CN109522286A - The treating method and apparatus of file system - Google Patents
The treating method and apparatus of file system Download PDFInfo
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- CN109522286A CN109522286A CN201811400865.1A CN201811400865A CN109522286A CN 109522286 A CN109522286 A CN 109522286A CN 201811400865 A CN201811400865 A CN 201811400865A CN 109522286 A CN109522286 A CN 109522286A
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Abstract
Treating method and apparatus of the disclosure about a kind of file system, comprising: read and load the corresponding relationship of multiple file system and identifier；The store path of the file in multiple file system is obtained respectively；According to the corresponding relationship of file system and identifier, the store path of the file in respectively each file system matches corresponding identifier.When accessing any file, the file in corresponding file system is accessed according to the matched identifier of store path, to guarantee data volume relative equilibrium between multiple file system, configuration is simple.
Description
Technical field
This disclosure relates to field of computer technology more particularly to a kind for the treatment of method and apparatus of file system.
Background technique
With various smart machine functions enrich constantly with it is powerful, the file in smart machine operating system is also increasingly
It is abundant.Due in operating system there are multiple independent file system, for the ease of the management and use to multiple file system,
It needs to bring into this multiple file system in one unified global namespace space (nameapace).Consequently facilitating intelligence is set
Standby user is accessed and is used above-mentioned multiple independent file system by the unified file system.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind for the treatment of method and apparatus of file system.Institute
It is as follows to state technical solution:
According to the first aspect of the embodiments of the present disclosure, a kind of processing method of file system is provided, comprising:
Read and load the corresponding relationship of multiple file system and identifier；
The store path of the file in the multiple file system is obtained respectively；
According to the corresponding relationship of the file system and identifier, the storage road of the file in respectively each file system
Diameter matches corresponding identifier, wherein when accessing any file, accesses corresponding text according to the matched identifier of store path
The file in part system.
Method as described above, the identifier are asterisk wildcard, the file system and identifier that the basis pre-establishes
Corresponding relationship, the store path of each file in respectively each file system configures corresponding identifier and includes:
Corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
Method as described above, the identifier are prefix trees, the file system and identifier that the basis pre-establishes
Corresponding relationship, the store path of each file in respectively each file system configures corresponding identifier and includes:
Corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
Method as described above, the identifier are suffix tree, the file system and identifier that the basis pre-establishes
Corresponding relationship, the store path of each file in respectively each file system configures corresponding identifier and includes:
The end position of the store path of each file in each file system adds corresponding suffix tree respectively.
Method as described above, further includes:
When newly-increased file system, corresponding identifier is created for the newly-increased file system, and in the file system
Increase the corresponding relationship of the corresponding identifier of the newly-increased file system in system and the corresponding relationship of identifier.
According to the second aspect of an embodiment of the present disclosure, a kind of processing unit of file system is provided, comprising:
Read module, for reading and loading the corresponding relationship of multiple file system and identifier；
Module is obtained, for obtaining the store path of the file in the multiple file system respectively；
Processing module, for the corresponding relationship according to the file system and identifier, in respectively each file system
The store path of file match corresponding identifier, wherein when accessing any file, according to the matched mark of store path
Symbol accesses the file in corresponding file system.
Device as described above, the identifier are asterisk wildcard, and the processing module is used for:
Corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
Device as described above, the identifier are prefix trees, and the processing module is used for:
Corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
Device as described above, the identifier are suffix tree, and the processing module is used for:
The end position of the store path of each file in each file system adds corresponding suffix tree respectively.
Device as described above, further includes:
Update module, for creating corresponding identifier for the newly-increased file system when newly-increased file system, and
Increase pair of the corresponding identifier of the newly-increased file system in the corresponding relationship of the file system and identifier
It should be related to.
The technical scheme provided by this disclosed embodiment can include the following benefits: by reading and loading multiple texts
The corresponding relationship of part system and identifier obtains the store path of the file in multiple file system respectively, according to this document system
The store path of system and the corresponding relationship of identifier, the file in respectively each file system matches corresponding identifier,
In, when accessing any file, the file in corresponding file system is accessed according to the matched identifier of store path, by
This is easy the loading condition by file by the matching of flexible identifier to match the storage of file in each file system
Path, to guarantee the data volume relative equilibrium between multiple file system, configuration is simple, is easily managed and O&M.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of flow chart of the processing method of file system shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of the processing method of file system shown according to an exemplary embodiment.
Fig. 3 is a kind of block diagram of the processing unit of file system shown according to an exemplary embodiment.
Fig. 4 is a kind of block diagram of the processing unit of file system shown according to an exemplary embodiment.
Fig. 5 is a kind of block diagram of the processing unit of file system shown according to an exemplary embodiment.
Through the above attached drawings, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings
It is not intended to limit the scope of this disclosure concept by any means with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the disclosure.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
With various smart machine functions enrich constantly with it is powerful, the file in smart machine operating system is also increasingly
It is abundant.There are multiple independent file system in operating system needs for the ease of the management and use to multiple file system
This multiple operating system is brought into a unified global namespace space (nameapace), consequently facilitating smart machine
User is accessed and is used above-mentioned multiple independent file system by the unified file system.
Wherein, file system is operating system for clearly (commonly disk also to have based on NAND storage equipment
The solid state hard disk of Flash) or the file on subregion method and data structure；That is the method for constituent act on a storage device.
It is responsible for management in operating system and the software mechanism of storage file information is known as file management system, abbreviation file system.
Currently, multiple file system can be brought into a unified global namespace space by following scheme.
For example, using the mode of an installation point mapping table (mount point table) by different mesh in client
Record is mapped in different file system.This scheme will lead to the data volume between file system and be easy to imbalance, cause
Space waste increases storage and O&M cost.
For example, being calculated by carrying out Hash (hash) to file path, and the cryptographic Hash by obtaining arrives File Mapping
In different file system.In this scheme, needs to solve Hash (rehash) when increasing file system, need in text
Mass data is copied between part system, it is time-consuming and laborious.It is externally serviced during copy if necessary, then the complexity that system is realized
It can steeply rise, greatly increase maintenance cost.
For example, quoting alternative document in single file system by creating the special file (junction point) that jumps
System.But it is also a file due to jumping file itself, once there is a situation where that it is easy to appear data is inconsistent for maloperation
And it is difficult to repair.Meanwhile rights management also becomes relatively difficult.In general, the cost managed and maintained is relatively high.
Fig. 1 is a kind of flow chart of the processing method of file system shown according to an exemplary embodiment, such as Fig. 1 institute
Show, the processing method of this document system is for including the following steps in terminal.
In step s 11, read and load the corresponding relationship of multiple file system and identifier.
In step s 12, the store path of the file in multiple file system is obtained respectively.
In step s 13, according to the corresponding relationship of the file system and identifier, in respectively each file system
The store path of file matches corresponding identifier.Wherein, when accessing any file, according to the matched identifier of store path
Access the file in corresponding file system.
Specifically, the identifier in target store path can be closed with above-mentioned multiple file system and the corresponding of identifier
System is matched, to determine the corresponding file system of target store path and access.
In some embodiments of the present disclosure, above-mentioned identifier may include regular expression asterisk wildcard, prefix trees, suffix tree
And regular expression etc..
The corresponding relationship of above-mentioned multiple file system and identifier pre-establishes, and is storable in High Availabitity
In system or server, such as ZooKeeper (a kind of distributed application program coordination service) or a kind of etcd (service discovery
Storage repository).Terminal or equipment end can obtain above-mentioned multiple file system and mark based on the communication with above system or server
Know the corresponding relationship of symbol, and is loaded into memory, and can update at any time.
In some embodiments of the present disclosure, above-mentioned identifier can be asterisk wildcard, and the basis in step S13 pre-establishes
File system and identifier corresponding relationship, the store path of the file in respectively each file system configures corresponding mark
Know symbol can include:
Corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
Wherein, asterisk wildcard is a kind of special sentence, can be keypad character, it may include asterisk (*) and question mark (?), it is used to
Search for file generally.When locating file folder, it can be used to replace one or more real characters；When not knowing real word
When according with or being disinclined to input complete name, it is often used asterisk wildcard and replaces one or more real characters.Asterisk wildcard is also one
Very common technology, learning cost is very low, easy to maintain.
The corresponding relationship of above-mentioned file system and identifier can be the form of mapping table.For example, it can be following
Form:
/ user/A/*- > file system A；
/ user/B/*- > file system B.
In some embodiments of the present disclosure, above-mentioned identifier can be prefix trees, and the basis in step S13 pre-establishes
File system and identifier corresponding relationship, the store path of the file in respectively each file system configures corresponding mark
Knowing symbol includes:
Corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
In some embodiments of the present disclosure, above-mentioned identifier can be suffix tree, and the basis in step S13 pre-establishes
File system and identifier corresponding relationship, the store path of the file in respectively each file system configures corresponding mark
Knowing symbol includes:
The end position of the store path of each file in each file system adds corresponding suffix tree respectively.
In some embodiments of the present disclosure, above-mentioned identifier can be regular expression.
It should be noted that above-mentioned asterisk wildcard itself can be regarded as a subset of regular expression.Regular expression
Function it is more powerful for asterisk wildcard, but regular expression is also more complicated, and study and maintenance cost are also higher, therefore can
Selection uses asterisk wildcard or regular expression as needed in practical applications.
When client needs to visit target and asks file, can by corresponding access path (i.e. the store path of the file destination,
Can be described as target store path) it is compared and matches with file system with the corresponding relationship of identifier, therefrom to find correspondence
File system access.
The processing method for the file system that embodiment of the disclosure provides, by reading and loading multiple file system and mark
The corresponding relationship for knowing symbol, obtains the store path of the file in multiple file system, according to this document system and identifier respectively
Corresponding relationship, the store path of the file in respectively each file system matches corresponding identifier, wherein appoints in access
When one file, the file in corresponding file system is accessed according to the matched identifier of store path, from there through flexible
Identifier matching, be easy loading condition by file to match the store path of file in each file system, to protect
Demonstrate,prove the data volume relative equilibrium between multiple file system, configuration is simple, is easily managed and O&M.
Fig. 2 is a kind of flow chart of the processing method of file system shown according to an exemplary embodiment.
In the step s 21, read and load the corresponding relationship of multiple file system and identifier.
In step S22, the store path of the file in multiple file system is obtained respectively.
In step S23, according to the corresponding relationship of the file system and identifier, in respectively each file system
The store path of file matches corresponding identifier, wherein when accessing any file, according to the matched identifier of store path
Access the file in corresponding file system.
In step s 24, when newly-increased file system, corresponding identifier is created for the newly-increased file system, and
Increase pair of the corresponding identifier of the newly-increased file system in the corresponding relationship of the file system and identifier
It should be related to.
Wherein, the explanation of step S21-S23 can be found in the step S11-S13 in embodiment described in Fig. 1.
The processing method for the file system that embodiment of the disclosure provides can pass through creation in newly-increased file system
Increase the corresponding identifier of newly-increased file system, and it is newly-increased in the corresponding relationship of file system and identifier to increase this
The new configuration item of the corresponding relationship of the corresponding identifier of file system allows on new File Mapping to new file system, and
It does not need to copy old data, easy to operate S is simple, to reduce the cost managed and maintained.
Fig. 3 is a kind of block diagram of the processing method device of file system shown according to an exemplary embodiment.Referring to figure
3, which includes read module 131, obtains module 132 and processing module 133.
The read module 131 is configured as reading and loading the corresponding relationship of multiple file system and identifier.
The acquisition module 132 is configured to obtain the store path of the file in multiple file system.
The processing module 133 is configured as the corresponding relationship according to the file system and identifier, respectively each text
The store path of file in part system matches corresponding identifier.Wherein, when accessing any file, according to store path
The identifier matched accesses the file in corresponding file system.
In some embodiments of the present disclosure, above-mentioned identifier can be asterisk wildcard, which can be configured
Are as follows: corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
In some embodiments of the present disclosure, above-mentioned identifier can be prefix trees, which can be configured
Are as follows: corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
In some embodiments of the present disclosure, above-mentioned identifier can be suffix tree, which can be configured
Are as follows: the end position of the store path of each file in each file system adds corresponding suffix tree respectively.
In some embodiments of the present disclosure, above-mentioned identifier can be regular expression.
The processing unit for the file system that embodiment of the disclosure provides, by reading and loading multiple file system and mark
The corresponding relationship for knowing symbol, obtains the store path of the file in multiple file system, according to this document system and identifier respectively
Corresponding relationship, the store path of the file in respectively each file system matches corresponding identifier, wherein appoints in access
When one file, the file in corresponding file system is accessed according to the matched identifier of store path, from there through flexible
Identifier matching, be easy loading condition by file to match the store path of file in each file system, to protect
Demonstrate,prove the data volume relative equilibrium between multiple file system, configuration is simple, is easily managed and O&M.
Fig. 4 is a kind of block diagram of the processing method device of file system shown according to an exemplary embodiment.Referring to figure
4, which includes read module 131, obtains module 132, processing module 133 and update module 141.
The update module 141 is configured as when newly-increased file system, corresponding for the newly-increased file system creation
Identifier, and increase the corresponding mark of the newly-increased file system in the corresponding relationship of the file system and identifier
Know the corresponding relationship of symbol.
The processing unit for the file system that embodiment of the disclosure provides can pass through creation in newly-increased file system
Increase the corresponding identifier of newly-increased file system, and it is newly-increased in the corresponding relationship of file system and identifier to increase this
The new configuration item of the corresponding relationship of the corresponding identifier of file system allows on new File Mapping to new file system, and
It does not need to copy old data, it is easy to operate simple, to reduce the cost managed and maintained.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 5 is a kind of block diagram of the processing unit 500 of file system shown according to an exemplary embodiment.For example, dress
Setting 500 can be mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical treatment
Equipment, body-building equipment, personal digital assistant etc..
Referring to Fig. 5, device 500 may include following one or more components: processing component 502, memory 504, power supply
Component 506, multimedia component 508, audio component 510, the interface 512 of input/output (I/O), sensor module 514, and
Communication component 516.
The integrated operation of the usual control device 500 of processing component 502, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 502 may include that one or more processors 520 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 502 may include one or more modules, just
Interaction between processing component 502 and other assemblies.For example, processing component 502 may include multi-media module, it is more to facilitate
Interaction between media component 508 and processing component 502.
Memory 504 is configured as storing various types of data to support the operation in equipment 500.These data are shown
Example includes the instruction of any application or method for operating on device 500, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 504 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 may include power management system
System, one or more power supplys and other with for device 500 generate, manage, and distribute the associated component of electric power.
Multimedia component 508 includes the screen of one output interface of offer between described device 500 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 508 includes a front camera and/or rear camera.When equipment 500 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 510 is configured as output and/or input audio signal.For example, audio component 510 includes a Mike
Wind (MIC), when device 500 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 504 or via communication set
Part 516 is sent.In some embodiments, audio component 510 further includes a loudspeaker, is used for output audio signal.
I/O interface 512 provides interface between processing component 502 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 514 includes one or more sensors, and the state for providing various aspects for device 500 is commented
Estimate.For example, sensor module 514 can detecte the state that opens/closes of equipment 500, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 500, and sensor module 514 can be with 500 1 components of detection device 500 or device
Position change, the existence or non-existence that user contacts with device 500,500 orientation of device or acceleration/deceleration and device 500
Temperature change.Sensor module 514 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 514 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device
500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 516 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 500 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 504 of instruction, above-metioned instruction can be executed by the processor 520 of device 500 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of processing method of file system characterized by comprising
Read and load the corresponding relationship of multiple file system and identifier；
The store path of the file in the multiple file system is obtained respectively；
According to the corresponding relationship of the file system and identifier, the store path of the file in respectively each file system
With corresponding identifier, wherein when accessing any file, access corresponding file system according to the matched identifier of store path
The file in system.
2. the method as described in claim 1, which is characterized in that the identifier is asterisk wildcard, what the basis pre-established
The store path of the corresponding relationship of file system and identifier, the file in respectively each file system configures corresponding mark
Symbol includes:
Corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
3. the method as described in claim 1, which is characterized in that the identifier is prefix trees, what the basis pre-established
The store path of the corresponding relationship of file system and identifier, the file in respectively each file system configures corresponding mark
Symbol includes:
Corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
4. the method as described in claim 1, which is characterized in that the identifier is suffix tree, what the basis pre-established
The store path of the corresponding relationship of file system and identifier, the file in respectively each file system configures corresponding mark
Symbol includes:
The end position of the store path of each file in each file system adds corresponding suffix tree respectively.
5. method according to any of claims 1-4, which is characterized in that further include:
When newly-increased file system, create corresponding identifier for the newly-increased file system, and the file system with
Increase the corresponding relationship of the corresponding identifier of the newly-increased file system in the corresponding relationship of identifier.
6. a kind of processing unit of file system characterized by comprising
Read module, for reading and loading the corresponding relationship of multiple file system and identifier；
Module is obtained, for obtaining the store path of the file in the multiple file system respectively；
Processing module, the text for the corresponding relationship according to the file system and identifier, in respectively each file system
The store path of part matches corresponding identifier, wherein when accessing any file, is visited according to the matched identifier of store path
Ask the file in corresponding file system.
7. device as claimed in claim 6, which is characterized in that the identifier is asterisk wildcard, and the processing module is used for:
Corresponding asterisk wildcard is added in the initial position of the store path of each file in each file system respectively.
8. device as claimed in claim 6, which is characterized in that the identifier is prefix trees, and the processing module is used for:
Corresponding prefix trees are added in the initial position of the store path of each file in each file system respectively.
9. device as claimed in claim 6, which is characterized in that the identifier is suffix tree, and the processing module is used for:
The end position of the store path of each file in each file system adds corresponding suffix tree respectively.
10. device as claim in any one of claims 6-9, which is characterized in that further include:
Update module, for creating corresponding identifier for the newly-increased file system, and in institute when newly-increased file system
State the corresponding pass for increasing the corresponding identifier of the newly-increased file system in file system and the corresponding relationship of identifier
System.
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