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266 lines
8.1 KiB
C
266 lines
8.1 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsv2.h 8.1 (Berkeley) 6/10/93
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* $Id: nfsv2.h,v 1.3 1994/08/18 22:35:37 wollman Exp $
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*/
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#ifndef _NFS_NFSV2_H_
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#define _NFS_NFSV2_H_
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/*
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* nfs definitions as per the version 2 specs
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*/
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/*
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* Constants as defined in the Sun NFS Version 2 spec.
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* "NFS: Network File System Protocol Specification" RFC1094
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*/
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#define NFS_PORT 2049
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#define NFS_PROG 100003
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#define NFS_VER2 2
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#define NFS_MAXDGRAMDATA 8192
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#define NFS_MAXDATA 32768
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#define NFS_MAXPATHLEN 1024
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#define NFS_MAXNAMLEN 255
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#define NFS_FHSIZE 32
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#define NFS_MAXPKTHDR 404
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#define NFS_MAXPACKET (NFS_MAXPKTHDR+NFS_MAXDATA)
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#define NFS_MINPACKET 20
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#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
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/* Stat numbers for rpc returns */
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#define NFS_OK 0
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#define NFSERR_PERM 1
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#define NFSERR_NOENT 2
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#define NFSERR_IO 5
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#define NFSERR_NXIO 6
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#define NFSERR_ACCES 13
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#define NFSERR_EXIST 17
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#define NFSERR_NODEV 19
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#define NFSERR_NOTDIR 20
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#define NFSERR_ISDIR 21
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#define NFSERR_FBIG 27
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#define NFSERR_NOSPC 28
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#define NFSERR_ROFS 30
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#define NFSERR_NAMETOL 63
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#define NFSERR_NOTEMPTY 66
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#define NFSERR_DQUOT 69
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#define NFSERR_STALE 70
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#define NFSERR_WFLUSH 99
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/* Sizes in bytes of various nfs rpc components */
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#define NFSX_FH 32
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#define NFSX_UNSIGNED 4
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#define NFSX_NFSFATTR 68
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#define NFSX_NQFATTR 92
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#define NFSX_NFSSATTR 32
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#define NFSX_NQSATTR 44
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#define NFSX_COOKIE 4
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#define NFSX_NFSSTATFS 20
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#define NFSX_NQSTATFS 28
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#define NFSX_FATTR(isnq) ((isnq) ? NFSX_NQFATTR : NFSX_NFSFATTR)
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#define NFSX_SATTR(isnq) ((isnq) ? NFSX_NQSATTR : NFSX_NFSSATTR)
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#define NFSX_STATFS(isnq) ((isnq) ? NFSX_NQSTATFS : NFSX_NFSSTATFS)
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/* nfs rpc procedure numbers */
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#define NFSPROC_NULL 0
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#define NFSPROC_GETATTR 1
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#define NFSPROC_SETATTR 2
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#define NFSPROC_NOOP 3
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#define NFSPROC_ROOT NFSPROC_NOOP /* Obsolete */
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#define NFSPROC_LOOKUP 4
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#define NFSPROC_READLINK 5
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#define NFSPROC_READ 6
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#define NFSPROC_WRITECACHE NFSPROC_NOOP /* Obsolete */
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#define NFSPROC_WRITE 8
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#define NFSPROC_CREATE 9
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#define NFSPROC_REMOVE 10
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#define NFSPROC_RENAME 11
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#define NFSPROC_LINK 12
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#define NFSPROC_SYMLINK 13
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#define NFSPROC_MKDIR 14
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#define NFSPROC_RMDIR 15
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#define NFSPROC_READDIR 16
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#define NFSPROC_STATFS 17
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/* NQ nfs numbers */
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#define NQNFSPROC_READDIRLOOK 18
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#define NQNFSPROC_GETLEASE 19
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#define NQNFSPROC_VACATED 20
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#define NQNFSPROC_EVICTED 21
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#define NQNFSPROC_ACCESS 22
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#define NFS_NPROCS 23
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/* Conversion macros */
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#define vtonfs_mode(t,m) \
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txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
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MAKEIMODE((t), (m)))
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#define nfstov_mode(a) (fxdr_unsigned(u_short, (a))&07777)
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#define vtonfs_type(a) txdr_unsigned(nfs_type[((long)(a))])
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#define nfstov_type(a) ntov_type[fxdr_unsigned(u_long,(a))&0x7]
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/* File types */
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typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype;
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/* Structs for common parts of the rpc's */
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struct nfsv2_time {
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u_long nfs_sec;
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u_long nfs_usec;
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};
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struct nqnfs_time {
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u_long nq_sec;
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u_long nq_nsec;
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};
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/*
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* File attributes and setable attributes. These structures cover both
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* NFS version 2 and the NQNFS protocol. Note that the union is only
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* used to that one pointer can refer to both variants. These structures
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* go out on the wire and must be densely packed, so no quad data types
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* are used. (all fields are longs or u_longs or structures of same)
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* NB: You can't do sizeof(struct nfsv2_fattr), you must use the
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* NFSX_FATTR(isnq) macro.
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*/
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struct nfsv2_fattr {
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u_long fa_type;
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u_long fa_mode;
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u_long fa_nlink;
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u_long fa_uid;
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u_long fa_gid;
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union {
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struct {
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u_long nfsfa_size;
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u_long nfsfa_blocksize;
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u_long nfsfa_rdev;
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u_long nfsfa_blocks;
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u_long nfsfa_fsid;
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u_long nfsfa_fileid;
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struct nfsv2_time nfsfa_atime;
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struct nfsv2_time nfsfa_mtime;
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struct nfsv2_time nfsfa_ctime;
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} fa_nfsv2;
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struct {
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struct {
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u_long nqfa_qsize[2];
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} nqfa_size;
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u_long nqfa_blocksize;
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u_long nqfa_rdev;
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struct {
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u_long nqfa_qbytes[2];
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} nqfa_bytes;
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u_long nqfa_fsid;
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u_long nqfa_fileid;
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struct nqnfs_time nqfa_atime;
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struct nqnfs_time nqfa_mtime;
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struct nqnfs_time nqfa_ctime;
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u_long nqfa_flags;
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u_long nqfa_gen;
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struct {
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u_long nqfa_qfilerev[2];
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} nqfa_filerev;
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} fa_nqnfs;
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} fa_un;
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};
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/* and some ugly defines for accessing union components */
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#define fa_nfssize fa_un.fa_nfsv2.nfsfa_size
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#define fa_nfsblocksize fa_un.fa_nfsv2.nfsfa_blocksize
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#define fa_nfsrdev fa_un.fa_nfsv2.nfsfa_rdev
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#define fa_nfsblocks fa_un.fa_nfsv2.nfsfa_blocks
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#define fa_nfsfsid fa_un.fa_nfsv2.nfsfa_fsid
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#define fa_nfsfileid fa_un.fa_nfsv2.nfsfa_fileid
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#define fa_nfsatime fa_un.fa_nfsv2.nfsfa_atime
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#define fa_nfsmtime fa_un.fa_nfsv2.nfsfa_mtime
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#define fa_nfsctime fa_un.fa_nfsv2.nfsfa_ctime
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#define fa_nqsize fa_un.fa_nqnfs.nqfa_size
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#define fa_nqblocksize fa_un.fa_nqnfs.nqfa_blocksize
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#define fa_nqrdev fa_un.fa_nqnfs.nqfa_rdev
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#define fa_nqbytes fa_un.fa_nqnfs.nqfa_bytes
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#define fa_nqfsid fa_un.fa_nqnfs.nqfa_fsid
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#define fa_nqfileid fa_un.fa_nqnfs.nqfa_fileid
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#define fa_nqatime fa_un.fa_nqnfs.nqfa_atime
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#define fa_nqmtime fa_un.fa_nqnfs.nqfa_mtime
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#define fa_nqctime fa_un.fa_nqnfs.nqfa_ctime
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#define fa_nqflags fa_un.fa_nqnfs.nqfa_flags
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#define fa_nqgen fa_un.fa_nqnfs.nqfa_gen
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#define fa_nqfilerev fa_un.fa_nqnfs.nqfa_filerev
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struct nfsv2_sattr {
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u_long sa_mode;
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u_long sa_uid;
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u_long sa_gid;
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union {
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struct {
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u_long nfssa_size;
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struct nfsv2_time nfssa_atime;
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struct nfsv2_time nfssa_mtime;
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} sa_nfsv2;
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struct {
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struct {
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u_long nqsa_qsize[2];
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} nqsa_size;
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struct nqnfs_time nqsa_atime;
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struct nqnfs_time nqsa_mtime;
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u_long nqsa_flags;
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u_long nqsa_rdev;
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} sa_nqnfs;
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} sa_un;
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};
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/* and some ugly defines for accessing the unions */
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#define sa_nfssize sa_un.sa_nfsv2.nfssa_size
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#define sa_nfsatime sa_un.sa_nfsv2.nfssa_atime
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#define sa_nfsmtime sa_un.sa_nfsv2.nfssa_mtime
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#define sa_nqsize sa_un.sa_nqnfs.nqsa_size
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#define sa_nqatime sa_un.sa_nqnfs.nqsa_atime
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#define sa_nqmtime sa_un.sa_nqnfs.nqsa_mtime
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#define sa_nqflags sa_un.sa_nqnfs.nqsa_flags
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#define sa_nqrdev sa_un.sa_nqnfs.nqsa_rdev
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struct nfsv2_statfs {
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u_long sf_tsize;
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u_long sf_bsize;
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u_long sf_blocks;
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u_long sf_bfree;
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u_long sf_bavail;
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u_long sf_files; /* Nqnfs only */
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u_long sf_ffree; /* ditto */
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};
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#endif
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