#ifndef _LINUX_RAMFS_H
  #define _LINUX_RAMFS_H

  struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,

  	 umode_t mode, dev_t dev);

  extern struct dentry *ramfs_mount(struct file_system_type *fs_type,
  	 int flags, const char *dev_name, void *data);

  #ifndef CONFIG_MMU

  extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);

  extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
  						   unsigned long addr,
  						   unsigned long len,
  						   unsigned long pgoff,
  						   unsigned long flags);
  
  extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
  #endif

  extern const struct file_operations ramfs_file_operations;

  extern const struct vm_operations_struct generic_file_vm_ops;

  extern int __init init_rootfs(void);

  int ramfs_fill_super(struct super_block *sb, void *data, int silent);

  #endif