1/*
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
11#ifdef __KERNEL__
12#include <linux/types.h>
13#include <linux/list.h>
14#include <linux/coda.h>
15
16/*
17 * coda fs inode data
18 */
19struct coda_inode_info {
20        struct CodaFid	   c_fid;	/* Coda identifier */
21        u_short	           c_flags;     /* flags (see below) */
22	struct list_head   c_cilist;    /* list of all coda inodes */
23	unsigned int	   c_mapcount;  /* nr of times this inode is mapped */
24	unsigned int	   c_cached_epoch; /* epoch for cached permissions */
25	vuid_t		   c_uid;	/* fsuid for cached permissions */
26        unsigned int       c_cached_perm; /* cached access permissions */
27	struct inode	   vfs_inode;
28};
29
30/*
31 * coda fs file private data
32 */
33#define CODA_MAGIC 0xC0DAC0DA
34struct coda_file_info {
35	int		   cfi_magic;	  /* magic number */
36	struct file	  *cfi_container; /* container file for this cnode */
37	unsigned int	   cfi_mapcount;  /* nr of times this file is mapped */
38};
39
40#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
41
42/* flags */
43#define C_VATTR       0x1   /* Validity of vattr in inode */
44#define C_FLUSH       0x2   /* used after a flush */
45#define C_DYING       0x4   /* from venus (which died) */
46#define C_PURGE       0x8
47
48int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
49struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
50int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
51struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
52void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
53
54#endif
55#endif
56