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:
Aug. 10, 2021
Filed:
Aug. 28, 2019
Tsinghua University, Beijing, CN;
Tsinghua University, Beijing, CN;
Abstract
The invention discloses a data storage access method, device and apparatus for persistent memory. The method includes: enabling a file system in device to receive, in a kernel space, an access request of a user library, where the user library operates in user mode, and the access request is initiated by third-party application through user library and carries operation type; if the operation type is read operation, enabling the file system to allow third-party application to directly access persistent memory space of device through user library; and if the operation type is not read operation, enabling the file system to allow third-party application to access persistent memory space of device through user library and kernel thread, where kernel thread operates in kernel mode. In this way, the present invention can achieve both high performance and data security of persistent memory, and provide technical support for scalability in multi-core scenario.