EBH_TREE_DESTROY
EBH_TREE_DESTROY(scan_leb_used_rbtree,
EBH_TREE_DESTROY(peb_free_rbtree, &ebh->free, struct chfs_peb);
EBH_TREE_DESTROY(peb_in_use_rbtree, &ebh->in_use, struct chfs_peb);