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.

Date of Patent:
Sep. 23, 2025

Filed:

Jan. 16, 2024
Applicant:

Dapustor Corporation, Shenzhen, CN;

Inventors:

Liang Bai, Shenzhen, CN;

Yuanpeng Ma, Shenzhen, CN;

Xiang Chen, Shenzhen, CN;

Yafei Yang, Shenzhen, CN;

Assignee:

DAPUSTOR CORPORATION, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0802 (2016.01); G06F 3/06 (2006.01); G06F 12/0804 (2016.01); G06F 12/0868 (2016.01); G06F 12/0871 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0802 (2013.01); G06F 3/0679 (2013.01); G06F 12/0804 (2013.01); G06F 12/0868 (2013.01); G06F 12/0871 (2013.01); G06F 2212/60 (2013.01); G06F 2212/72 (2013.01);
Abstract

A cache management method, a solid state drive controller, and a solid state drive are provided. The solid state drive comprises a cache space, and the cache space comprises a dirty data block linked list. The method comprises: obtaining a write command and generating a first dirty data block used to record data information of the write command; and if the first dirty data block conflicts in address range with a second dirty data block in the dirty data block linked list, marking data in the conflicting region of the second dirty data block as invalid and inserting the first dirty data block into the dirty data block linked list.


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