Patent ID: 8914579
Filing Date: 2014-12-16
Classification: G06F

Abstract:
1. An access device that accesses an information recording device including a non-volatile memory formed by a plurality of uniform physical blocks to which data is to be written, the plurality of uniform physical blocks including one specific physical block, the access device comprising: a page cache information setting unit that notifies the information recording device of two or more specific logical addresses allocated to the one specific physical block, said notification occurring prior to execution of processing for writing data to the non-volatile memory, wherein when the data is written to the non-volatile memory, the one specific physical block temporarily holds the data, when the information recording device writes updated data for one of the two or more specific logical addresses, if the one specific physical block has no free area, the information recording device obtains a new physical block, after writing the updated data to the new physical block from a head of the new physical block, the information recording device subsequently writes data for any other one of the two or more specific logical addresses to the new physical block.