/* fs/ internal definitions
   *
   * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
   * Written by David Howells (dhowells@redhat.com)
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */

  struct super_block;

  /*
   * block_dev.c
   */

  #ifdef CONFIG_BLOCK

  extern struct super_block *blockdev_superblock;
  extern void __init bdev_cache_init(void);

  static inline int sb_is_blkdev_sb(struct super_block *sb)
  {
  	return sb == blockdev_superblock;
  }

  #else

  static inline void bdev_cache_init(void)
  {
  }

  static inline int sb_is_blkdev_sb(struct super_block *sb)
  {
  	return 0;
  }

  #endif

  /*
   * char_dev.c
   */
  extern void __init chrdev_init(void);
  
  /*

   * namespace.c
   */
  extern int copy_mount_options(const void __user *, unsigned long *);

  
  extern void free_vfsmnt(struct vfsmount *);
  extern struct vfsmount *alloc_vfsmnt(const char *);
  extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
  extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
  				struct vfsmount *);
  extern void release_mounts(struct list_head *);
  extern void umount_tree(struct vfsmount *, int, struct list_head *);
  extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
  
  extern void __init mnt_init(void);