From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0E8BE26E6F4 for ; Sun, 4 Jan 2026 16:10:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767543026; cv=none; b=iGeLuzKs9D8O6nFKYIPj/fx1mxokNSOaCmjva3luJ++8Xr2xyltuvh8qp2g5yw9HGDCUGXe8GW9bTHqOzBHEqdvAk/u9+YH0kdJVYmttUcO5/n9ev62QV0X67JzTjEkb1IGrrNDHxQpU35/g9pnsokmSmjjwAt3yFGmFOsUdKYs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767543026; c=relaxed/simple; bh=394FQS1GzkKsWj6KStwgxd5Qjw5K6ICG0ycORtSNlK0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q2T3RBkhpuPT2arOQsTMVaYnFxm2ddPq6rH95wITwVY3XjV7/rA5h/WRwdeyYIAjmohv6nqYkrz9M7htIhj1rnUgtSwNeF7Oa2dyzc3i2Wdnae9BMnzpJIJ3rgHBEci9b2o2bgJw7EBSoO6RruYLQlESKXDJo9rmTVETsYE2SvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ETXk3Vtu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ETXk3Vtu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F693C4CEF7; Sun, 4 Jan 2026 16:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767543025; bh=394FQS1GzkKsWj6KStwgxd5Qjw5K6ICG0ycORtSNlK0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ETXk3Vtu1vp9kCOvHu7EJ8yn0YeZX9zk1RXLtAxRZa+LUQJoVwa13KB4zrMkgaGqa pSBcrX1WXSZbcMOzO1fEPEQ6HgbhUt/7vitIZAVWzfxOIVtV/PKukCTHuzC469zDp3 CFZeP63A1zdCV/VwiMBoWUKg6QLNpZVmFUyFqvWMjGVlCteLu4iy3IiToi4DpETH9g 6rKTlL9j1yqn+ifq9r88KNgX6AV/8h741DACqEJLcISZK5ZQboCUO4wGjP0FA/7vS3 xOAna82Nnai/JxhC1f/cfpb67cononUOnZ529J1Q9E6OdvwE7zgegJcmmjCUWMNGLh /dqy8d88jhBIA== From: Chuck Lever To: NeilBrown , Jeff Layton , Olga Kornievskaia , Dai Ngo , Tom Talpey Cc: , Rick Macklem Subject: [PATCH v2 04/12] NFSD: Add nfsd4_encode_fattr4_acl_trueform_scope Date: Sun, 4 Jan 2026 11:10:14 -0500 Message-ID: <20260104161019.3404489-5-cel@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260104161019.3404489-1-cel@kernel.org> References: <20260104161019.3404489-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rick Macklem The FATTR4_ACL_TRUEFORM_SCOPE attribute indicates the granularity at which the ACL model can vary: per file object, per file system, or uniformly across the entire server. In Linux, the ACL model is determined by the SB_POSIXACL superblock flag, which applies uniformly to all files within a file system. Different exported file systems can have different ACL models, but individual files cannot differ from their containing file system. ACL_SCOPE_FILE_SYSTEM accurately reflects this behavior. Signed-off-by: Rick Macklem Signed-off-by: Chuck Lever --- fs/nfsd/nfs4xdr.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 9b47cf17ddde..63295cff23ed 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3484,6 +3484,14 @@ static __be32 nfsd4_encode_fattr4_acl_trueform(struct xdr_stream *xdr, return nfs_ok; } +static __be32 nfsd4_encode_fattr4_acl_trueform_scope(struct xdr_stream *xdr, + const struct nfsd4_fattr_args *args) +{ + if (!xdrgen_encode_aclscope4(xdr, ACL_SCOPE_FILE_SYSTEM)) + return nfserr_resource; + return nfs_ok; +} + #endif /* CONFIG_NFSD_V4_POSIX_ACLS */ static const nfsd4_enc_attr nfsd4_enc_fattr4_encode_ops[] = { @@ -3596,8 +3604,10 @@ static const nfsd4_enc_attr nfsd4_enc_fattr4_encode_ops[] = { #ifdef CONFIG_NFSD_V4_POSIX_ACLS [FATTR4_ACL_TRUEFORM] = nfsd4_encode_fattr4_acl_trueform, + [FATTR4_ACL_TRUEFORM_SCOPE] = nfsd4_encode_fattr4_acl_trueform_scope, #else [FATTR4_ACL_TRUEFORM] = nfsd4_encode_fattr4__noop, + [FATTR4_ACL_TRUEFORM_SCOPE] = nfsd4_encode_fattr4__noop, #endif }; -- 2.52.0