Patent ID: 11960394
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A data storage device, comprising:
one or more memory devices; and
a controller coupled to the one or more memory devices, wherein the controller is configured to:
create an absolute delta entry, wherein the absolute delta entry comprises a first number of bits, a type of entry, a table part index, a first offset in the table, and a physical block address (PBA);
create a relative delta entry, wherein the relative delta entry comprises a second number of bits, type of entry, a second offset in the table, and a PBA offset, wherein the first number of bits is greater than the second number of bits; and
store the relative delta entry and absolute delta entry in a delta buffer table, wherein the first offset in the table and the second offset in the table comprise an equal number of bits, and wherein the PBA comprises a greater number of bits than the PBA offset.