Patent ID: 9400745
Filing Date: 2016-07-26
CPC Classification: G06F

Claim Text:
1. A storage system comprising: a memory controller; a read status table comprising: a pending read indication and an associated physical address of a solid state memory device; a physical address field comprising the physical address; a read pending field comprising a count of pending reads associated with the physical address; a valid field comprising an active entry if there are pending reads associated with the physical address or comprising an inactive entry if there are no pending reads associated with the physical address, and; a write pending field comprising an active entry if the memory controller initiates a write to the physical address and if the valid field is inactive, the write pending field active entry indicates the physical address is an old physical address and is available to be released for reassignment; and wherein the memory controller connected to the solid state memory device releases the physical address for reassignment when the read status table indicates that no pending reads are associated with the physical address.