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 69F972EFD86 for ; Tue, 6 Jan 2026 12:27:00 +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=1767702420; cv=none; b=qJmSdpzxS0vdpEymh0+lDXIsehCtqoI30dYwcVPZ1LYDf2fai7b+RcuXdiNkLBl9zCnfXSB+Z4MTCEhZh9ZQsmO2kcwb/LPRknO7YOMr39RRsHeTfDYj7DLNSL5l+5S/MfhdDUrwN8gWggQNSxX6eirOJQSPsCFiaJoZsP1RKI8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767702420; c=relaxed/simple; bh=VEPxrV9XYFNCh1PCqyzulyWzITwiXps4ebQjAJ6mJRU=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=B/DdoKiqIzKvoqHQERvinItwTYAv+GsgPsqt9Fy0UNAYYRFZWdsp9ig5rsPWX1MR5wGyUyGt1DqxBsYruf5hf7gyl7O3NByUBHD6SVbTQqw2t5+LH6T764AG4uahX4FsBgTiRu2s9m7obK5+voxzl0+sWj7Nx6n+iGY8mLWs7nE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IFRTcRTa; 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="IFRTcRTa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56334C116C6; Tue, 6 Jan 2026 12:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767702420; bh=VEPxrV9XYFNCh1PCqyzulyWzITwiXps4ebQjAJ6mJRU=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=IFRTcRTalXXAr37IHwxOTCBg4VbT6H5lPCOGY0V2F2D3DzxsU1kGhvTG4qwqRq+SZ yN1piW38YtYTzBiwTO4XcR8jiPDUxKiEtJEgPFllJOb0f8sPOi1OCF3j9ImzYOQa4h V0mg80Lh4qq8IMCgxzm/BmJ/AG5njVHNiGx3j1VHwtKF7xilXKs8xqUCIzrk7RvA6i VdsF388FkaYTmPlb+TRwpMGfyo+wD9TuN2p/pU1w9amxufDYF8GIaEnTgFwu1xN9VD l1XVAmmfhYqFmxq82WHs5FfEaeuV8MsDZuTDkbLB/KZS9ynYHaXIJBl5iIblfMqCXZ cJtXBL/99ms4Q== Message-ID: Subject: Re: [PATCH v2 00/12] Add NFSv4.2 POSIX ACL support From: Jeff Layton To: Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey Cc: linux-nfs@vger.kernel.org, Chuck Lever Date: Tue, 06 Jan 2026 07:26:58 -0500 In-Reply-To: <20260104161019.3404489-1-cel@kernel.org> References: <20260104161019.3404489-1-cel@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV 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Minor Version 2": >=20 > https://datatracker.ietf.org/doc/draft-ietf-nfsv4-posix-acls/ >=20 > defines an extension to NFSv4.2 that enables POSIX draft ACLs > to be retrieved and set directly, without the lossy > NFSv4->POSIX draft mapping algorithm. The extension adds four > new attributes to the protocol. >=20 > This patch series implements the server side of this extension > for knfsd. The mechanism is analogous to the NFS_ACL sideband > protocol used with NFSv2/3, enabling POSIX draft ACLs to be > manipulated directly by getfacl(1) and setfacl(1). >=20 > The current implementation does not support "per file" scope, > where individual file objects store either an NFSv4 ACL or a > POSIX draft ACL. Instead, the implementation assumes POSIX > draft ACLs apply to an entire file system when support for > POSIX draft ACLs is indicated. >=20 > Based on the nfsd-testing branch from: >=20 > https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git >=20 > Changes since v1: > - Fold the patches with fixes into the first 8 patches > - Ensure the series is bisect-able > - Add CONFIG_NFSD_V4_POSIX_ACLS -- this feature is experimental > - Set "SUPPATTR" bits only at the end of series > - Use xdrgen, where practical, instead of hand-coded XDR > - Refactor SETATTR/CREATE to integrate better with existing APIs >=20 >=20 > Chuck Lever (3): > NFSD: Add a Kconfig setting to enable support for NFSv4 POSIX ACLs > Add RPC language definition of NFSv4 POSIX ACL extension > NFSD: Add POSIX ACL file attributes to SUPPATTR bitmasks >=20 > Rick Macklem (9): > NFSD: Add nfsd4_encode_fattr4_acl_trueform > NFSD: Add nfsd4_encode_fattr4_acl_trueform_scope > NFSD: Add nfsd4_encode_fattr4_posix_default_acl > NFSD: Add nfsd4_encode_fattr4_posix_access_acl > NFSD: Do not allow NFSv4 (N)VERIFY to check POSIX ACL attributes > NFSD: Refactor nfsd_setattr()'s ACL error reporting > NFSD: Add support for XDR decoding POSIX draft ACLs > NFSD: Add support for POSIX draft ACLs for file creation > NFSD: Add POSIX draft ACL support to the NFSv4 SETATTR operation >=20 > Documentation/sunrpc/xdr/nfs4_1.x | 56 +++++ > fs/nfsd/Kconfig | 19 ++ > fs/nfsd/acl.h | 1 + > fs/nfsd/nfs4acl.c | 17 +- > fs/nfsd/nfs4proc.c | 96 ++++++-- > fs/nfsd/nfs4xdr.c | 356 ++++++++++++++++++++++++++- > fs/nfsd/nfs4xdr_gen.c | 167 ++++++++++++- > fs/nfsd/nfs4xdr_gen.h | 12 +- > fs/nfsd/nfsd.h | 17 +- > fs/nfsd/vfs.c | 34 ++- > fs/nfsd/vfs.h | 3 +- > fs/nfsd/xdr4.h | 6 + > include/linux/nfs4.h | 4 + > include/linux/sunrpc/xdrgen/nfs4_1.h | 73 +++++- > 14 files changed, 822 insertions(+), 39 deletions(-) This all looks pretty reasonable. Nice work! Reviewed-by: Jeff Layton