Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 |