DEFINE_OCFS2_BTREE_EVENT
DEFINE_OCFS2_BTREE_EVENT(ocfs2_adjust_rightmost_branch);
DEFINE_OCFS2_BTREE_EVENT(ocfs2_rotate_tree_right);
DEFINE_OCFS2_BTREE_EVENT(ocfs2_append_rec_to_path);
DEFINE_OCFS2_BTREE_EVENT(ocfs2_insert_extent_start);
DEFINE_OCFS2_BTREE_EVENT(ocfs2_add_clusters_in_btree);