DEFINE_HEALTHMON_EVENT
DEFINE_HEALTHMON_EVENT(xfs_healthmon_read_start);
DEFINE_HEALTHMON_EVENT(xfs_healthmon_read_finish);
DEFINE_HEALTHMON_EVENT(xfs_healthmon_release);
DEFINE_HEALTHMON_EVENT(xfs_healthmon_detach);
DEFINE_HEALTHMON_EVENT(xfs_healthmon_report_unmount);