summaryrefslogblamecommitdiffstats
path: root/fs/orangefs/orangefs-bufmap.h
blob: c2c3c5a0eeab41e625633d462c257ccd571193a0 (plain) (tree)
1
2
3
4
5
6
7
8
9
                                      





                                                            

                           
 
                                     
 
                                      
 
                                                                        
 
                                    
 

                                    
                              
 
                                           
 
                                     
 
                                                  
 
                                                          


                                                 
                                                        

                                               
 
                                
/* 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 */