| 摘要 |
Mapping management methods and systems are provided. First, a sub-read command comprising mapping directory number, block offset and page offset is obtained. Then, a specific block mapping table is located from a plurality of block mapping tables according to the mapping directory number, and a first specific entry is located from the specific block mapping table according to the block offset, wherein the first specific entry comprises a mapping mode setting and block information. When the mapping mode setting is a page mapping mode, a second specific entry is located from a page mapped block table according to the block information, and a page mapping table is located corresponding to a specific page mapped block. Thereafter, a third specific entry is located from the page mapping table according to the page offset, and a page of data is located from a storage unit according to the third specific entry. |
