlaSMKISlrjw8U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BRv+Lhti; 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="BRv+Lhti" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD82D1F000E9; Mon, 3 Aug 2026 20:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785787773; bh=AufMkm+nEeCieeEcnf+ZJSfHdxMb9GSGIeKul87lEHs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BRv+LhtiG+1pVRFvdMV2uconPz3S4bZF/fjyim/XtOpOlb2zlNWV4nV7XLkXwUKFG 6YgxBzAG88dTdgKb4O4Hll83gaVJ380jNJzht/ySR9PLT25raZ2F1yFQM4croyINQK QmrNrMpvoYzI3lwx4OOxCX17YjGHpXCKtmb1+uZqUrptu9e+8+63qY6Atjve4i9ZNH WLia2WqUndXlB4xDwy6PeDjbEyubwP0XiARoEUhQf1SRnhNEL5LSa6TNHpdqfqPmlH pOXuv2IRzQ38D0W5X/G1NGyuOZkgm/zwf4FIb4+mejYgFnP2xzJLTWNuSBYavjHdDW k1hu/KZLGBTpg== 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 v14 09/21] xfs: don't allow to enable DAX on fs-verity sealed inode Date: Mon, 3 Aug 2026 22:07:59 +0200 Message-ID: <20260803200820.393203-10-aalbersh@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260803200820.393203-1-aalbersh@kernel.org> References: <20260803200820.393203-1-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