xfs_btree_init_block_cur
xfs_btree_init_block_cur(cur, rbp, xfs_btree_get_level(left), 0);
xfs_btree_init_block_cur(cur, nbp, cur->bc_nlevels, 2);
void xfs_btree_init_block_cur(struct xfs_btree_cur *cur,
xfs_btree_init_block_cur(cur, new_bp, level, nr_this_block);