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  */
  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 */