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ocfs2/cluster: Get all heartbeat regions

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Export function in o2hb to get a list of heartbeat regions. It also adds an
upper limit to the length of the heartbeat region name.

o2hb_global_heartbeat_active() currently disables global heartbeat. It will
be enabled in a later patch after all the code is added.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
This commit is contained in:
Sunil Mushran
2010-10-07 14:31:06 -07:00
parent b1365d0bd1
commit b3c85c4cdf
2 changed files with 38 additions and 0 deletions
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4
fs/ocfs2/cluster/heartbeat.h
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@@ -31,6 +31,8 @@
#define O2HB_REGION_TIMEOUT_MS 2000
#define O2HB_MAX_REGION_NAME_LEN 32
/* number of changes to be seen as live */
#define O2HB_LIVE_THRESHOLD 2
/* number of equal samples to be seen as dead */
@@ -81,5 +83,7 @@ int o2hb_check_node_heartbeating(u8 node_num);
int o2hb_check_node_heartbeating_from_callback(u8 node_num);
int o2hb_check_local_node_heartbeating(void);
void o2hb_stop_all_regions(void);
int o2hb_get_all_regions(char *region_uuids, u8 numregions);
int o2hb_global_heartbeat_active(void);
#endif /* O2CLUSTER_HEARTBEAT_H */