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kernel/linux-imx6_3.14.28/fs/bfs/bfs.h 1.33 KB
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  /*
   *	fs/bfs/bfs.h
   *	Copyright (C) 1999 Tigran Aivazian <tigran@veritas.com>
   */
  #ifndef _FS_BFS_BFS_H
  #define _FS_BFS_BFS_H
  
  #include <linux/bfs_fs.h>
  
  /*
   * BFS file system in-core superblock info
   */
  struct bfs_sb_info {
  	unsigned long si_blocks;
  	unsigned long si_freeb;
  	unsigned long si_freei;
  	unsigned long si_lf_eblk;
  	unsigned long si_lasti;
  	unsigned long *si_imap;
  	struct mutex bfs_lock;
  };
  
  /*
   * BFS file system in-core inode info
   */
  struct bfs_inode_info {
  	unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */
  	unsigned long i_sblock;
  	unsigned long i_eblock;
  	struct inode vfs_inode;
  };
  
  static inline struct bfs_sb_info *BFS_SB(struct super_block *sb)
  {
  	return sb->s_fs_info;
  }
  
  static inline struct bfs_inode_info *BFS_I(struct inode *inode)
  {
  	return container_of(inode, struct bfs_inode_info, vfs_inode);
  }
  
  
  #define printf(format, args...) \
  	printk(KERN_ERR "BFS-fs: %s(): " format, __func__, ## args)
  
  /* inode.c */
  extern struct inode *bfs_iget(struct super_block *sb, unsigned long ino);
  
  /* file.c */
  extern const struct inode_operations bfs_file_inops;
  extern const struct file_operations bfs_file_operations;
  extern const struct address_space_operations bfs_aops;
  
  /* dir.c */
  extern const struct inode_operations bfs_dir_inops;
  extern const struct file_operations bfs_dir_operations;
  
  #endif /* _FS_BFS_BFS_H */