#ifndef _LINUX_FS_STACK_H
  #define _LINUX_FS_STACK_H
  
  /* This file defines generic functions used primarily by stackable
   * filesystems; none of these functions require i_mutex to be held.
   */
  
  #include <linux/fs.h>
  
  /* externs for fs/stack.c */

  extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src);

  extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src);

  
  /* inlines */
  static inline void fsstack_copy_attr_atime(struct inode *dest,
  					   const struct inode *src)
  {
  	dest->i_atime = src->i_atime;
  }
  
  static inline void fsstack_copy_attr_times(struct inode *dest,
  					   const struct inode *src)
  {
  	dest->i_atime = src->i_atime;
  	dest->i_mtime = src->i_mtime;
  	dest->i_ctime = src->i_ctime;
  }
  
  #endif /* _LINUX_FS_STACK_H */