xfs_btree_read_buf_block
error = xfs_btree_read_buf_block(cur, ptrp, 0, &block, &bp);
error = xfs_btree_read_buf_block(cur, ptrp, 0, &block, &bp);
error = xfs_btree_read_buf_block(cur, pp, 0, blkp, &bp);
error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp);
error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp);
error = xfs_btree_read_buf_block(cur, &rrptr,
error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp);
error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp);
error = xfs_btree_read_buf_block(cur, &lptr, 0, &left, &lbp);
error = xfs_btree_read_buf_block(cur, &rptr, 0, &right, &rbp);
error = xfs_btree_read_buf_block(cur, &cptr, 0, &rrblock, &rrbp);
int xfs_btree_read_buf_block(struct xfs_btree_cur *cur,
ret = xfs_btree_read_buf_block(cur, child_ptr, 0, &child_block,