/*
   * Wrapper functions for accessing the file_struct fd array.
   */
  
  #ifndef __LINUX_FILE_H
  #define __LINUX_FILE_H

  #include <linux/compiler.h>

  #include <linux/types.h>

  #include <linux/posix_types.h>

  struct file;

  extern void fput(struct file *);

  extern void drop_file_write_access(struct file *file);

  struct file_operations;
  struct vfsmount;
  struct dentry;

  struct path;
  extern struct file *alloc_file(struct path *, fmode_t mode,
  	const struct file_operations *fop);

  static inline void fput_light(struct file *file, int fput_needed)
  {

  	if (fput_needed)

  		fput(file);
  }

  extern struct file *fget(unsigned int fd);
  extern struct file *fget_light(unsigned int fd, int *fput_needed);

  extern struct file *fget_raw(unsigned int fd);
  extern struct file *fget_raw_light(unsigned int fd, int *fput_needed);

  extern void set_close_on_exec(unsigned int fd, int flag);

  extern void put_filp(struct file *);

  extern int alloc_fd(unsigned start, unsigned flags);

  extern int get_unused_fd(void);

  #define get_unused_fd_flags(flags) alloc_fd(0, (flags))

  extern void put_unused_fd(unsigned int fd);

  extern void fd_install(unsigned int fd, struct file *file);

  #endif /* __LINUX_FILE_H */