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authorMark Fasheh <mark.fasheh@oracle.com>2005-12-15 14:31:24 -0800
committerJoel Becker <joel.becker@oracle.com>2006-01-03 11:45:47 -0800
commitccd979bdbce9fba8412beb3f1de68a9d0171b12c (patch)
treec50ed941849ce06ccadd4ce27599b3ef9fdbe2ae /fs/ocfs2/heartbeat.h
parent8df08c89c668e1bd922a053fdb5ba1fadbecbb38 (diff)
[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.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/fs/ocfs2/heartbeat.h b/fs/ocfs2/heartbeat.h
new file mode 100644
index 00000000000..e8fb079122e
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+++ 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 */