/* SPDX-License-Identifier: GPL-2.0 */
  /*
   * (C) 2001 Clemson University and The University of Chicago
   *
   * See COPYING in top-level directory.
   */
  
  #ifndef __ORANGEFS_BUFMAP_H
  #define __ORANGEFS_BUFMAP_H
  
  int orangefs_bufmap_size_query(void);
  
  int orangefs_bufmap_shift_query(void);
  
  int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
  
  void orangefs_bufmap_finalize(void);
  
  void orangefs_bufmap_run_down(void);
  
  int orangefs_bufmap_get(void);
  
  void orangefs_bufmap_put(int buffer_index);
  
  int orangefs_readdir_index_get(void);
  
  void orangefs_readdir_index_put(int buffer_index);
  
  int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
  				int buffer_index,
  				size_t size);
  
  int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
  			      int buffer_index,
  			      size_t size);
  
  #endif /* __ORANGEFS_BUFMAP_H */