#ifndef BTRFS_EXPORT_H
  #define BTRFS_EXPORT_H
  
  #include <linux/exportfs.h>
  
  extern const struct export_operations btrfs_export_ops;
  
  struct btrfs_fid {
  	u64 objectid;
  	u64 root_objectid;
  	u32 gen;
  
  	u64 parent_objectid;
  	u32 parent_gen;
  
  	u64 parent_root_objectid;
  } __attribute__ ((packed));
  
  #endif