private DiskRangeList insertAfterInternal(DiskRangeList other) {
    other.next = this.next;
    other.prev = this;
    if (this.next != null) {
      checkOrder(other, this.next, this);
      this.next.prev = other;
    }
    this.next = other;
    return other;
  }
Inserts an element after current in the list.
@param other the new element to insert
@return the new element.
storage-api/src/java/org/apache/hadoop/hive/common/io/DiskRangeList.java