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  */
19 struct coda_inode_info {
20         struct ViceFid     c_fid;	/* Coda identifier */
21         u_short	           c_flags;     /* flags (see below) */
22 	struct list_head   c_cilist;    /* list of all coda inodes */
23 	int		   c_mapcount;	/* how often is this inode mmapped */
24         struct coda_cred   c_cached_cred; /* credentials of cached perms */
25         unsigned int       c_cached_perm; /* cached access permissions */
26 };
27 
28 /*
29  * coda fs file private data
30  */
31 #define CODA_MAGIC 0xC0DAC0DA
32 struct coda_file_info {
33 	int		 cfi_magic;	/* magic number */
34 	int		 cfi_mapcount;  /* how often this file is mapped */
35 	struct file	*cfi_container;	/* container file for this cnode */
36 	struct coda_cred cfi_cred;	/* credentials of opener */
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 
47 int coda_cnode_make(struct inode **, struct ViceFid *, struct super_block *);
48 struct inode *coda_iget(struct super_block *sb, struct ViceFid *fid, struct coda_vattr *attr);
49 int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
50 struct inode *coda_fid_to_inode(ViceFid *fid, struct super_block *sb);
51 void coda_replace_fid(struct inode *, ViceFid *, ViceFid *);
52 
53 #endif
54 #endif
55