LXR linux-bk/fs/bfs/bfs.h

   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 */
  61