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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 | #include <linux/types.h> |
12 | #include <linux/list.h> |
13 | #include <linux/coda.h> |
14 | |
15 | /* |
16 | * coda fs inode data |
17 | */ |
18 | struct 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 |
33 | struct 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 | |
47 | int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *); |
48 | struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr); |
49 | int coda_cnode_makectl(struct inode **inode, struct super_block *sb); |
50 | struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb); |
51 | void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *); |
52 | |
53 | #endif |
54 |
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