From patchwork Tue Jun 23 22:39:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank van der Linden X-Patchwork-Id: 11621981 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 514EA1392 for ; Tue, 23 Jun 2020 22:44:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 393B120888 for ; Tue, 23 Jun 2020 22:44:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="u65jS+Es" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388154AbgFWWoY (ORCPT ); Tue, 23 Jun 2020 18:44:24 -0400 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:57642 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387854AbgFWWoR (ORCPT ); Tue, 23 Jun 2020 18:44:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1592952257; x=1624488257; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=j1Hg3b1SaY8O1r6RWUjI0tTgIlQ3ROwZYX38HNamZk8=; b=u65jS+Es/Yz5vI50gqcLzz9MVHYruldXrI3qJKAXlLboAM/tHGWjeeuF kUNCMR3qCeGMuCGitbH8vACgMRr6oOxpWEO+cde0GhqvjjH8a9RP73jKl MSUd4uG984lEhTnXUMKpelu9CI0xuiS3+zIL0ytPdiSkuAPb4KPfc6Lxo 0=; IronPort-SDR: uohiUaXSSJSVMzy4EeqxCXNrdL1wyGT3TIo4lRh9U9uBVmka9vi5ng+j36/ZlsPoou6Wc7MTi+ d59rd1LLcW4g== X-IronPort-AV: E=Sophos;i="5.75,272,1589241600"; d="scan'208";a="46390848" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-2a-90c42d1d.us-west-2.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 23 Jun 2020 22:39:36 +0000 Received: from EX13MTAUWB001.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan3.pdx.amazon.com [10.170.41.166]) by email-inbound-relay-2a-90c42d1d.us-west-2.amazon.com (Postfix) with ESMTPS id 54767A1D43; Tue, 23 Jun 2020 22:39:34 +0000 (UTC) Received: from EX13D13UWB002.ant.amazon.com (10.43.161.21) by EX13MTAUWB001.ant.amazon.com (10.43.161.249) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 23 Jun 2020 22:39:28 +0000 Received: from EX13MTAUWC001.ant.amazon.com (10.43.162.135) by EX13D13UWB002.ant.amazon.com (10.43.161.21) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 23 Jun 2020 22:39:28 +0000 Received: from dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com (172.23.141.97) by mail-relay.amazon.com (10.43.162.232) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 23 Jun 2020 22:39:27 +0000 Received: by dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com (Postfix, from userid 6262777) id 0D4D0CD35D; Tue, 23 Jun 2020 22:39:28 +0000 (UTC) From: Frank van der Linden To: , , CC: Frank van der Linden Subject: [PATCH v3 03/10] nfs,nfsd: NFSv4.2 extended attribute protocol definitions Date: Tue, 23 Jun 2020 22:39:20 +0000 Message-ID: <20200623223927.31795-4-fllinden@amazon.com> X-Mailer: git-send-email 2.16.6 In-Reply-To: <20200623223927.31795-1-fllinden@amazon.com> References: <20200623223927.31795-1-fllinden@amazon.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Add definitions for the new operations, errors and flags as defined in RFC 8276 (File System Extended Attributes in NFSv4). Signed-off-by: Frank van der Linden --- include/linux/nfs4.h | 20 ++++++++++++++++++++ include/uapi/linux/nfs4.h | 3 +++ 2 files changed, 23 insertions(+) diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 4dba3c948932..e6ca9d1d2e76 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -150,6 +150,12 @@ enum nfs_opnum4 { OP_WRITE_SAME = 70, OP_CLONE = 71, + /* xattr support (RFC8726) */ + OP_GETXATTR = 72, + OP_SETXATTR = 73, + OP_LISTXATTRS = 74, + OP_REMOVEXATTR = 75, + OP_ILLEGAL = 10044, }; @@ -280,6 +286,10 @@ enum nfsstat4 { NFS4ERR_WRONG_LFS = 10092, NFS4ERR_BADLABEL = 10093, NFS4ERR_OFFLOAD_NO_REQS = 10094, + + /* xattr (RFC8276) */ + NFS4ERR_NOXATTR = 10095, + NFS4ERR_XATTR2BIG = 10096, }; static inline bool seqid_mutating_err(u32 err) @@ -452,6 +462,7 @@ enum change_attr_type4 { #define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) #define FATTR4_WORD2_MODE_UMASK (1UL << 17) +#define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18) /* MDS threshold bitmap bits */ #define THRESHOLD_RD (1UL << 0) @@ -700,4 +711,13 @@ struct nl4_server { struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ } u; }; + +/* + * Options for setxattr. These match the flags for setxattr(2). + */ +enum nfs4_setxattr_options { + SETXATTR4_EITHER = 0, + SETXATTR4_CREATE = 1, + SETXATTR4_REPLACE = 2, +}; #endif diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h index 8572930cf5b0..bf197e99b98f 100644 --- a/include/uapi/linux/nfs4.h +++ b/include/uapi/linux/nfs4.h @@ -33,6 +33,9 @@ #define NFS4_ACCESS_EXTEND 0x0008 #define NFS4_ACCESS_DELETE 0x0010 #define NFS4_ACCESS_EXECUTE 0x0020 +#define NFS4_ACCESS_XAREAD 0x0040 +#define NFS4_ACCESS_XAWRITE 0x0080 +#define NFS4_ACCESS_XALIST 0x0100 #define NFS4_FH_PERSISTENT 0x0000 #define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001