* but we will shift to the place where start_block is,
* then start from there, when looking for a reservable space.
*
- * @size: the target new reservation window size
+ * @sb: the super block.
*
- * @group_first_block: the first block we consider to start
- * the real search from
+ * @start_block: the first block we consider to start the real search from
*
* @last_block:
* the maximum block number that our goal reservable space