mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
ccd979bdbc
The OCFS2 file system module. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/* -*- 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 */
|