1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * heartbeat.h 5 * 6 * Function prototypes 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 #ifndef OCFS2_HEARTBEAT_H 27 #define OCFS2_HEARTBEAT_H 28 29 void ocfs2_init_node_maps(struct ocfs2_super *osb); 30 31 void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb); 32 void ocfs2_stop_heartbeat(struct ocfs2_super *osb); 33 34 /* node map functions - used to keep track of mounted and in-recovery 35 * nodes. */ 36 int ocfs2_node_map_is_empty(struct ocfs2_super *osb, 37 struct ocfs2_node_map *map); 38 void ocfs2_node_map_set_bit(struct ocfs2_super *osb, 39 struct ocfs2_node_map *map, 40 int bit); 41 void ocfs2_node_map_clear_bit(struct ocfs2_super *osb, 42 struct ocfs2_node_map *map, 43 int bit); 44 int ocfs2_node_map_test_bit(struct ocfs2_super *osb, 45 struct ocfs2_node_map *map, 46 int bit); 47 int ocfs2_node_map_iterate(struct ocfs2_super *osb, 48 struct ocfs2_node_map *map, 49 int idx); 50 static inline int ocfs2_node_map_first_set_bit(struct ocfs2_super *osb, 51 struct ocfs2_node_map *map) 52 { 53 return ocfs2_node_map_iterate(osb, map, 0); 54 } 55 int ocfs2_recovery_map_set(struct ocfs2_super *osb, 56 int num); 57 void ocfs2_recovery_map_clear(struct ocfs2_super *osb, 58 int num); 59 60 #endif /* OCFS2_HEARTBEAT_H */ 61