68 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			68 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
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								/* -*- mode: c; c-basic-offset: 8; -*-
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								 * vim: noexpandtab sw=8 ts=8 sts=0:
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								 *
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								 * heartbeat.h
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								 *
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								 * Function prototypes
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								 *
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								 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
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								 *
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								 * This program is free software; you can redistribute it and/or
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								 * modify it under the terms of the GNU General Public
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								 * License as published by the Free Software Foundation; either
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								 * version 2 of the License, or (at your option) any later version.
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								 *
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								 * This program is distributed in the hope that it will be useful,
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								 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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								 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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								 * General Public License for more details.
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								 *
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								 * You should have received a copy of the GNU General Public
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								 * License along with this program; if not, write to the
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								 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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								 * Boston, MA 021110-1307, USA.
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								 */
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								#ifndef OCFS2_HEARTBEAT_H
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								#define OCFS2_HEARTBEAT_H
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								void ocfs2_init_node_maps(struct ocfs2_super *osb);
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								void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb);
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								int ocfs2_register_hb_callbacks(struct ocfs2_super *osb);
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								void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb);
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								void ocfs2_stop_heartbeat(struct ocfs2_super *osb);
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								/* node map functions - used to keep track of mounted and in-recovery
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								 * nodes. */
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								void ocfs2_node_map_init(struct ocfs2_node_map *map);
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								int ocfs2_node_map_is_empty(struct ocfs2_super *osb,
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											    struct ocfs2_node_map *map);
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								void ocfs2_node_map_set_bit(struct ocfs2_super *osb,
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											    struct ocfs2_node_map *map,
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											    int bit);
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								void ocfs2_node_map_clear_bit(struct ocfs2_super *osb,
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											      struct ocfs2_node_map *map,
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											      int bit);
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								int ocfs2_node_map_test_bit(struct ocfs2_super *osb,
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											    struct ocfs2_node_map *map,
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											    int bit);
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								int ocfs2_node_map_iterate(struct ocfs2_super *osb,
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											   struct ocfs2_node_map *map,
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											   int idx);
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								static inline int ocfs2_node_map_first_set_bit(struct ocfs2_super *osb,
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													       struct ocfs2_node_map *map)
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								{
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									return ocfs2_node_map_iterate(osb, map, 0);
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								}
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								int ocfs2_recovery_map_set(struct ocfs2_super *osb,
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											   int num);
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								void ocfs2_recovery_map_clear(struct ocfs2_super *osb,
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											      int num);
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								/* returns 1 if bit is the only bit set in target, 0 otherwise */
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								int ocfs2_node_map_is_only(struct ocfs2_super *osb,
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											   struct ocfs2_node_map *target,
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											   int bit);
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								#endif /* OCFS2_HEARTBEAT_H */
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