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Electronic device and data access method thereof

An electronic device and data access technology, applied in the direction of memory address/allocation/relocation, input/output to record carrier, etc., can solve problems such as increasing system load, prolonging application process processing time, and not being able to effectively support NTFS, etc. Achieve the effect of reducing the number of file copies

Active Publication Date: 2014-10-22
ALI ZHUHAI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, before the application process A obtains the required data file through the operating system, the data file has actually been moved and copied multiple times by the operating system by operating the hard disk, resulting in prolonging the processing time of the application process and generating unnecessary HDD read action
[0005] In particular, for electronic devices that need to record or play audio and video in real time (such as a digital video converter box (set-top box, STB)), any slight delay may cause serious errors in the image or sound, and cause lead to problems such as reduced system availability
In addition, most non-Microsoft operating systems cannot effectively support NTFS
To maintain the basic support of the Linux operating system for NTFS (for example, basic data read and write operations can be performed), the Linux operating system needs to run additional NTFS file system drivers (for example, NTFS-3G), additional system load

Method used

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  • Electronic device and data access method thereof
  • Electronic device and data access method thereof
  • Electronic device and data access method thereof

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Embodiment Construction

[0034] figure 1 It is a schematic diagram of an electronic device 100 and a schematic flowchart of a data access method. Please refer to figure 1 , the electronic device 100 includes a processing device 110 for executing an operating system and application processes, a memory storage 120 for executing software, and a storage device 130 . The processor 110 may be a central processing unit adopted by a computer, a low-power processor adopted by a mobile device, etc. The memory storage 110 may be a dynamic random access memory used by a central processing unit in a computer when executing software. The memory storage 110 can generally be divided into a kernel space 140 and a user space 150 . The kernel space 140 is mainly used by the operating system 160 , and many application processes may use the kernel space 140 and the user space 150 at the same time. In some embodiments, the application process can also only utilize the user space 150 to execute. The storage device 130 ...

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Abstract

The invention provides an electronic device and a data access method thereof. The electronic device comprises a processing device and a storage device. The processing device is used for running an application process through a kernel space and a user space and running an operating system through the kernel space. The storage device is used for storing data in a specified storage space. When the application process transmits a command related to the data to the operating system, the operating system and the related application process replace the data with corresponding storage index information of the specified storage space so as to transmit the command, and no actual data transmission occurs.

Description

technical field [0001] The present invention relates to data access of an electronic device, and in particular to an electronic device related to a file system and a data access method thereof. Background technique [0002] The hard disk and the processor are the two main components that are indispensable in the computer system. The processor controls the hard disk through a file system (File system) running in the operating system, so as to read data from the hard disk or write data to the hard disk. Currently, the file systems used in the market are mainly the file allocation table (File Allocation Table, FAT) file system and the new technology file system or NT file system (New Technology File System; NTFS). The concept of the file system was proposed by Microsoft, so under Microsoft's operating system, both FAT and NTFS can maintain good operation. NTFS is the standard file system mainly used by the Microsoft (Microsoft) operating system at present, and has gradually r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02G06F3/06
Inventor 郭楚灿钱江
Owner ALI ZHUHAI CORP