fs/orangefs/orangefs-bufmap.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * (C) 2001 Clemson University and The University of Chicago
   4  *
   5  * See COPYING in top-level directory.
   6  */
   7
   8 #ifndef __ORANGEFS_BUFMAP_H
   9 #define __ORANGEFS_BUFMAP_H
  10
  11 int orangefs_bufmap_size_query(void);
  12
  13 int orangefs_bufmap_shift_query(void);
  14
  15 int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
  16
  17 void orangefs_bufmap_finalize(void);
  18
  19 void orangefs_bufmap_run_down(void);
  20
  21 int orangefs_bufmap_get(void);
  22
  23 void orangefs_bufmap_put(int buffer_index);
  24
  25 int orangefs_readdir_index_get(void);
  26
  27 void orangefs_readdir_index_put(int buffer_index);
  28
  29 int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
  30                                 int buffer_index,
  31                                 size_t size);
  32
  33 int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
  34                               int buffer_index,
  35                               size_t size);
  36
  37 void orangefs_bufmap_page_fill(void *kaddr, int buffer_index, int slot_index);
  38
  39 #endif /* __ORANGEFS_BUFMAP_H */