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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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496400014f
We're returning NFS4_FH_NOEXPIRE_WITH_OPEN | NFS4_FH_VOL_RENAME for the fh_expire_type attribute. This is incorrect: 1. The spec actually only allows NOEXPIRE_WITH_OPEN when VOLATILE_ANY is also set. 2. Filehandles for open files can expire, if the file is removed and there is a reboot. 3. Filehandles are only volatile on rename in the nosubtree check case. Unfortunately, there's no way to indicate that we only expire on remove. So our only choice is FH4_VOLATILE_ANY. Although it's redundant, we also set FH4_VOL_RENAME in the subtree check case, since subtreecheck does actually cause problems in practice and it seems possibly useful to give clients some way to distinguish that case. Fix a mispelled #define while we're at it. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
397 lines
11 KiB
C
397 lines
11 KiB
C
/*
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* include/linux/nfs4.h
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*
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* NFSv4 protocol definitions.
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*
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* Copyright (c) 2002 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Kendrick Smith <kmsmith@umich.edu>
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* Andy Adamson <andros@umich.edu>
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*/
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#ifndef _LINUX_NFS4_H
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#define _LINUX_NFS4_H
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#include <linux/types.h>
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#include <linux/list.h>
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#define NFS4_VERIFIER_SIZE 8
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#define NFS4_FHSIZE 128
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#define NFS4_MAXPATHLEN PATH_MAX
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#define NFS4_MAXNAMLEN NAME_MAX
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#define NFS4_ACCESS_READ 0x0001
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#define NFS4_ACCESS_LOOKUP 0x0002
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#define NFS4_ACCESS_MODIFY 0x0004
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#define NFS4_ACCESS_EXTEND 0x0008
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#define NFS4_ACCESS_DELETE 0x0010
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#define NFS4_ACCESS_EXECUTE 0x0020
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#define NFS4_FH_PERSISTENT 0x0000
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#define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001
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#define NFS4_FH_VOLATILE_ANY 0x0002
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#define NFS4_FH_VOL_MIGRATION 0x0004
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#define NFS4_FH_VOL_RENAME 0x0008
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#define NFS4_OPEN_RESULT_CONFIRM 0x0002
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#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
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#define NFS4_SHARE_ACCESS_READ 0x0001
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#define NFS4_SHARE_ACCESS_WRITE 0x0002
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#define NFS4_SHARE_ACCESS_BOTH 0x0003
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#define NFS4_SHARE_DENY_READ 0x0001
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#define NFS4_SHARE_DENY_WRITE 0x0002
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#define NFS4_SHARE_DENY_BOTH 0x0003
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#define NFS4_SET_TO_SERVER_TIME 0
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#define NFS4_SET_TO_CLIENT_TIME 1
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#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
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#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
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#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
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#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
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#define ACL4_SUPPORT_ALLOW_ACL 0x01
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#define ACL4_SUPPORT_DENY_ACL 0x02
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#define ACL4_SUPPORT_AUDIT_ACL 0x04
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#define ACL4_SUPPORT_ALARM_ACL 0x08
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#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
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#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
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#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
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#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
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#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
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#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
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#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
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#define NFS4_ACE_OWNER 0x00000080
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#define NFS4_ACE_GROUP 0x00000100
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#define NFS4_ACE_EVERYONE 0x00000200
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#define NFS4_ACE_READ_DATA 0x00000001
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#define NFS4_ACE_LIST_DIRECTORY 0x00000001
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#define NFS4_ACE_WRITE_DATA 0x00000002
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#define NFS4_ACE_ADD_FILE 0x00000002
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#define NFS4_ACE_APPEND_DATA 0x00000004
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#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
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#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
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#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
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#define NFS4_ACE_EXECUTE 0x00000020
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#define NFS4_ACE_DELETE_CHILD 0x00000040
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#define NFS4_ACE_READ_ATTRIBUTES 0x00000080
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#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
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#define NFS4_ACE_DELETE 0x00010000
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#define NFS4_ACE_READ_ACL 0x00020000
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#define NFS4_ACE_WRITE_ACL 0x00040000
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#define NFS4_ACE_WRITE_OWNER 0x00080000
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#define NFS4_ACE_SYNCHRONIZE 0x00100000
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#define NFS4_ACE_GENERIC_READ 0x00120081
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#define NFS4_ACE_GENERIC_WRITE 0x00160106
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#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
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#define NFS4_ACE_MASK_ALL 0x001F01FF
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enum nfs4_acl_whotype {
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NFS4_ACL_WHO_NAMED = 0,
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NFS4_ACL_WHO_OWNER,
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NFS4_ACL_WHO_GROUP,
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NFS4_ACL_WHO_EVERYONE,
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};
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struct nfs4_ace {
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uint32_t type;
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uint32_t flag;
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uint32_t access_mask;
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int whotype;
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uid_t who;
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struct list_head l_ace;
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};
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struct nfs4_acl {
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uint32_t naces;
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struct list_head ace_head;
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};
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typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
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typedef struct { char data[16]; } nfs4_stateid;
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enum nfs_opnum4 {
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OP_ACCESS = 3,
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OP_CLOSE = 4,
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OP_COMMIT = 5,
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OP_CREATE = 6,
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OP_DELEGPURGE = 7,
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OP_DELEGRETURN = 8,
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OP_GETATTR = 9,
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OP_GETFH = 10,
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OP_LINK = 11,
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OP_LOCK = 12,
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OP_LOCKT = 13,
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OP_LOCKU = 14,
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OP_LOOKUP = 15,
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OP_LOOKUPP = 16,
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OP_NVERIFY = 17,
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OP_OPEN = 18,
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OP_OPENATTR = 19,
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OP_OPEN_CONFIRM = 20,
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OP_OPEN_DOWNGRADE = 21,
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OP_PUTFH = 22,
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OP_PUTPUBFH = 23,
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OP_PUTROOTFH = 24,
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OP_READ = 25,
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OP_READDIR = 26,
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OP_READLINK = 27,
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OP_REMOVE = 28,
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OP_RENAME = 29,
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OP_RENEW = 30,
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OP_RESTOREFH = 31,
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OP_SAVEFH = 32,
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OP_SECINFO = 33,
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OP_SETATTR = 34,
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OP_SETCLIENTID = 35,
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OP_SETCLIENTID_CONFIRM = 36,
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OP_VERIFY = 37,
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OP_WRITE = 38,
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OP_RELEASE_LOCKOWNER = 39,
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OP_ILLEGAL = 10044,
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};
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enum nfsstat4 {
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NFS4_OK = 0,
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NFS4ERR_PERM = 1,
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NFS4ERR_NOENT = 2,
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NFS4ERR_IO = 5,
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NFS4ERR_NXIO = 6,
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NFS4ERR_ACCESS = 13,
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NFS4ERR_EXIST = 17,
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NFS4ERR_XDEV = 18,
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/* Unused/reserved 19 */
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NFS4ERR_NOTDIR = 20,
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NFS4ERR_ISDIR = 21,
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NFS4ERR_INVAL = 22,
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NFS4ERR_FBIG = 27,
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NFS4ERR_NOSPC = 28,
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NFS4ERR_ROFS = 30,
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NFS4ERR_MLINK = 31,
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NFS4ERR_NAMETOOLONG = 63,
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NFS4ERR_NOTEMPTY = 66,
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NFS4ERR_DQUOT = 69,
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NFS4ERR_STALE = 70,
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NFS4ERR_BADHANDLE = 10001,
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NFS4ERR_BAD_COOKIE = 10003,
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NFS4ERR_NOTSUPP = 10004,
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NFS4ERR_TOOSMALL = 10005,
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NFS4ERR_SERVERFAULT = 10006,
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NFS4ERR_BADTYPE = 10007,
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NFS4ERR_DELAY = 10008,
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NFS4ERR_SAME = 10009,
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NFS4ERR_DENIED = 10010,
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NFS4ERR_EXPIRED = 10011,
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NFS4ERR_LOCKED = 10012,
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NFS4ERR_GRACE = 10013,
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NFS4ERR_FHEXPIRED = 10014,
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NFS4ERR_SHARE_DENIED = 10015,
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NFS4ERR_WRONGSEC = 10016,
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NFS4ERR_CLID_INUSE = 10017,
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NFS4ERR_RESOURCE = 10018,
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NFS4ERR_MOVED = 10019,
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NFS4ERR_NOFILEHANDLE = 10020,
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NFS4ERR_MINOR_VERS_MISMATCH = 10021,
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NFS4ERR_STALE_CLIENTID = 10022,
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NFS4ERR_STALE_STATEID = 10023,
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NFS4ERR_OLD_STATEID = 10024,
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NFS4ERR_BAD_STATEID = 10025,
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NFS4ERR_BAD_SEQID = 10026,
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NFS4ERR_NOT_SAME = 10027,
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NFS4ERR_LOCK_RANGE = 10028,
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NFS4ERR_SYMLINK = 10029,
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NFS4ERR_RESTOREFH = 10030,
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NFS4ERR_LEASE_MOVED = 10031,
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NFS4ERR_ATTRNOTSUPP = 10032,
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NFS4ERR_NO_GRACE = 10033,
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NFS4ERR_RECLAIM_BAD = 10034,
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NFS4ERR_RECLAIM_CONFLICT = 10035,
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NFS4ERR_BADXDR = 10036,
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NFS4ERR_LOCKS_HELD = 10037,
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NFS4ERR_OPENMODE = 10038,
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NFS4ERR_BADOWNER = 10039,
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NFS4ERR_BADCHAR = 10040,
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NFS4ERR_BADNAME = 10041,
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NFS4ERR_BAD_RANGE = 10042,
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NFS4ERR_LOCK_NOTSUPP = 10043,
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NFS4ERR_OP_ILLEGAL = 10044,
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NFS4ERR_DEADLOCK = 10045,
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NFS4ERR_FILE_OPEN = 10046,
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NFS4ERR_ADMIN_REVOKED = 10047,
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NFS4ERR_CB_PATH_DOWN = 10048
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};
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/*
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* Note: NF4BAD is not actually part of the protocol; it is just used
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* internally by nfsd.
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*/
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enum nfs_ftype4 {
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NF4BAD = 0,
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NF4REG = 1, /* Regular File */
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NF4DIR = 2, /* Directory */
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NF4BLK = 3, /* Special File - block device */
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NF4CHR = 4, /* Special File - character device */
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NF4LNK = 5, /* Symbolic Link */
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NF4SOCK = 6, /* Special File - socket */
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NF4FIFO = 7, /* Special File - fifo */
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NF4ATTRDIR = 8, /* Attribute Directory */
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NF4NAMEDATTR = 9 /* Named Attribute */
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};
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enum open_claim_type4 {
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NFS4_OPEN_CLAIM_NULL = 0,
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NFS4_OPEN_CLAIM_PREVIOUS = 1,
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NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
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NFS4_OPEN_CLAIM_DELEGATE_PREV = 3
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};
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enum opentype4 {
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NFS4_OPEN_NOCREATE = 0,
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NFS4_OPEN_CREATE = 1
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};
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enum createmode4 {
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NFS4_CREATE_UNCHECKED = 0,
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NFS4_CREATE_GUARDED = 1,
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NFS4_CREATE_EXCLUSIVE = 2
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};
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enum limit_by4 {
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NFS4_LIMIT_SIZE = 1,
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NFS4_LIMIT_BLOCKS = 2
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};
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enum open_delegation_type4 {
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NFS4_OPEN_DELEGATE_NONE = 0,
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NFS4_OPEN_DELEGATE_READ = 1,
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NFS4_OPEN_DELEGATE_WRITE = 2
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};
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enum lock_type4 {
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NFS4_UNLOCK_LT = 0,
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NFS4_READ_LT = 1,
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NFS4_WRITE_LT = 2,
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NFS4_READW_LT = 3,
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NFS4_WRITEW_LT = 4
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};
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/* Mandatory Attributes */
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#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
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#define FATTR4_WORD0_TYPE (1UL << 1)
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#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
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#define FATTR4_WORD0_CHANGE (1UL << 3)
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#define FATTR4_WORD0_SIZE (1UL << 4)
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#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
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#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
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#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
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#define FATTR4_WORD0_FSID (1UL << 8)
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#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
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#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
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#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
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/* Recommended Attributes */
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#define FATTR4_WORD0_ACL (1UL << 12)
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#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
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#define FATTR4_WORD0_ARCHIVE (1UL << 14)
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#define FATTR4_WORD0_CANSETTIME (1UL << 15)
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#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
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#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
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#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
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#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
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#define FATTR4_WORD0_FILEID (1UL << 20)
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#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
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#define FATTR4_WORD0_FILES_FREE (1UL << 22)
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#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
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#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
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#define FATTR4_WORD0_HIDDEN (1UL << 25)
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#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
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#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
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#define FATTR4_WORD0_MAXLINK (1UL << 28)
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#define FATTR4_WORD0_MAXNAME (1UL << 29)
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#define FATTR4_WORD0_MAXREAD (1UL << 30)
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#define FATTR4_WORD0_MAXWRITE (1UL << 31)
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#define FATTR4_WORD1_MIMETYPE (1UL << 0)
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#define FATTR4_WORD1_MODE (1UL << 1)
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#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
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#define FATTR4_WORD1_NUMLINKS (1UL << 3)
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#define FATTR4_WORD1_OWNER (1UL << 4)
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#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
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#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
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#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
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#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
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#define FATTR4_WORD1_RAWDEV (1UL << 9)
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#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
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#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
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#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
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#define FATTR4_WORD1_SPACE_USED (1UL << 13)
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#define FATTR4_WORD1_SYSTEM (1UL << 14)
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#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
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#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
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#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
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#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
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#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
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#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
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#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
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#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
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#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
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#define NFSPROC4_NULL 0
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#define NFSPROC4_COMPOUND 1
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#define NFS4_MINOR_VERSION 0
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#define NFS4_DEBUG 1
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#ifdef __KERNEL__
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/* Index of predefined Linux client operations */
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enum {
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NFSPROC4_CLNT_NULL = 0, /* Unused */
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NFSPROC4_CLNT_READ,
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NFSPROC4_CLNT_WRITE,
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NFSPROC4_CLNT_COMMIT,
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NFSPROC4_CLNT_OPEN,
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NFSPROC4_CLNT_OPEN_CONFIRM,
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NFSPROC4_CLNT_OPEN_NOATTR,
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NFSPROC4_CLNT_OPEN_DOWNGRADE,
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NFSPROC4_CLNT_CLOSE,
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NFSPROC4_CLNT_SETATTR,
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NFSPROC4_CLNT_FSINFO,
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NFSPROC4_CLNT_RENEW,
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NFSPROC4_CLNT_SETCLIENTID,
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NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
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NFSPROC4_CLNT_LOCK,
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NFSPROC4_CLNT_LOCKT,
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NFSPROC4_CLNT_LOCKU,
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NFSPROC4_CLNT_ACCESS,
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NFSPROC4_CLNT_GETATTR,
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NFSPROC4_CLNT_LOOKUP,
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NFSPROC4_CLNT_LOOKUP_ROOT,
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NFSPROC4_CLNT_REMOVE,
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NFSPROC4_CLNT_RENAME,
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NFSPROC4_CLNT_LINK,
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NFSPROC4_CLNT_SYMLINK,
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NFSPROC4_CLNT_CREATE,
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NFSPROC4_CLNT_PATHCONF,
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NFSPROC4_CLNT_STATFS,
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NFSPROC4_CLNT_READLINK,
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NFSPROC4_CLNT_READDIR,
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NFSPROC4_CLNT_SERVER_CAPS,
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NFSPROC4_CLNT_DELEGRETURN,
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NFSPROC4_CLNT_GETACL,
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NFSPROC4_CLNT_SETACL,
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};
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#endif
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#endif
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/*
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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