| 摘要 |
A method for storing a first block and a second block, the includes storing the first block and the second block in a storage pool, and storing a third block in the storage pool, wherein the third block references the first block and second block and comprises a first fill count and a second fill count, wherein the first fill count corresponds to one selected from the group consisting of a number of data blocks directly referenced by the first block, a number of data blocks indirectly referenced by the first block, if the first block is an indirect block, wherein the first fill count is one if the first block is a data block.
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