tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
13struct 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 */
29struct 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
36static inline struct bfs_sb_info *BFS_SB(struct super_block *sb)
37{
38 return sb->s_fs_info;
39}
40
41static 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 */
52extern struct inode_operations bfs_file_inops;
53extern struct file_operations bfs_file_operations;
54extern struct address_space_operations bfs_aops;
55
56/* dir.c */
57extern struct inode_operations bfs_dir_inops;
58extern struct file_operations bfs_dir_operations;
59
60#endif /* _FS_BFS_BFS_H */