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.:
Date of Patent:
Mar. 08, 2022
Filed:
Mar. 13, 2020
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Junghoon Kim, Yongin-si, KR;
Seonghun Kim, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 12/1009 (2016.01); G06F 12/0804 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0292 (2013.01); G06F 12/0246 (2013.01); G06F 12/0804 (2013.01); G06F 12/1009 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/608 (2013.01);
Abstract
A storage device includes a nonvolatile memory including a main meta data area and a journal area, and a controller. The controller updates an address mapping table including a plurality of page mapping entries divided into a plurality of segments by executing a flash translation layer (FTL) stored in a working memory, stores updated page mapping entries of the plurality of page mapping entries in the journal area as journal data, and stores the plurality of segments, each having a size smaller than a physical page of the nonvolatile memory, in the main meta data area.