o2hb_region_pin 144 fs/ocfs2/cluster/heartbeat.c static int o2hb_region_pin(const char *region_uuid); o2hb_region_pin 2132 fs/ocfs2/cluster/heartbeat.c o2hb_region_pin(NULL); o2hb_region_pin 2362 fs/ocfs2/cluster/heartbeat.c ret = o2hb_region_pin(region_uuid); o2hb_region_pin 2376 fs/ocfs2/cluster/heartbeat.c ret = o2hb_region_pin(NULL);