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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * NFS protocol definitions4 *5 * This file contains constants for Version 2 of the protocol.6 */7#ifndef _LINUX_NFS2_H8#define _LINUX_NFS2_H9 10#define NFS2_PORT 204911#define NFS2_MAXDATA 819212#define NFS2_MAXPATHLEN 102413#define NFS2_MAXNAMLEN 25514#define NFS2_MAXGROUPS 1615#define NFS2_FHSIZE 3216#define NFS2_COOKIESIZE 417#define NFS2_FIFO_DEV (-1)18#define NFS2MODE_FMT 017000019#define NFS2MODE_DIR 004000020#define NFS2MODE_CHR 002000021#define NFS2MODE_BLK 006000022#define NFS2MODE_REG 010000023#define NFS2MODE_LNK 012000024#define NFS2MODE_SOCK 014000025#define NFS2MODE_FIFO 001000026 27 28/* NFSv2 file types - beware, these are not the same in NFSv3 */29enum nfs2_ftype {30 NF2NON = 0,31 NF2REG = 1,32 NF2DIR = 2,33 NF2BLK = 3,34 NF2CHR = 4,35 NF2LNK = 5,36 NF2SOCK = 6,37 NF2BAD = 7,38 NF2FIFO = 839};40 41struct nfs2_fh {42 char data[NFS2_FHSIZE];43};44 45/*46 * Procedure numbers for NFSv247 */48#define NFS2_VERSION 249#define NFSPROC_NULL 050#define NFSPROC_GETATTR 151#define NFSPROC_SETATTR 252#define NFSPROC_ROOT 353#define NFSPROC_LOOKUP 454#define NFSPROC_READLINK 555#define NFSPROC_READ 656#define NFSPROC_WRITECACHE 757#define NFSPROC_WRITE 858#define NFSPROC_CREATE 959#define NFSPROC_REMOVE 1060#define NFSPROC_RENAME 1161#define NFSPROC_LINK 1262#define NFSPROC_SYMLINK 1363#define NFSPROC_MKDIR 1464#define NFSPROC_RMDIR 1565#define NFSPROC_READDIR 1666#define NFSPROC_STATFS 1767 68#endif /* _LINUX_NFS2_H */69