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 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
34 struct 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
48 int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
49 struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
50 int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
51 struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
52 void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
53
54 #endif
55 #endif
56
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