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:
Jul. 02, 2019

Filed:

Apr. 25, 2018
Applicant:

Shenzhen Epostar Electronics Limited Co., Shenzhen, CN;

Inventors:

Hsiu-Hsien Chu, Hsinchu, TW;

Hung-Chih Hsieh, Hsinchu County, TW;

Yu-Hua Hsiao, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/02 (2006.01); G06F 3/06 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 3/061 (2013.01); G06F 3/064 (2013.01); G06F 3/0679 (2013.01); G06F 11/1402 (2013.01); G06F 12/0292 (2013.01); G06F 2212/7201 (2013.01);
Abstract

A valid data management method and a storage controller are provided. The method includes creating a valid data mark table and a valid logical addresses table corresponding to a target physical unit according to a logical-to-physical table and a target physical-to-logical table corresponding to the target physical unit, wherein the valid data mark table records a plurality of mark values respectively corresponding to a plurality of target logical addresses, the mark values respectively indicate whether the corresponding logical addresses is valid or invalid, and the valid logical addresses table only records one or more valid target logical addresses according to an order of one or more first bit values in the valid data mark table; and identifying one or more valid data of the target physical unit according to the logical-to-physical table, the valid data mark table and the valid logical addresses table corresponding to the target physical unit.


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