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kernel/linux-imx6_3.14.28/fs/ocfs2/slot_map.h 1.41 KB
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  /* -*- mode: c; c-basic-offset: 8; -*-
   * vim: noexpandtab sw=8 ts=8 sts=0:
   *
   * slotmap.h
   *
   * description here
   *
   * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public
   * License along with this program; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 021110-1307, USA.
   */
  
  
  #ifndef SLOTMAP_H
  #define SLOTMAP_H
  
  int ocfs2_init_slot_info(struct ocfs2_super *osb);
  void ocfs2_free_slot_info(struct ocfs2_super *osb);
  
  int ocfs2_find_slot(struct ocfs2_super *osb);
  void ocfs2_put_slot(struct ocfs2_super *osb);
  
  int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
  
  int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
  int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
  				  unsigned int *node_num);
  
  int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
  
  #endif