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1da177e4 LT |
1 | /* |
2 | * fs/bfs/bfs.h | |
3 | * Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com> | |
4 | */ | |
5 | #ifndef _FS_BFS_BFS_H | |
6 | #define _FS_BFS_BFS_H | |
7 | ||
8 | #include <linux/bfs_fs.h> | |
9 | ||
10 | /* | |
11 | * BFS file system in-core superblock info | |
12 | */ | |
13 | struct bfs_sb_info { | |
14 | unsigned long si_blocks; | |
15 | unsigned long si_freeb; | |
16 | unsigned long si_freei; | |
17 | unsigned long si_lf_ioff; | |
18 | unsigned long si_lf_sblk; | |
19 | unsigned long si_lf_eblk; | |
20 | unsigned long si_lasti; | |
21 | unsigned long * si_imap; | |
22 | struct buffer_head * si_sbh; /* buffer header w/superblock */ | |
23 | struct bfs_super_block * si_bfs_sb; /* superblock in si_sbh->b_data */ | |
24 | }; | |
25 | ||
26 | /* | |
27 | * BFS file system in-core inode info | |
28 | */ | |
29 | struct bfs_inode_info { | |
30 | unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */ | |
31 | unsigned long i_sblock; | |
32 | unsigned long i_eblock; | |
33 | struct inode vfs_inode; | |
34 | }; | |
35 | ||
36 | static inline struct bfs_sb_info *BFS_SB(struct super_block *sb) | |
37 | { | |
38 | return sb->s_fs_info; | |
39 | } | |
40 | ||
41 | static inline struct bfs_inode_info *BFS_I(struct inode *inode) | |
42 | { | |
43 | return list_entry(inode, struct bfs_inode_info, vfs_inode); | |
44 | } | |
45 | ||
46 | ||
47 | #define printf(format, args...) \ | |
48 | printk(KERN_ERR "BFS-fs: %s(): " format, __FUNCTION__, ## args) | |
49 | ||
50 | ||
51 | /* file.c */ | |
52 | extern struct inode_operations bfs_file_inops; | |
53 | extern struct file_operations bfs_file_operations; | |
54 | extern struct address_space_operations bfs_aops; | |
55 | ||
56 | /* dir.c */ | |
57 | extern struct inode_operations bfs_dir_inops; | |
58 | extern struct file_operations bfs_dir_operations; | |
59 | ||
60 | #endif /* _FS_BFS_BFS_H */ |