| Mark Fasheh | ccd979b | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 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 | int ocfs2_register_hb_callbacks(struct ocfs2_super *osb); |
| 33 | void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb); |
| 34 | void ocfs2_stop_heartbeat(struct ocfs2_super *osb); |
| 35 | |
| 36 | /* node map functions - used to keep track of mounted and in-recovery |
| 37 | * nodes. */ |
| 38 | void ocfs2_node_map_init(struct ocfs2_node_map *map); |
| 39 | int ocfs2_node_map_is_empty(struct ocfs2_super *osb, |
| 40 | struct ocfs2_node_map *map); |
| 41 | void ocfs2_node_map_set_bit(struct ocfs2_super *osb, |
| 42 | struct ocfs2_node_map *map, |
| 43 | int bit); |
| 44 | void ocfs2_node_map_clear_bit(struct ocfs2_super *osb, |
| 45 | struct ocfs2_node_map *map, |
| 46 | int bit); |
| 47 | int ocfs2_node_map_test_bit(struct ocfs2_super *osb, |
| 48 | struct ocfs2_node_map *map, |
| 49 | int bit); |
| 50 | int ocfs2_node_map_iterate(struct ocfs2_super *osb, |
| 51 | struct ocfs2_node_map *map, |
| 52 | int idx); |
| 53 | static inline int ocfs2_node_map_first_set_bit(struct ocfs2_super *osb, |
| 54 | struct ocfs2_node_map *map) |
| 55 | { |
| 56 | return ocfs2_node_map_iterate(osb, map, 0); |
| 57 | } |
| 58 | int ocfs2_recovery_map_set(struct ocfs2_super *osb, |
| 59 | int num); |
| 60 | void ocfs2_recovery_map_clear(struct ocfs2_super *osb, |
| 61 | int num); |
| 62 | /* returns 1 if bit is the only bit set in target, 0 otherwise */ |
| 63 | int ocfs2_node_map_is_only(struct ocfs2_super *osb, |
| 64 | struct ocfs2_node_map *target, |
| 65 | int bit); |
| 66 | |
| 67 | #endif /* OCFS2_HEARTBEAT_H */ |