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Improved joint file system architecture

A joint file system and improved technology, applied in the field of improved joint file system architecture, can solve the problems of not supporting different files to be created or moved to different underlying directories, lack of flexibility, files cannot be migrated, etc.

Pending Publication Date: 2020-04-17
SHENZHEN VIRTUAL CLUSTERS INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (3), Lower Dir A, Dir B - read-only attribute, cannot be deleted or modified, need to use the copy up method
[0010] c. Files cannot be migrated, and it does not support creating or moving different files to different underlying directories, which lacks flexibility

Method used

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Embodiment Construction

[0032] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] refer to figure 2 , image 3 , compared with the existing joint system architecture, the improved joint file system architecture provided by the present invention includes: a joint file system, a Linux kernel state, and a bottom file system; the joint file system is between the Linux kernel state and the bottom file system, The underlying file system is set to be readable and writable, so that the original files can be migrated between the underlying file systems. Preferably, the joint file system architecture is also configured with a file creation strategy decision-making module, and different strategies can be selected when creating a file.

[0034] Wherein, the Linux kernel state adopts the Linux VFS. The underlying file system ...

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Abstract

The invention relates to an improved joint file system architecture which comprises a joint file system, a Linux kernel mode and a bottom-layer file system. The joint file system is located between aLinux kernel mode and a bottom-layer file system, and the bottom-layer file system is set to be readable and writable, so that an original file is migrated between the bottom-layer file systems. The joint file system architecture is further configured with a file new strategy decision module, and different strategies can be selected when a file is newly built. According to the new joint file system architecture, original functions are expanded, the application range is wider, a more flexible control strategy can be set, and various different application fields and requirements are met.

Description

technical field [0001] The invention relates to the computer field, in particular to an improved joint file system architecture. Background technique [0002] A joint file system, also called a cascaded file system, can superimpose the directories of multiple file systems together and present them to users in a unified manner. [0003] For files, the directory at the top level has the highest read and write priority, and if the names are the same, it will block (so that the user cannot see) the files with the same name in the lower level file system. For directories, the content of directories with the same name in the underlying file system will be merged, such as figure 1 Shown: [0004] (1), Merge Dir--the directory displayed to the user after merging all directory files; [0005] (2), Upper Dir - the last directory, the highest priority, you can modify or delete the files and directories; [0006] (3), Lower Dir A, Dir B - read-only attributes, which cannot be delete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/11
CPCG06F16/128G06F16/119
Inventor 刘凯刘毅林鹏程林涛睿梁刚
Owner SHENZHEN VIRTUAL CLUSTERS INFORMATION TECH
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