DEFINE_RMAP_EVENT
DEFINE_RMAP_EVENT(xfs_rmap_unmap);
DEFINE_RMAP_EVENT(xfs_rmap_unmap_done);
DEFINE_RMAP_EVENT(xfs_rmap_map);
DEFINE_RMAP_EVENT(xfs_rmap_map_done);
DEFINE_RMAP_EVENT(xfs_rmap_convert);
DEFINE_RMAP_EVENT(xfs_rmap_convert_done);