/******************************************************************************
  *******************************************************************************
  **

  **  Copyright (C) 2005-2007 Red Hat, Inc.  All rights reserved.

  **
  **  This copyrighted material is made available to anyone wishing to use,
  **  modify, copy, or redistribute it subject to the terms and conditions
  **  of the GNU General Public License v.2.
  **
  *******************************************************************************
  ******************************************************************************/
  
  #ifndef __LOCK_DOT_H__
  #define __LOCK_DOT_H__
  
  void dlm_print_rsb(struct dlm_rsb *r);

  void dlm_dump_rsb(struct dlm_rsb *r);

  void dlm_print_lkb(struct dlm_lkb *lkb);

  int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery);
  int dlm_modes_compat(int mode1, int mode2);
  int dlm_find_rsb(struct dlm_ls *ls, char *name, int namelen,
  	unsigned int flags, struct dlm_rsb **r_ret);
  void dlm_put_rsb(struct dlm_rsb *r);
  void dlm_hold_rsb(struct dlm_rsb *r);
  int dlm_put_lkb(struct dlm_lkb *lkb);
  void dlm_scan_rsbs(struct dlm_ls *ls);

  int dlm_lock_recovery_try(struct dlm_ls *ls);
  void dlm_unlock_recovery(struct dlm_ls *ls);

  void dlm_scan_timeout(struct dlm_ls *ls);
  void dlm_adjust_timeouts(struct dlm_ls *ls);

  
  int dlm_purge_locks(struct dlm_ls *ls);
  void dlm_purge_mstcpy_locks(struct dlm_rsb *r);

  void dlm_grant_after_purge(struct dlm_ls *ls);

  int dlm_recover_waiters_post(struct dlm_ls *ls);
  void dlm_recover_waiters_pre(struct dlm_ls *ls);
  int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc);
  int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc);

  int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, int mode,

  	uint32_t flags, void *name, unsigned int namelen,
  	unsigned long timeout_cs);

  int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,

  	int mode, uint32_t flags, uint32_t lkid, char *lvb_in,
  	unsigned long timeout_cs);

  int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
  	uint32_t flags, uint32_t lkid, char *lvb_in);
  int dlm_user_cancel(struct dlm_ls *ls,  struct dlm_user_args *ua_tmp,
  	uint32_t flags, uint32_t lkid);

  int dlm_user_purge(struct dlm_ls *ls, struct dlm_user_proc *proc,
  	int nodeid, int pid);

  int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid);

  void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc);

  static inline int is_master(struct dlm_rsb *r)
  {
  	return !r->res_nodeid;
  }
  
  static inline void lock_rsb(struct dlm_rsb *r)
  {

  	mutex_lock(&r->res_mutex);

  }
  
  static inline void unlock_rsb(struct dlm_rsb *r)
  {

  	mutex_unlock(&r->res_mutex);

  }
  
  #endif