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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * coda_fs_i.h
3 *
4 * Copyright (C) 1998 Carnegie Mellon University
5 *
6 */
7
8#ifndef _LINUX_CODA_FS_I
9#define _LINUX_CODA_FS_I
10
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <linux/types.h>
12#include <linux/list.h>
13#include <linux/coda.h>
14
15/*
16 * coda fs inode data
17 */
18struct coda_inode_info {
19 struct CodaFid c_fid; /* Coda identifier */
20 u_short c_flags; /* flags (see below) */
21 struct list_head c_cilist; /* list of all coda inodes */
22 unsigned int c_mapcount; /* nr of times this inode is mapped */
23 unsigned int c_cached_epoch; /* epoch for cached permissions */
24 vuid_t c_uid; /* fsuid for cached permissions */
25 unsigned int c_cached_perm; /* cached access permissions */
26 struct inode vfs_inode;
27};
28
29/*
30 * coda fs file private data
31 */
32#define CODA_MAGIC 0xC0DAC0DA
33struct coda_file_info {
34 int cfi_magic; /* magic number */
35 struct file *cfi_container; /* container file for this cnode */
36 unsigned int cfi_mapcount; /* nr of times this file is mapped */
37};
38
39#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
40
41/* flags */
42#define C_VATTR 0x1 /* Validity of vattr in inode */
43#define C_FLUSH 0x2 /* used after a flush */
44#define C_DYING 0x4 /* from venus (which died) */
45#define C_PURGE 0x8
46
47int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
48struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
49int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
50struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
51void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
52
53#endif