fs/nilfs2/bmap_union.h

   1 /*
   2  * bmap_union.h - NILFS block mapping.
   3  *
   4  * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Written by Koji Sato <koji@osrg.net>.
  21  */
  22
  23 #ifndef _NILFS_BMAP_UNION_H
  24 #define _NILFS_BMAP_UNION_H
  25
  26 #include "bmap.h"
  27 #include "direct.h"
  28 #include "btree.h"
  29
  30 /**
  31  * nilfs_bmap_union -
  32  * @bi_bmap: bmap structure
  33  * @bi_btree: direct map structure
  34  * @bi_direct: B-tree structure
  35  */
  36 union nilfs_bmap_union {
  37         struct nilfs_bmap bi_bmap;
  38         struct nilfs_direct bi_direct;
  39         struct nilfs_btree bi_btree;
  40 };
  41
  42 #endif  /* _NILFS_BMAP_UNION_H */