1 #define __u32 unsigned int
2 #define u32 unsigned int
3 #define __u16 unsigned short
4 #define u16 unsigned short
5 #define __u64 unsigned long long
6 #define u64 unsigned long long
7 #define __u8 unsigned char
8 #define u8 unsigned char
9 #define __s64 signed long long
11 struct nfs_fhbase_old {
12 __u32 fb_dcookie; /* dentry cookie - always 0xfeebbaca */
13 __u32 fb_ino; /* our inode number */
14 __u32 fb_dirino; /* dir inode number, 0 for directories */
15 __u32 fb_dev; /* our device */
22 * This is the new flexible, extensible style NFSv2/v3 file handle.
23 * by Neil Brown <neilb@cse.unsw.edu.au> - March 2000
25 * The file handle is seens as a list of 4byte words.
26 * The first word contains a version number (1) and four descriptor bytes
27 * that tell how the remaining 3 variable length fields should be handled.
28 * These three bytes are auth_type, fsid_type and fileid_type.
30 * All 4byte values are in host-byte-order.
32 * The auth_type field specifies how the filehandle can be authenticated
33 * This might allow a file to be confirmed to be in a writable part of a
34 * filetree without checking the path from it upto the root.
36 * 0 - No authentication. fb_auth is 0 bytes long
37 * Possible future values:
38 * 1 - 4 bytes taken from MD5 hash of the remainer of the file handle
39 * prefixed by a secret and with the important export flags.
41 * The fsid_type identifies how the filesystem (or export point) is
44 * 0 - 4 byte device id (ms-2-bytes major, ls-2-bytes minor), 4byte inode number
45 * NOTE: we cannot use the kdev_t device id value, because kdev_t.h
46 * says we mustn't. We must break it up and reassemble.
47 * Possible future encodings:
48 * 1 - 4 byte user specified identifier
50 * The fileid_type identified how the file within the filesystem is encoded.
51 * This is (will be) passed to, and set by, the underlying filesystem if it supports
52 * filehandle operations. The filesystem must not use the value '0' or '0xff' and may
53 * only use the values 1 and 2 as defined below:
55 * 0 - The root, or export point, of the filesystem. fb_fileid is 0 bytes.
56 * 1 - 32bit inode number, 32 bit generation number.
57 * 2 - 32bit inode number, 32 bit generation number, 32 bit parent directory inode number.
60 struct nfs_fhbase_new {
61 __u8 fb_version; /* == 1, even => nfs_fhbase_old */
67 /* __u32 fb_fsid[0]; floating */
68 /* __u32 fb_fileid[0]; floating */
80 // RFS struct knfsd_fh {
81 struct knfs_fh { // RFS
82 unsigned int fh_size; /* significant for NFSv3.
83 * Points to the current size while building
87 struct nfs_fhbase_old fh_old;
88 __u32 fh_pad[NFS3_FHSIZE/4];
89 struct nfs_fhbase_new fh_new;
93 #define ofh_dcookie fh_base.fh_old.fb_dcookie
94 #define ofh_ino fh_base.fh_old.fb_ino
95 #define ofh_dirino fh_base.fh_old.fb_dirino
96 #define ofh_dev fh_base.fh_old.fb_dev
97 #define ofh_xdev fh_base.fh_old.fb_xdev
98 #define ofh_xino fh_base.fh_old.fb_xino
99 #define ofh_generation fh_base.fh_old.fb_generation
101 #define fh_version fh_base.fh_new.fb_version
102 #define fh_fsid_type fh_base.fh_new.fb_fsid_type
103 #define fh_auth_type fh_base.fh_new.fb_auth_type
104 #define fh_fileid_type fh_base.fh_new.fb_fileid_type
105 #define fh_auth fh_base.fh_new.fb_auth
108 #define fh_dev_major fh_base.fh_new.fb_dev_major
109 #define fh_dev_minor fh_base.fh_new.fb_dev_minor
110 #define fh_dev_ino fh_base.fh_new.fb_dev_ino
111 #define fh_ino fh_base.fh_new.fb_ino
112 #define fh_generation fh_base.fh_new.fb_generation
113 #define fh_dirino fh_base.fh_new.fb_dirino