fs/ocfs2/vote.h

   1 /* -*- mode: c; c-basic-offset: 8; -*-
   2  * vim: noexpandtab sw=8 ts=8 sts=0:
   3  *
   4  * vote.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 VOTE_H
  28 #define VOTE_H
  29
  30 int ocfs2_vote_thread(void *arg);
  31 static inline void ocfs2_kick_vote_thread(struct ocfs2_super *osb)
  32 {
  33         spin_lock(&osb->vote_task_lock);
  34         /* make sure the voting thread gets a swipe at whatever changes
  35          * the caller may have made to the voting state */
  36         osb->vote_wake_sequence++;
  37         spin_unlock(&osb->vote_task_lock);
  38         wake_up(&osb->vote_event);
  39 }
  40
  41 int ocfs2_request_mount_vote(struct ocfs2_super *osb);
  42 int ocfs2_request_umount_vote(struct ocfs2_super *osb);
  43 int ocfs2_register_net_handlers(struct ocfs2_super *osb);
  44 void ocfs2_unregister_net_handlers(struct ocfs2_super *osb);
  45
  46 void ocfs2_remove_node_from_vote_queues(struct ocfs2_super *osb,
  47                                         int node_num);
  48 #endif