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author | Mark Fasheh <mark.fasheh@oracle.com> | 2005-12-15 14:31:24 -0800 |
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committer | Joel Becker <joel.becker@oracle.com> | 2006-01-03 11:45:47 -0800 |
commit | ccd979bdbce9fba8412beb3f1de68a9d0171b12c (patch) | |
tree | c50ed941849ce06ccadd4ce27599b3ef9fdbe2ae /fs/ocfs2/heartbeat.h | |
parent | 8df08c89c668e1bd922a053fdb5ba1fadbecbb38 (diff) | |
download | linux-ccd979bdbce9fba8412beb3f1de68a9d0171b12c.tar.bz2 |
[PATCH] OCFS2: The Second Oracle Cluster Filesystem
The OCFS2 file system module.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Diffstat (limited to 'fs/ocfs2/heartbeat.h')
-rw-r--r-- | fs/ocfs2/heartbeat.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/fs/ocfs2/heartbeat.h b/fs/ocfs2/heartbeat.h new file mode 100644 index 000000000000..e8fb079122e4 --- /dev/null +++ b/fs/ocfs2/heartbeat.h @@ -0,0 +1,67 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * heartbeat.h + * + * Function prototypes + * + * Copyright (C) 2002, 2004 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef OCFS2_HEARTBEAT_H +#define OCFS2_HEARTBEAT_H + +void ocfs2_init_node_maps(struct ocfs2_super *osb); + +void ocfs2_setup_hb_callbacks(struct ocfs2_super *osb); +int ocfs2_register_hb_callbacks(struct ocfs2_super *osb); +void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb); +void ocfs2_stop_heartbeat(struct ocfs2_super *osb); + +/* node map functions - used to keep track of mounted and in-recovery + * nodes. */ +void ocfs2_node_map_init(struct ocfs2_node_map *map); +int ocfs2_node_map_is_empty(struct ocfs2_super *osb, + struct ocfs2_node_map *map); +void ocfs2_node_map_set_bit(struct ocfs2_super *osb, + struct ocfs2_node_map *map, + int bit); +void ocfs2_node_map_clear_bit(struct ocfs2_super *osb, + struct ocfs2_node_map *map, + int bit); +int ocfs2_node_map_test_bit(struct ocfs2_super *osb, + struct ocfs2_node_map *map, + int bit); +int ocfs2_node_map_iterate(struct ocfs2_super *osb, + struct ocfs2_node_map *map, + int idx); +static inline int ocfs2_node_map_first_set_bit(struct ocfs2_super *osb, + struct ocfs2_node_map *map) +{ + return ocfs2_node_map_iterate(osb, map, 0); +} +int ocfs2_recovery_map_set(struct ocfs2_super *osb, + int num); +void ocfs2_recovery_map_clear(struct ocfs2_super *osb, + int num); +/* returns 1 if bit is the only bit set in target, 0 otherwise */ +int ocfs2_node_map_is_only(struct ocfs2_super *osb, + struct ocfs2_node_map *target, + int bit); + +#endif /* OCFS2_HEARTBEAT_H */ |