linux/fs/ocfs2/slot_map.h
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   1/* -*- mode: c; c-basic-offset: 8; -*-
   2 * vim: noexpandtab sw=8 ts=8 sts=0:
   3 *
   4 * slotmap.h
   5 *
   6 * description here
   7 *
   8 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
   9 *
  10 * This program is free software; you can redistribute it and/or
  11 * modify it under the terms of the GNU General Public
  12 * License as published by the Free Software Foundation; either
  13 * version 2 of the License, or (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 * General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public
  21 * License along with this program; if not, write to the
  22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 * Boston, MA 021110-1307, USA.
  24 */
  25
  26
  27#ifndef SLOTMAP_H
  28#define SLOTMAP_H
  29
  30int ocfs2_init_slot_info(struct ocfs2_super *osb);
  31void ocfs2_free_slot_info(struct ocfs2_super *osb);
  32
  33int ocfs2_find_slot(struct ocfs2_super *osb);
  34void ocfs2_put_slot(struct ocfs2_super *osb);
  35
  36int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
  37
  38int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
  39int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
  40                                  unsigned int *node_num);
  41
  42int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
  43
  44#endif
  45
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