From c1326210477ecc06c53221f0005c64419aba30d6 Mon Sep 17 00:00:00 2001 From: Frank van der Linden Date: Tue, 23 Jun 2020 22:39:20 +0000 Subject: nfs,nfsd: NFSv4.2 extended attribute protocol definitions 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 Signed-off-by: Chuck Lever --- include/linux/nfs4.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'include/linux/nfs4.h') 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 -- cgit v1.2.3