CN109656874A - Binary file management system implementation method - Google Patents
Binary file management system implementation method Download PDFInfo
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- CN109656874A CN109656874A CN201811469630.8A CN201811469630A CN109656874A CN 109656874 A CN109656874 A CN 109656874A CN 201811469630 A CN201811469630 A CN 201811469630A CN 109656874 A CN109656874 A CN 109656874A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 claims description 3
- 238000000547 structure data Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 abstract description 50
- 238000010586 diagram Methods 0.000 description 4
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0667—Virtualisation aspects at data level, e.g. file, record or object virtualisation
Abstract
The present invention relates to a kind of management method of file management system more particularly to a kind of binary file management system implementation methods, belong to multimedia file management technical field.A kind of binary file management system implementation method, include the following steps: that one, accumulator space management unit implements storage space address administration, data block initial address and data block status currently in use, that need to delete or need to distribute are recorded by data block attribute record chained list；Two, the data block information of memory cell data block control logic cell call accumulator space management unit and be used to inquire, modify or edit block management data list state realization block management data；Three, read-write control unit connects memory cell data block control logic unit, realizes and the asynchronous read and write of data block is controlled or synchronized Read-write Catrol；Four, virtual file read-write control unit is located between read-write control unit and reliability read-write and the double-unit system Read-write Catrol interface layer of non-reliability read-write.
Description
Technical field
The present invention relates to a kind of management method of file management system more particularly to a kind of binary file management system are real
Existing method, belongs to multimedia file management technical field.
Background technique
Multimedia file management system includes classification, storage, lookup and the preview to multimedia document, multimedia messages
Often because data block storage mode is single, memory space fragmentation increases the utilization rate for influencing storage equipment for storage, easily reduces read-write
The utilization rate of efficiency and memory space.
Summary of the invention
In view of the above problems, the present invention provides a kind of binary file management system implementation methods.
The technical scheme to solve the above technical problems is that
A kind of binary file management system implementation method, includes the following steps:
One, accumulator space management unit implements storage space address administration, is remembered by data block attribute record chained list
Record data block initial address and data block status currently in use, that need to delete or need to distribute；
Two, the data block information of memory cell data block control logic cell call accumulator space management unit and it is used to
The state of inquiry, modification or editor's block management data list realizes block management data；
Three, read-write control unit connects memory cell data block control logic unit, realizes the asynchronous read and write to data block
Control or synchronous Read-write Catrol；
Four, virtual file read-write control unit is located at pair of read-write control unit and reliability read-write and the read-write of non-reliability
Between mechanism Read-write Catrol interface layer, file virtualization is realized by the structure management more refined to file internal；
Five, reliability read-write connect with the double-unit system Read-write Catrol interface that non-reliability is read and write with read-write control unit or
It is connect with virtual file read-write control unit, complete creation, modification or deletes reliability file or non-reliability file, specified
The read-write mode of multimedia file is asynchronously or synchronously to read and write, and is read and write by reliability read-write and the double-unit system of non-reliability read-write
Control interface completes the replacement between the file system in operating system or realizes the mounting to the following new operating system.
Preferably, read-write control unit includes file attribute control unit, and file attribute control unit is in virtual file mark
Will is connect when being "Yes" with virtual file read-write control unit.
Preferably, file attribute control unit is for file read-write control management, when file type passes through reliability data
When the double-unit system Read-write Catrol interface of read-write and the read-write of non-reliability data, it is designated as being defaulted to when reliability data using small
Type data block or pressure are appointed as large data block；It is designated as defaulting to when non-reliability data and uses large data block or strong
System is appointed as small-sized data block.
Preferably, file attribute control unit executes file attribute management, and file attribute management includes file directory, specific item
File management under record management and catalogue at different levels.
Preferably, virtual file read-write control unit manages the internal virtual file Ziwen that non-reliability file is mother file
Structure and data, the subfile of part group position conversion and virtual file read-write control unit reading and writing data location retrieval and lock
It is fixed.
Preferably, the creation process of reliability file includes the following steps:
One, reliability file is created by Read-write Catrol interface, including by memory allocation to small data block, appointment institute
Space address chained list, the reliability read-write type mark used is "Yes", and virtual file mark is " non-"；
Two, continue to distribute when distribution data number of blocks is inadequate, three, creation file completion terminate when read-write error is excessive
Read-write, creation file failure.
Preferably, the creation process of non-reliability file includes the following steps:
One, non-reliability file is created by Read-write Catrol interface, including by memory allocation to large and small data block,
Space address chained list used in assigning, non-reliability read-write type mark and virtual file mark are "Yes"；Two, data are distributed
Continue to distribute when number of blocks is inadequate；
Three, the misregistration when read-write error, read-write continue；
Four, it when file structure data is that small data block manages, is read and write by reliability data read-write mode, non-reliability
Data file is completed by long data block management, creation file.
Preferably, the virtual file creation process based on non-reliability file includes the following steps:
One, non-reliability file is bound, including when file size deficiency, the failure of creation file, virtual file mark are
"Yes", non-reliability read-write type mark and virtual file are subfile, are mother file by virtual file；
Two, creation reliability file is for managing virtual file structure and attribute；
Three, non-reliability file is created for managing virtual non-reliability data；
Four, creation file is completed, and when attribute management file read-write mistake is excessive, terminates read-write, creation file failure.
Preferably, non-reliability file includes voice data file and video stream data file.
Preferably, reliability file includes file, text file, database file and the data encryption of management file structure
File is decrypted, non-reliability file includes the file of the body of data part of audio, the files in stream media of video and digital picture.
Compared with prior art, the beneficial effects of the present invention are: using small-sized data block when being designated as reliability file,
Specified large data block or small-sized data block when for the read-write of non-reliability data, thus guarantee multimedia file read-write efficiency with
And the utilization efficiency of memory space, memory space fragmentation is reduced, document alignment is high-efficient.
Detailed description of the invention
Fig. 1 is flowage structure schematic diagram of the present invention,
Fig. 2 is reliability file creation process schematic diagram of the present invention,
Fig. 3 is the non-reliability file creation process schematic diagram of the present invention,
Fig. 4 is that the present invention is based on the virtual files of non-reliability file to create process schematic,
Fig. 5 is virtual file structure schematic diagram of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
A kind of binary file management system implementation method, includes the following steps:
One, accumulator space management unit implements storage space address administration, is remembered by data block attribute record chained list
Record data block initial address and data block status currently in use, that need to delete or need to distribute；
Two, the data block information of memory cell data block control logic cell call accumulator space management unit and it is used to
The state of inquiry, modification or editor's block management data list realizes block management data；
Three, read-write control unit connects memory cell data block control logic unit, realizes the asynchronous read and write to data block
Control or synchronous Read-write Catrol；
Four, virtual file read-write control unit is located at pair of read-write control unit and reliability read-write and the read-write of non-reliability
Between mechanism Read-write Catrol interface layer, file virtualization is realized by the structure management more refined to file internal；
Five, reliability read-write connect with the double-unit system Read-write Catrol interface that non-reliability is read and write with read-write control unit or
It is connected by virtual file read-write control unit, complete creation, modification or deletes reliability file or non-reliability file, referred to
The read-write mode for determining multimedia file is asynchronously or synchronously to read and write, and is read by reliability read-write and the double-unit system of non-reliability read-write
It writes the replacement between the file system in control interface completion operating system or realizes the mounting to the following new operating system.It reads
Writing control unit includes file attribute control unit, and file attribute control unit is when virtual file mark is "Yes" and virtual literary
The connection of part read-write control unit.File attribute control unit is for file read-write control management, when file type passes through reliability
When reading and writing data and the double-unit system Read-write Catrol interface of non-reliability data read-write, being designated as defaulting to when reliability data makes
With small-sized data block or force to be appointed as large data block；It is designated as defaulting to when non-reliability data using large data block
Or it forces to be appointed as small-sized data block.File attribute control unit executes file attribute management, and file attribute management includes file
File management under catalogue, subdirectory management and catalogue at different levels.Virtual file read-write control unit manages non-reliability file
For the structure and data of the internal virtual file subfile group of mother file, subfile positioning conversion and virtual file Read-write Catrol
The retrieval of cell data read and write position and locking.The creation process of reliability file includes the following steps: one, is connect by Read-write Catrol
Mouth creation reliability file, including by memory allocation to space address chained list, reliability used in small data block, appointment
Read-write type mark is "Yes", and virtual file mark is " non-"；
Two, continue to distribute when distribution data number of blocks is inadequate；
Three, creation file is completed, and read-write, creation file failure are terminated when read-write error is excessive.
The creation process of non-reliability file includes the following steps:
One, non-reliability file is created by Read-write Catrol interface, including by memory allocation to large and small data block,
Space address chained list used in assigning, non-reliability read-write type mark and virtual file mark are "Yes"；
Two, continue to distribute when distribution data number of blocks is inadequate；
Three, the misregistration when read-write error, read-write continue；
Four, it when file structure data is that small data block manages, is read and write by reliability data read-write mode, non-reliability
Data file is completed by long data block management, creation file.
Virtual file creation process based on non-reliability file includes the following steps:
One, non-reliability file is bound, including when file size deficiency, the failure of creation file, virtual file mark are
"Yes", non-reliability read-write type mark and virtual file are subfile, are mother file by virtual file；
Two, creation reliability file is for managing virtual file structure and attribute；
Three, non-reliability file is created for managing virtual non-reliability data；
Four, creation file is completed, and when attribute management file read-write mistake is excessive, terminates read-write, creation file failure.
Non- reliability file includes voice data file and video stream data file.Reliability file includes management file knot
File, text file, database file and the data ciphering and deciphering file of structure, non-reliability file include the stream of audio, video
The file of the body of data part of media file and digital picture.
Working principle
Request items [1]
File system management mechanism: 1. accumulator space management units；2. memory cell data block control logic；3. file
Attribute management and the either synchronously or asynchronously read-write control unit of Read-write Catrol ability；4. virtual file read-write control unit；5. can
It is constituted by the part such as property reading and writing data and the double-unit system Read-write Catrol interface of non-reliability data read-write.
Request items [2]
It is realized according to 1. accumulator space management units mentioned in request items [1] by data block attribute record chained list
The function of different size data block is managed, different size of data block can refer in formatting procedure according to definition data block constant
It is fixed to complete.
Request items [3]
According to 2. memory cell data block control logic mentioned in request items [1], may be implemented for different size
Data block chained list implement certain data block index, attribute modification etc. operation, to complete the deletion of data block, use, increase
The information record such as it is subordinate to.
Request items [4]
According to 3. file attribute management mentioned in request items [1] and the either synchronously or asynchronously read-write of Read-write Catrol ability
Control unit may be implemented: when file type is read and write by the read-write of 5 reliability datas and the double-unit system of non-reliability data read-write
Control interface is designated as specifying large-scale number using small-sized data block, when reading and writing non-reliability data when reliability file
According to block or small-sized data block, to guarantee the utilization efficiency of read-write efficiency and memory space, memory space fragmentation is reduced.
Request items [5]
According to 3. file attribute management mentioned in request items [4] and the either synchronously or asynchronously read-write of Read-write Catrol ability
Control unit either works in read-write reliability file mode, is also non-reliability Work mode, in previous file data
After read-write process, can specify in real time next time file read-write mode be asynchronous read and write or synchronous read-write.Support four kinds
Combination: a, reliability file synchronization read-write, b, reliability file asynchronous read and write, c, non-reliability file synchronization read-write, d, it is non-can
By property file asynchronous read and write.
Request items [6]
According to 4. virtual file read-write control units mentioned in request items [1], request items [5] structure with
In method, is realized by this unit in a biggish non-reliability file internal, multifile subsystem is constructed, for managing
Read and write multiple virtual non-reliability files.It in such a mode, is by specified text as the non-reliability file of mother file
What part type and file size were established, once established, for the data area of mother file, non-reliability read-write mode is invalid,
And mother file can only be deleted integrally to which virtual file is all deleted.
Request items [7]
It is read and write according to 5. reliability datas read-write mentioned in request items [1] and the double-unit system of non-reliability data read-write
Control interface, by this interface, developer can specify the type for establishing file, or creation is based on some non-reliability file
Virtual File System.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of binary file management system implementation method, which comprises the steps of:
One, accumulator space management unit implements storage space address administration, just by data block attribute record chained list record
In data block initial address and data block status use, needing to delete or need to distribute；
Two, the data block information of memory cell data block control logic cell call accumulator space management unit and be used to look into
It askes, the state realization block management data of modification or editor's block management data list；
Three, read-write control unit connects memory cell data block control logic unit, realizes and controls the asynchronous read and write of data block
Or synchronous Read-write Catrol；
Four, virtual file read-write control unit is located at the double-unit system of read-write control unit and reliability read-write and the read-write of non-reliability
Between Read-write Catrol interface layer, file virtualization is realized by the structure management more refined to file internal；
Five, reliability read-write connect or passes through with read-write control unit with the double-unit system Read-write Catrol interface that non-reliability is read and write
The connection of virtual file read-write control unit completes creation, modification or deletes reliability file or non-reliability file, specifies more
The read-write mode of media file is asynchronously or synchronously to read and write, and is read and write and is controlled by the double-unit system of reliability read-write and the read-write of non-reliability
Interface processed completes the replacement between the file system in operating system or realizes the mounting to the following new operating system.
2. binary file management system implementation method according to claim 1, which is characterized in that read-write control unit packet
Include file attribute control unit, file attribute control unit when virtual file mark is "Yes" with virtual file Read-write Catrol list
Member connection.
3. binary file management system implementation method according to claim 2, which is characterized in that file attribute control is single
Member is for file read-write control management, when file type passes through the double-unit system of reliability data read-write and the read-write of non-reliability data
When Read-write Catrol interface, it is designated as being defaulted to when reliability data using small-sized data block or forces to be appointed as large data
Block；It is designated as being defaulted to when non-reliability data using large data block or forces to be appointed as small-sized data block.
4. binary file management system implementation method according to claim 2, which is characterized in that file attribute control is single
Member executes file attribute management, and file attribute management includes the file pipe under file directory, subdirectory management and catalogue at different levels
Reason.
5. binary file management system implementation method according to claim 1, which is characterized in that virtual file read-write control
The non-reliability file of Single Component Management processed is that the structure of the internal virtual file subfile group of mother file and data, subfile position
Conversion and virtual file read-write control unit reading and writing data location retrieval and locking.
6. binary file management system implementation method according to claim 1, which is characterized in that the wound of reliability file
The process of building includes the following steps:
One, reliability file is created by Read-write Catrol interface, including memory allocation is used to small data block, appointment
Space address chained list, reliability read-write type mark be "Yes", virtual file mark be " non-"；
Two, continuing to distribute when distribution data number of blocks is inadequate, three, creation file completion terminate read-write when read-write error is excessive,
Create file failure.
7. binary file management system implementation method according to claim 1, which is characterized in that non-reliability file
Creation process includes the following steps:
One, non-reliability file is created by Read-write Catrol interface, including gives memory allocation to large and small data block, appointment
Used space address chained list, non-reliability read-write type mark and virtual file mark are "Yes"；
Two, continue to distribute when distribution data number of blocks is inadequate；
Three, the misregistration when read-write error, read-write continue；
Four, it when file structure data is that small data block manages, is read and write by reliability data read-write mode, non-reliability data
File is completed by long data block management, creation file.
8. binary file management system implementation method according to claim 7, which is characterized in that based on non-reliability text
The virtual file creation process of part includes the following steps: one, the non-reliability file of binding, including when file size deficiency, wound
Build file failure, virtual file mark is that "Yes", non-reliability read-write type mark and virtual file are subfile, by virtual text
Part is mother file；
Two, creation reliability file is for managing virtual file structure and attribute；
Three, non-reliability file is created for managing virtual non-reliability data；
Four, creation file is completed, and when attribute management file read-write mistake is excessive, terminates read-write, creation file failure.
9. binary file management system implementation method according to claim 1, which is characterized in that non-reliability file packet
Include voice data file and video stream data file.
10. binary file management system implementation method according to claim 1, which is characterized in that reliability file packet
File, text file, database file and data ciphering and deciphering file containing management file structure, non-reliability file include sound
Frequently, the file of the body of data part of the files in stream media of video and digital picture.
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