Method and apparatus for reclaiming and defragmenting a flash memory device

摘要: A method and apparatus for reclaiming space on a flash memory device is provided in which valid data copied from an individually erasable sector the to designated location. The then formatted or erased returned at next available free contiguously. pointer updated keep track of location recently device. process repeated each consecutive until all becomes contiguous one segment second In this manner, defragmented largest possible file can be written Files saved formats blocked formats. During reclamation defragmentation routine, format preserved. Also, blocks are originally non-contiguous become after routine performed.