公开(公告)号：US10572382B2

公开(公告)日：2020-02-25

申请号：US14721480

申请日：2015-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun-Sik Yun ,  Youn Won Park ,  Sang Yoon Oh

IPC: G06F12/00 ,  G06F13/00 ,  G06F12/02 ,  G06F3/06

Abstract: A method of operating a data storage device includes receiving size information of a region needed for a data transaction from a host, calculating the sum of a size of a first region available in an invisible region-to-user and a size of a second region available in a visible region-to-user based on the size information, and communicating a response indicating possibility of the data transaction to the host based on a calculation result.

公开(公告)号：US10168926B2

公开(公告)日：2019-01-01

申请号：US15256939

申请日：2016-09-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myung Jin Jung ,  Sang Yoon Oh ,  Hyun Sik Yun ,  Hyun Jin Choi

IPC: G06F3/06 ,  G06F12/02

Abstract: A method of operating a data storage device performing garbage collection in response to locality information for pages of a data block. The method includes acquiring mapping table information for the plurality of pages, and determining validity of each one of the plurality of pages while scanning mapping tables indicated by mapping table information associated with the plurality of pages.