Patents by Inventor Longhua QIN

Longhua QIN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11816038
    Abstract: A method and an apparatus of mapping table reconstruction based on a SSD, and a computer device are disclosed by the present application, and the method includes: acquiring the mapping table reconstruction request based on the SSD; scanning starting from the last physical page of the corresponding physical block according to the mapping table reconstruction request based on the SSD; reading the corresponding logical address and N logical address offsets from a data area of the current physical page, where N is the positive integer greater than 1; acquiring logical addresses corresponding to N adjacent pages in sequence according to the logical address corresponding to the current physical page and the N logical address offsets; reconstructing a mapping relationship between logical addresses and physical addresses according to the logical address corresponding to the current physical page and the logical addresses corresponding to the N adjacent pages.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 14, 2023
    Assignee: SHENZHEN UNIONMEMORY INFORMATION SYSTEM LIMITED
    Inventors: Xuesen Yang, Jian Li, Longhua Qin, Jintao Gan, Weiliang Wang, Zongming Jia
  • Publication number: 20230131779
    Abstract: A method and an apparatus of mapping table reconstruction based on a SSD, and a computer device are disclosed by the present application, and the method includes: acquiring the mapping table reconstruction request based on the SSD; scanning starting from the last physical page of the corresponding physical block according to the mapping table reconstruction request based on the SSD; reading the corresponding logical address and N logical address offsets from a data area of the current physical page, where N is the positive integer greater than 1; acquiring logical addresses corresponding to N adjacent pages in sequence according to the logical address corresponding to the current physical page and the N logical address offsets; reconstructing a mapping relationship between logical addresses and physical addresses according to the logical address corresponding to the current physical page and the logical addresses corresponding to the N adjacent pages.
    Type: Application
    Filed: February 28, 2020
    Publication date: April 27, 2023
    Inventors: Xuesen YANG, Jian LI, Longhua QIN, Jintao GAN, Weiliang WANG, Zongming JIA