CN107423454A - The processing method of file lock, device and equipment in a kind of distributed file system - Google Patents
The processing method of file lock, device and equipment in a kind of distributed file system Download PDFInfo
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- CN107423454A CN107423454A CN201710867711.2A CN201710867711A CN107423454A CN 107423454 A CN107423454 A CN 107423454A CN 201710867711 A CN201710867711 A CN 201710867711A CN 107423454 A CN107423454 A CN 107423454A
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- 238000004590 computer program Methods 0.000 claims description 10
- 235000013399 edible fruits Nutrition 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012163 sequencing technique Methods 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/176—Support for shared access to files; File sharing support
- G06F16/1767—Concurrency control, e.g. optimistic or pessimistic approaches
- G06F16/1774—Locking methods, e.g. locking methods for file systems allowing shared and concurrent access to files
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Abstract
The embodiment of the invention discloses processing method, device, equipment and the computer-readable recording medium of file lock in a kind of distributed file system, including receive the lock request of NAS clients transmission；Whether the type for judging lock request is obstruction lock request, if it is, obstruction lock request is added in lock request queue；Sets of threads is handled by the lock pre-established and judges whether lock request queue is empty, if it is not, then using lock processing sets of threads, obtaining corresponding obstruction lock request from lock queue according to preset order, and the obstruction lock request of acquisition is sent to file system.In use, avoid occupancy NSA service ends Central Plains when multiple obstruction lock requests all have mutual exclusion has the problem of thread to the embodiment of the present invention, so as to improve the processing speed of lock request and other requests, improves the stability of system.
Description
Technical field
The present embodiments relate to distributed file system technology field, more particularly in a kind of distributed file system
Processing method, device, equipment and the computer-readable recording medium of file lock.
Background technology
For distributed file system, accessed for the ease of client, NAS (Network Attached can be passed through
Storage, network attached storage) agreement shares out Export directoey, and then client is mounted to file system by NAS agreements
On, and then file system is conducted interviews and operated, when being accessed for multi-client, it will be related at the logic concurrently accessed
Reason.File lock be it is a kind of it is conventional, for ensureing mode that multi-client concurrently accesses, file lock is divided into obstruction lock and non-obstruction
Lock, locked for non-obstruction, when the request of the non-obstruction lock of NAS clients initiation, if NAS service ends are judged in authorized lock
With the lock mutual exclusion, then it can return unsuccessfully to client, otherwise return successfully to NAS clients.And locked for obstruction, if NAS
Service end finds authorized lock and the lock mutual exclusion, then can block the thread for handling lock request, and the thread can be always
It is blocked, until the lock of mutual exclusion is released.If multiple obstructions lock request that NAS clients are initiated has mutual exclusion, can lead
Many threads are caused to be stuck, because the thread that NAS service ends are used for handling lock request in the prior art is fixed, so multi-thread
The obstruction of journey can influence the treatment effeciency to other requests, so as to influence the stability of system.
Therefore, how to provide it is a kind of solve above-mentioned technical problem distributed file system in file lock processing method,
Device, equipment and computer-readable recording medium, which turn into those skilled in the art, to be needed to solve the problems, such as at present.
The content of the invention
The purpose of the embodiment of the present invention is to provide the processing method of file lock in a kind of distributed file system, device, set
Standby and computer-readable recording medium, avoid in use when multiple obstruction lock requests all have mutual exclusion and take NSA clothes
There is the problem of thread in business end Central Plains, so as to improve the processing speed of lock request and other requests, improves the stability of system.
In order to solve the above technical problems, the embodiments of the invention provide a kind of processing of file lock in distributed file system
Method, including：
Receive the lock request of NAS clients transmission；
Whether the type for judging the lock request is obstruction lock request, is added to if it is, the obstruction is locked into request
In lock request queue；
Sets of threads is handled by the lock pre-established and judges whether the lock request queue is empty, if it is not, then utilizing institute
State lock processing sets of threads, obtain corresponding obstruction lock request from the lock queue according to preset order, and by the obstruction of acquisition
Lock request is sent to file system.
Optionally, in addition to：
The response message that the file system returns is received, and the response message is back to the NAS clients.
Optionally, in addition to：
The status information accordingly locked in file lock list is updated according to the response message.
Optionally, the described obstruction lock request is added in lock request queue also includes afterwards：
Blocked state code corresponding with the obstruction lock request is back to the NAS clients.
The embodiment of the present invention provides a kind of processing unit of file lock in distributed file system accordingly, including：
Receiving module, for receiving the lock request of NAS clients transmission；
First judge module, for judging whether the type of the lock request is obstruction lock request, if it is, triggering adds
Add module；
The add module, for the obstruction lock request to be added in lock request queue；
Second judge module, for by the lock that pre-establishes handle sets of threads judge the lock request queue whether be
Sky, if it is not, then triggering sending module；
The sending module, for handling sets of threads using the lock, being obtained according to preset order from described lock in queue
Corresponding obstruction lock request, and the obstruction lock request of acquisition is sent to file system.
Optionally, in addition to module is returned to, the response message returned for receiving the file system, and by the response
Information is back to the NAS clients.
Optionally, in addition to update module, for the shape according to the response message to the corresponding lock in file lock list
State information is updated.
The embodiments of the invention provide a kind of processing equipment of file lock in distributed file system, including：
Memory, for storing computer program；
Processor, file lock in distributed file system as described above is realized during for performing the computer program
The step of processing method.
The embodiments of the invention provide a kind of computer-readable recording medium, stored on the computer-readable recording medium
There is computer program, the computer program realizes file lock in distributed file system as described above when being executed by processor
Processing method the step of.
The embodiments of the invention provide processing method, device, equipment and the meter of file lock in a kind of distributed file system
Calculation machine readable storage medium storing program for executing, including receive the lock request of NAS clients transmission；Whether the type for judging lock request is that obstruction lock please
Ask, if it is, obstruction lock request is added in lock request queue；Sets of threads is handled by the lock pre-established and judges that lock please
Ask whether queue is empty, if it is not, then obtaining corresponding obstruction from lock queue using lock processing sets of threads, according to preset order
Lock request, and the obstruction lock request of acquisition is sent to file system.
NSA service ends in the embodiment of the present invention handle sets of threads and lock request queue come special by the lock pre-set
Processing obstruction lock request, when the lock request of NAS clients transmission is asked for obstruction lock, obstruction lock request is asked added to lock
Ask in queue, and when lock request queue is not space-time, lock processing sets of threads obtains from lock request queue according to preset order
Corresponding obstruction lock request, and send it in file system.The embodiment of the present invention in use, avoids multiple resistances
Plug lock request takes NSA service ends Central Plains when mutual exclusion all be present the problem of thread, so as to improve lock request and other requests
Processing speed, improve the stability of system.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the flow signal of the processing method of file lock in a kind of distributed file system provided in an embodiment of the present invention
Figure；
Fig. 2 is the structural representation of the processing unit of file lock in a kind of distributed file system provided in an embodiment of the present invention
Figure.
Embodiment
The embodiments of the invention provide processing method, device, equipment and the meter of file lock in a kind of distributed file system
Calculation machine readable storage medium storing program for executing, avoid when multiple obstruction lock requests all have mutual exclusion and taken in NSA service ends in use
The problem of original thread, so as to improve the processing speed of lock request and other requests, improve the stability of system.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is the processing method of file lock in a kind of distributed file system provided in an embodiment of the present invention
Schematic flow sheet.
This method includes：
S11：Receive the lock request of NAS clients transmission；
S12：Whether the type for judging lock request is obstruction lock request, if it is, into S13；
S13：Obstruction lock request is added in lock request queue；
S14：Sets of threads is handled by the lock pre-established and judges whether lock request queue is empty, if it is not, then into
S15；
S15：Using lock processing sets of threads, corresponding obstruction lock request is obtained from lock queue according to preset order, and will
The obstruction lock request of acquisition is sent to file system.
It should be noted that pre-establish a lock processing sets of threads and lock again outside the intrinsic thread of NAS service ends
Request queue, the lock, which is handled, can predetermined number lock processing thread in sets of threads.NAS client is received in NAS service ends
After the lock request that end is sent, whether the type for judging lock request is obstruction lock request, when lock request is obstruction lock request,
Lock request is added in the lock request queue pre-established, when the type of lock request locks request for non-obstruction, then pressed
Handled according to normal flow.
The lock processing sets of threads pre-established each can carry out one-time detection by prefixed time interval to lock request queue, sentence
Whether disconnected lock request queue is empty, when lock request queue is not space-time, illustrates to the addition of pending resistance in the lock request queue
Plug lock request, now, lock processing sets of threads can be carried out from lock request queue according to sequencing to each obstruction lock request
Processing, specifically, lock processing sets of threads can be obtained at first added to lock request team according to sequencing from lock request queue
Obstruction lock request in row, and the request of obstruction lock is handled into thread by the lock of free time and sent to file system wait-for-response,
Then next obstruction lock request is obtained again, and thread is still handled by the lock of free time and sent to file system wait-for-response,
So the obstruction lock request in lock request queue is handled one by one, until the obstruction lock request in lock request queue has been handled
Untill finishing.
It should also be noted that, the S12 and S14 in the embodiment of the present invention do not have a sequencing in the process of implementation, in S14
Lock processing sets of threads can be detected to lock request queue in real time, and periodically lock request queue can also be detected,
It is specific unlimited.
Further, this method also includes：
The response message that file system returns is received, and response message is back to NAS clients.
It should be noted that for multiple NAS clients, response message is back to corresponding NAS clients.
Acquired obstruction lock request transmission to file system requests are called accordingly specifically, handling sets of threads in lock
Interface, solicited message of the file system according to obstruction lock request, such as file name, file size and lock type is locked to determine
It is corresponding to lock interface, when the locking interface free time, you can locked by the locking interface, file system is by locking
Response message is back to the lock processing sets of threads for sending obstruction lock request, and lock processing sets of threads is receiving response message
Afterwards, the response message is back to NAS clients.
It should be noted that NAS clients can be multiple, when NAS clients are multiple, lock processing sets of threads will ring
Message is answered to be back to corresponding NAS clients.
Further, this method also includes：
The status information accordingly locked in file lock list is updated according to response message.
It should also be noted that, after lock processing sets of threads receives the response message of file system return, according to response
Information will be updated in listed files with the corresponding state of corresponding document lock, such as is updated to file and the information such as has been locked.
Optionally, also include after obstruction lock request is added in lock request queue：
Blocked state code corresponding with obstruction lock request is back to NAS clients.
Specifically, NAS service ends by the request of the obstruction received lock added to after in lock request convection current, can also be to
NAS clients return to the blocked state code of lock request, so that NAS clients are carried out to the state of corresponding obstruction lock request
Solution.
The embodiments of the invention provide a kind of processing method of file lock in distributed file system, including receive NAS visitors
The lock request that family end is sent；Whether the type for judging lock request is obstruction lock request, if it is, obstruction lock request is added to
In lock request queue；Sets of threads is handled by the lock pre-established and judges whether lock request queue is empty, if it is not, then utilizing lock
Handle sets of threads, obtain obstruction lock request accordingly from lock queue according to preset order, and the obstruction lock of acquisition is asked into hair
Deliver to file system.
NSA service ends in the embodiment of the present invention handle sets of threads and lock request queue come special by the lock pre-set
Processing obstruction lock request, when the lock request of NAS clients transmission is asked for obstruction lock, obstruction lock request is asked added to lock
Ask in queue, and when lock request queue is not space-time, lock processing sets of threads obtains from lock request queue according to preset order
Corresponding obstruction lock request, and send it in file system.The embodiment of the present invention in use, avoids multiple resistances
Plug lock request takes NSA service ends Central Plains when mutual exclusion all be present the problem of thread, so as to improve lock request and other requests
Processing speed, improve the stability of system.
Accordingly the embodiment of the invention also discloses a kind of processing unit of file lock in distributed file system, specifically please
Reference picture 2, Fig. 2 are the structural representation of the processing unit of file lock in a kind of distributed file system provided in an embodiment of the present invention
Figure.On the basis of above-described embodiment：
The device includes：
Receiving module 1, for receiving the lock request of NAS clients transmission；
First judge module 2, for judging whether the type of lock request is obstruction lock request, if it is, triggering addition
Module 3；
Add module 3, for obstruction lock request to be added in lock request queue；
Second judge module 4, handle sets of threads for the lock by pre-establishing and judge whether lock request queue is sky, such as
Fruit is no, then triggers sending module 5；
Sending module 5, for utilizing lock processing sets of threads, being obtained according to preset order from lock queue and block lock accordingly
Request, and the obstruction lock request of acquisition is sent to file system.
Optionally, in addition to module is returned to, for receiving the response message of file system return, and response message is returned
To NAS clients.
Optionally, in addition to update module, for believing according to response message the state of the corresponding lock in file lock list
Breath is updated.
NSA service ends in the embodiment of the present invention handle sets of threads and lock request queue come special by the lock pre-set
Processing obstruction lock request, when the lock request of NAS clients transmission is asked for obstruction lock, obstruction lock request is asked added to lock
Ask in queue, and when lock request queue is not space-time, lock processing sets of threads obtains from lock request queue according to preset order
Corresponding obstruction lock request, and send it in file system.The embodiment of the present invention in use, avoids multiple resistances
Plug lock request takes NSA service ends Central Plains when mutual exclusion all be present the problem of thread, so as to improve lock request and other requests
Processing speed, improve the stability of system.
In addition, the tool for the processing method of file lock in distributed file system involved in the embodiment of the present invention
Body introduction refer to above method embodiment, and the application will not be repeated here.
The embodiments of the invention provide a kind of processing equipment of file lock in distributed file system, including：
Memory, for storing computer program；
Processor, realize such as the processing method of file lock in above-mentioned distributed file system during for performing computer program
The step of.
The embodiments of the invention provide a kind of computer-readable recording medium, meter is stored with computer-readable recording medium
Calculation machine program, realized when computer program is executed by processor such as the processing method of file lock in above-mentioned distributed file system
Step.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In the storage medium of any other forms well known in field.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
- A kind of 1. processing method of file lock in distributed file system, it is characterised in that including：Receive the lock request of NAS clients transmission；Whether the type for judging the lock request is obstruction lock request, if it is, please added to lock by the obstruction lock request Ask in queue；Sets of threads is handled by the lock pre-established and judges whether the lock request queue is empty, if it is not, then utilizing the lock Handle sets of threads, obtain corresponding obstruction lock request from the lock queue according to preset order, and please by the obstruction lock of acquisition Transmission is asked to file system.
- 2. the processing method of file lock in distributed file system according to claim 1, it is characterised in that also include：The response message that the file system returns is received, and the response message is back to the NAS clients.
- 3. the processing method of file lock in distributed file system according to claim 2, it is characterised in that also include：The status information accordingly locked in file lock list is updated according to the response message.
- 4. the processing method of file lock in distributed file system according to claim 2, it is characterised in that described by institute Stating after obstruction lock request is added in lock request queue also includes：Blocked state code corresponding with the obstruction lock request is back to the NAS clients.
- A kind of 5. processing unit of file lock in distributed file system, it is characterised in that including：Receiving module, for receiving the lock request of NAS clients transmission；First judge module, for judging whether the type of the lock request is obstruction lock request, if it is, triggering addition mould Block；The add module, for the obstruction lock request to be added in lock request queue；Second judge module, handle sets of threads for the lock by pre-establishing and judge whether the lock request queue is sky, such as Fruit is no, then triggers sending module；The sending module, for handling sets of threads using the lock, according to preset order, acquisition is corresponding from the lock queue Obstruction lock request, and the lock request of the obstruction of acquisition is sent to file system.
- 6. the processing unit of file lock in distributed file system according to claim 5, it is characterised in that also include returning Module is returned, the response message returned for receiving the file system, and the response message is back to the NAS client End.
- 7. the processing unit of file lock in distributed file system according to claim 6, it is characterised in that also include more New module, for being updated according to the response message to the status information of the corresponding lock in file lock list.
- A kind of 8. processing equipment of file lock in distributed file system, it is characterised in that including：Memory, for storing computer program；Processor, the distributed field system as described in Claims 1-4 any one is realized during for performing the computer program In system the step of the processing method of file lock.
- 9. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium Program, the distributed file system as described in Claims 1-4 any one is realized when the computer program is executed by processor The step of processing method of middle file lock.
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| CN201710867711.2A CN107423454B (en) | 2017-09-22 | 2017-09-22 | Method, device and equipment for processing file lock in distributed file system |
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| CN111274214A (en) * | 2020-02-20 | 2020-06-12 | 苏州浪潮智能科技有限公司 | File lock processing method and device, electronic equipment and storage medium |
| WO2021164165A1 (en) * | 2020-02-20 | 2021-08-26 | 苏州浪潮智能科技有限公司 | File lock processing method and apparatus, electronic device, and storage medium |
| CN111274214B (en) * | 2020-02-20 | 2022-08-16 | 苏州浪潮智能科技有限公司 | File lock processing method and device, electronic equipment and storage medium |
| CN111708744A (en) * | 2020-05-15 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Method, system, device and medium for maintaining file lock based on stateless protocol |
| CN111708744B (en) * | 2020-05-15 | 2023-01-06 | 苏州浪潮智能科技有限公司 | Method, system, device and medium for maintaining file lock based on stateless protocol |
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