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authorFrank van der Linden <fllinden@amazon.com>2020-06-24 01:39:20 +0300
committerChuck Lever <chuck.lever@oracle.com>2020-07-14 00:20:49 +0300
commitc1326210477ecc06c53221f0005c64419aba30d6 (patch)
treeca24cdc4a93db9b7c153d39039ee3cdf51ced8f0 /include/linux/nfs4.h
parent11ba468877bb23f28956a35e896356252d63c983 (diff)
downloadlinux-c1326210477ecc06c53221f0005c64419aba30d6.tar.xz
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 <fllinden@amazon.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux/nfs4.h')
-rw-r--r--include/linux/nfs4.h20
1 files changed, 20 insertions, 0 deletions
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