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      1 /*
      2  * NFS protocol definitions
      3  *
      4  * This file contains constants for Version 2 of the protocol.
      5  */
      6 #ifndef _LINUX_NFS2_H
      7 #define _LINUX_NFS2_H
      8 
      9 #define NFS2_PORT	2049
     10 #define NFS2_MAXDATA	8192
     11 #define NFS2_MAXPATHLEN	1024
     12 #define NFS2_MAXNAMLEN	255
     13 #define NFS2_MAXGROUPS	16
     14 #define NFS2_FHSIZE	32
     15 #define NFS2_COOKIESIZE	4
     16 #define NFS2_FIFO_DEV	(-1)
     17 #define NFS2MODE_FMT	0170000
     18 #define NFS2MODE_DIR	0040000
     19 #define NFS2MODE_CHR	0020000
     20 #define NFS2MODE_BLK	0060000
     21 #define NFS2MODE_REG	0100000
     22 #define NFS2MODE_LNK	0120000
     23 #define NFS2MODE_SOCK	0140000
     24 #define NFS2MODE_FIFO	0010000
     25 
     26 
     27 /* NFSv2 file types - beware, these are not the same in NFSv3 */
     28 enum nfs2_ftype {
     29 	NF2NON = 0,
     30 	NF2REG = 1,
     31 	NF2DIR = 2,
     32 	NF2BLK = 3,
     33 	NF2CHR = 4,
     34 	NF2LNK = 5,
     35 	NF2SOCK = 6,
     36 	NF2BAD = 7,
     37 	NF2FIFO = 8
     38 };
     39 
     40 struct nfs2_fh {
     41 	char			data[NFS2_FHSIZE];
     42 };
     43 
     44 /*
     45  * Procedure numbers for NFSv2
     46  */
     47 #define NFS2_VERSION		2
     48 #define NFSPROC_NULL		0
     49 #define NFSPROC_GETATTR		1
     50 #define NFSPROC_SETATTR		2
     51 #define NFSPROC_ROOT		3
     52 #define NFSPROC_LOOKUP		4
     53 #define NFSPROC_READLINK	5
     54 #define NFSPROC_READ		6
     55 #define NFSPROC_WRITECACHE	7
     56 #define NFSPROC_WRITE		8
     57 #define NFSPROC_CREATE		9
     58 #define NFSPROC_REMOVE		10
     59 #define NFSPROC_RENAME		11
     60 #define NFSPROC_LINK		12
     61 #define NFSPROC_SYMLINK		13
     62 #define NFSPROC_MKDIR		14
     63 #define NFSPROC_RMDIR		15
     64 #define NFSPROC_READDIR		16
     65 #define NFSPROC_STATFS		17
     66 
     67 #endif /* _LINUX_NFS2_H */
     68