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Diffstat (limited to 'fs/ocfs2/cluster/ocfs2_nodemanager.h')
-rw-r--r--fs/ocfs2/cluster/ocfs2_nodemanager.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/cluster/ocfs2_nodemanager.h b/fs/ocfs2/cluster/ocfs2_nodemanager.h
index 5b9854bad571..49b594325bec 100644
--- a/fs/ocfs2/cluster/ocfs2_nodemanager.h
+++ b/fs/ocfs2/cluster/ocfs2_nodemanager.h
@@ -36,4 +36,10 @@
/* host name, group name, cluster name all 64 bytes */
#define O2NM_MAX_NAME_LEN 64 // __NEW_UTS_LEN
+/*
+ * Maximum number of global heartbeat regions allowed.
+ * **CAUTION** Changing this number will break dlm compatibility.
+ */
+#define O2NM_MAX_REGIONS 32
+
#endif /* _OCFS2_NODEMANAGER_H */