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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10061704 B1

PDFFull Text
Date of Patent:
Aug. 28, 2018

Filed:

Nov. 29, 2016

Systems and methods for managing cache of a data storage device

Applicant:

Marvell International Ltd., Hamilton, BM;

Inventors:

Weiya Xi, Singapore, SG;

Chao Jin, Singapore, SG;

Khai Leong Yong, Singapore, SG;

Sophia Tan, Singapore, SG;

Zhi Yong Ching, Singapore, SG;

Assignee:

Marvell International LTD., Hamilton, BM;

Attorney:
Primary Examiner:

Shawn X Gu

Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0868 (2016.01); G06F 12/0891 (2016.01); G06F 12/02 (2006.01); G06F 12/0873 (2016.01); G06F 12/0866 (2016.01); G06F 12/0871 (2016.01); G06F 12/0802 (2016.01); G06F 3/06 (2006.01); G06F 17/30 (2006.01); G11C 7/10 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0868 (2013.01); G06F 3/0607 (2013.01); G06F 3/0665 (2013.01); G06F 3/0685 (2013.01); G06F 12/0246 (2013.01); G06F 12/0802 (2013.01); G06F 12/0866 (2013.01); G06F 12/0871 (2013.01); G06F 12/0873 (2013.01); G06F 12/0891 (2013.01); G06F 17/30324 (2013.01); G11C 7/1072 (2013.01); G06F 2212/205 (2013.01); G06F 2212/222 (2013.01); G06F 2212/31 (2013.01); G06F 2212/313 (2013.01); G06F 2212/466 (2013.01); G06F 2212/6042 (2013.01); G06F 2212/7207 (2013.01); G06F 2212/7209 (2013.01); Y02D 10/13 (2018.01);
Abstract

A data storage device includes a data storage medium having a plurality of data blocks. A cache includes a plurality of cache blocks. Each cache block includes a corresponding cache block address. A metadata table includes a plurality of table entries for the data blocks, respectively. Each of the table entries is configured to store the cache block address of one of the cache blocks in which data of a corresponding one of the data blocks is written. A bitmap is configured to store statuses of all of the cache blocks, respectively.

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