text: /* -*- mode: c; c-basic-offset: 8; -*-
   * vim: noexpandtab sw=8 ts=8 sts=0:
   *
   * localalloc.h
   *
   * Function prototypes
   *
   * 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 OCFS2_LOCALALLOC_H
  #define OCFS2_LOCALALLOC_H
  
  int ocfs2_load_local_alloc(struct ocfs2_super *osb);
  
  void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
  
  void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
  unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
  
  int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
  				     int node_num,
  				     struct ocfs2_dinode **alloc_copy);
  
  int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
  					struct ocfs2_dinode *alloc);
  
  int ocfs2_alloc_should_use_local(struct ocfs2_super *osb,
  				 u64 bits);
  
  struct ocfs2_alloc_context;
  int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
  				   u32 bits_wanted,
  				   struct ocfs2_alloc_context *ac);
  
  int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
  				 handle_t *handle,
  				 struct ocfs2_alloc_context *ac,
  				 u32 bits_wanted,
  				 u32 *bit_off,
  				 u32 *num_bits);
  
  int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb,
  				handle_t *handle,
  				struct ocfs2_alloc_context *ac,
  				u32 bit_off,
  				u32 num_bits);
  
  void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb,
  				      unsigned int num_clusters);
  void ocfs2_la_enable_worker(struct work_struct *work);
  
  #endif /* OCFS2_LOCALALLOC_H */
  