ia64/linux-2.6.18-xen.hg

view fs/ocfs2/heartbeat.h @ 524:7f8b544237bf

netfront: Allow netfront in domain 0.

This is useful if your physical network device is in a utility domain.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Apr 15 15:18:58 2008 +0100 (2008-04-15)
parents 831230e53067
children
line source
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 */
26 #ifndef OCFS2_HEARTBEAT_H
27 #define OCFS2_HEARTBEAT_H
29 void ocfs2_init_node_maps(struct ocfs2_super *osb);
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);
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);
67 #endif /* OCFS2_HEARTBEAT_H */