File access method and apparatus, and storage device
US10067684B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2017 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | May 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7201
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A file access method and apparatus, and a storage device are presented, where the file access method is applied to a storage device in which a file system is established based on a memory. The storage device obtains, according to a file identifier of a to-be-accessed first target file, an index node of the first target file in metadata, where the index node of the first target file stores information about first virtual space of the first target file in global virtual space. The storage device maps the first virtual space onto second virtual space of a process, and performs addressing on an added file management register to access the first target file according to a start address of the first virtual space and a base address of a page directory of the global file page table stored in the file management register.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.