xref: /openbmc/linux/fs/bfs/bfs.h (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
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 };
24 
25 /*
26  * BFS file system in-core inode info
27  */
28 struct bfs_inode_info {
29 	unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */
30 	unsigned long i_sblock;
31 	unsigned long i_eblock;
32 	struct inode vfs_inode;
33 };
34 
35 static inline struct bfs_sb_info *BFS_SB(struct super_block *sb)
36 {
37 	return sb->s_fs_info;
38 }
39 
40 static inline struct bfs_inode_info *BFS_I(struct inode *inode)
41 {
42 	return list_entry(inode, struct bfs_inode_info, vfs_inode);
43 }
44 
45 
46 #define printf(format, args...) \
47 	printk(KERN_ERR "BFS-fs: %s(): " format, __FUNCTION__, ## args)
48 
49 
50 /* file.c */
51 extern struct inode_operations bfs_file_inops;
52 extern struct file_operations bfs_file_operations;
53 extern struct address_space_operations bfs_aops;
54 
55 /* dir.c */
56 extern struct inode_operations bfs_dir_inops;
57 extern struct file_operations bfs_dir_operations;
58 
59 #endif /* _FS_BFS_BFS_H */
60