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System and method for managing resource

A resource management system and resource technology, applied in the field of data access or recording, can solve problems such as non-reuse, inefficient resource recycling, inefficient resource allocation, etc., and achieve the effect of improving resource management speed, improving efficiency, and reducing overhead

Active Publication Date: 2011-08-17
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] From the above operation process, it can be seen that the file has always been the role of consuming resources in the existing file system, and the resources recorded in the file can only be used by the file, and cannot be directly used by other files
A large number of block resources are organized into files when they are created, and a large number of block resources are completely recycled when they are deleted; when they are created again, the above block resource allocation operations need to be repeated many times, and the previous block resource allocation results cannot be reused, resulting in Inefficient resource allocation
Block resources can only be used again after recycling to resource organization components, and resources cannot be directly transferred from one file to another, resulting in inefficient resource recycling

Method used

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Embodiment Construction

[0055] Hereinafter, specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings.

[0056] Based on the idea of ​​the present invention, an embodiment of a resource allocation system is provided, such as figure 2 As shown, in addition to the components in the existing resource allocation system, the system also includes file-based resource organization components and control components. In order to distinguish from file-based resource organization components, the same resource organization components in this system as in the existing system are referred to as “traditional resource organization components” hereinafter.

[0057] Based on the file resource organization component, the resources in the file system are organized in the form of files, and an interface for resource allocation and recovery is provided. It includes delete file organization part and truncate file organization part, the index node storing delete...

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Abstract

The invention provides a resource management system and a method. The resource management system comprises a file resource-based organization component used for storing the index node of a file provided with idle resources; and a file operating unit used for directly performing resource management to the index node stored in the file resource-based organization component. Because the resource management is performed by using the system, the results of resource allocation can be reused, and the efficiency of resource allocation can be improved; resource recovery is not required as for the filedeletion, and thereby the cost of the resource recovery can be reduced; the modification operation of the related data structure during the processes of resource allocation and recovery is greatly reduced, and the speed for resource management can be increased.

Description

technical field [0001] The invention relates to a data access or recording method, in particular to a resource management system and method. Background technique [0002] Resource management is the management of index node resources and block resources. It is the main functional operation of the file system, and the efficiency of resource management affects the overall efficiency of the file system. [0003] In existing file systems, such as ext2, ext3, JFS, ReiserFS, etc., resource management generally adopts a bitmap method, and the 0 / 1 value of a bit in the bitmap is used to mark the idle / occupied status of the resource described; in addition, Some file systems, such as DCFS2 and GFS, adopt the extended block (extent) method, and use the (starting block number, quantity) two-tuple to represent a continuous idle resource. [0004] Such as figure 1 As shown, the existing resource management system includes a file operation component and a resource organization component. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 张军伟张敬亮刘浏
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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