Optimized read-modify-writes during relocation of overlapping logical blocks

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United States of America Patent

PATENT NO 11899956
APP PUB NO 20230418501A1
SERIAL NO

17847078

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Abstract

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Disclosed are systems and methods for providing read-modify-writes during relocation of overlapping of logical blocks. A method includes receiving a host write command from a host interface. The method also includes translating a logical block address for the host write command to a physical address on a device memory. The physical address corresponds to a plurality of indirection units. The method also includes, in accordance with a determination that the physical address does not correspond to an aligned address, processing a read-modify-write operation for one or more indirection units of the plurality of indirection units during a relocation, in accordance with a determination that a relocation block has an overlapping indirection unit with the one or more indirection units.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daida, Kartheek Reddy Fremont, US 2 1
Koo, Duckhoi San Jose, US 1 0
Lee, Kwangyoung San Jose, US 3 13

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