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 };
  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 const struct inode_operations bfs_file_inops;
  52 extern const struct file_operations bfs_file_operations;
  53 extern const struct address_space_operations bfs_aops;
  54
  55 /* dir.c */
  56 extern const struct inode_operations bfs_dir_inops;
  57 extern const struct file_operations bfs_dir_operations;
  58
  59 #endif /* _FS_BFS_BFS_H */