CN105630848A - File system processing method and apparatus - Google Patents
File system processing method and apparatus Download PDFInfo
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- CN105630848A CN105630848A CN201410686092.3A CN201410686092A CN105630848A CN 105630848 A CN105630848 A CN 105630848A CN 201410686092 A CN201410686092 A CN 201410686092A CN 105630848 A CN105630848 A CN 105630848A
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Abstract
The invention provides a file system processing method and apparatus. The method comprises the steps of determining a specified file system mode required to be used currently by a device; and when it is judged that a currently running file system mode of the device is inconsistent with the specified file system mode, switching the device to a specified file system from a currently running file system. Through the processing method and apparatus, the problem of no effective mode of switching among different file systems yet in related technologies is solved, the blank of the related technologies is filled up, and the user experience is improved.
Description
Technical field
The present invention relates to the communications field, in particular to processing method and the device of a kind of file system.
Background technology
In embedded Linux system, the storage for file is typically all employing flash storage, and due to the restriction of flash storage itself, the capacity of flash storage and speed sometimes can become the bottleneck of system. Some scene needs use NFS, as: NFS (NetworkFileSystem, referred to as NFS), solve the two restriction of above-mentioned flash storage, improve the efficiency of file operation. But but without a kind of effective method of switching between NFS file system and Flash File System in correlation technique.
For in correlation technique but without the problem of a kind of mode effectively switched between different file, effective solution is not yet proposed at present.
Summary of the invention
Present invention is primarily targeted at processing method and device that a kind of file system is provided, by least solve in correlation technique but without a kind of effectively switch between different file in the way of problem.
According to an aspect of the invention, it is provided the processing method of a kind of file system, the current desired specified file system model to use of the equipment that comprises determining that; When judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to specified file system by currently running file system.
Further, described file system pattern includes Flash File System pattern and NFS NFS pattern.
Further, determine that the current desired specified file system model to use of equipment includes: the broadcasting packet sent at periodic receipt nfs server, then determine that described specified file system model is NFS pattern, wherein, described broadcasting packet carries for indicating described equipment to adopt the instruction information of NFS pattern; Or, do not receive the broadcasting packet that described nfs server sends within a predetermined period of time, it is determined that described specified file system model is Flash File System pattern.
Further, described specified file system model is NFS pattern, and when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to specified file system by currently running file system and includes: the first identification information of described NFS pattern is saved in the high memory of described equipment; Restart described equipment, obtain described first identification information preserved in described high memory; Load the file of described NFS according to described first identification information, and currently running file system is switched to described NFS.
Further, described specified file system model is Flash File System pattern, and when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to specified file system by currently running file system and includes: the second identification information of described Flash File System pattern is saved in the high memory of described equipment; Restart described equipment, obtain described second identification information preserved in described high memory; Load the file of described Flash File System according to described second identification information, and currently running file system is switched to Flash File System.
Further, described nfs server sends described broadcasting packet in the following manner: according to the user operation instruction received, trigger the operation opening described nfs server transmission broadcasting packet; Or, when meeting predetermined condition, automatically trigger the operation opening described nfs server transmission broadcasting packet.
According to another aspect of the present invention, it is provided that the process device of a kind of file system, comprise determining that module, for determining the current desired specified file system model to use of equipment; Handover module, for when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, being switched to specified file system by described equipment by currently running file system.
Further, described file system pattern includes Flash File System pattern and NFS NFS pattern.
Further, described determine that module includes: first determines unit, for the broadcasting packet sent at periodic receipt nfs server, then determine that described specified file system model is NFS pattern, wherein, described broadcasting packet carries for indicating described equipment to adopt the instruction information of NFS pattern; Or, second determines unit, for not receiving the broadcasting packet that described nfs server sends within a predetermined period of time, it is determined that described specified file system model is Flash File System pattern.
Further, described handover module includes: the first storage unit, for being saved in the high memory of described equipment by the first identification information of described NFS pattern; First acquiring unit, is used for restarting described equipment, obtains described first identification information preserved in described high memory; First switch unit, for loading the file of described NFS according to described first identification information, and switches to described NFS by currently running file system.
Further, described handover module includes: the second storage unit, for being saved in the high memory of described equipment by the second identification information of described Flash File System pattern; Second acquisition unit, is used for restarting described equipment, obtains described second identification information preserved in described high memory; Second switch unit, for loading the file of described Flash File System according to described second identification information, and switches to described Flash File System by currently running file system.
Pass through the present invention, adopt and determine the current desired specified file system model to use of equipment, after determining the specified file system model being currently needed for, when judging that the currently running file system pattern of described equipment and specified file system model are inconsistent, equipment is switched to by currently running file system the mode of specified file system, solve the problem but without a kind of mode effectively switched between different file in correlation technique, fill up the blank of correlation technique, improve Consumer's Experience.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the flow chart of the processing method of file system according to embodiments of the present invention;
Fig. 2 is the structural representation processing device of file system according to embodiments of the present invention;
Fig. 3 is the optional structured flowchart one processing device of file system according to embodiments of the present invention;
Fig. 4 is the optional structured flowchart two processing device of file system according to embodiments of the present invention;
Fig. 5 is the optional structured flowchart three processing device of file system according to embodiments of the present invention;
Fig. 6 is that the equipment according to alternative embodiment of the present invention uses Flash File System to start the method flow diagram of veneer;
Fig. 7 is the flow chart to NFS file system changing method of the Flash File System according to alternative embodiment of the present invention;
Fig. 8 is that the equipment according to alternative embodiment of the present invention uses NFS file system to start the method flow diagram of veneer;
Fig. 9 is the flow chart to Flash File System changing method of the NFS file system according to alternative embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments. It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Providing the processing method of a kind of file system in the present embodiment, Fig. 1 is the flow chart of the processing method of file system according to embodiments of the present invention, as it is shown in figure 1, this flow process comprises the steps:
Step S102: equipment determines the current desired specified file system model to use;
Step S104: equipment, when the file system pattern that judgment device is currently running is inconsistent with specified file system model, is switched to specified file system by currently running file system by equipment.
Pass through the present embodiment, employing equipment determines the current desired specified file system model to use, after determining the specified file system model being currently needed for, and when the file system pattern that judgment device is currently running is inconsistent with specified file system model, equipment is switched to by currently running file system the mode of specified file system, solve the problem but without a kind of mode effectively switched between different file in correlation technique, fill up the blank of correlation technique, improve Consumer's Experience.
In an optional embodiment of the present embodiment, the file system pattern that the present embodiment relates to can be Flash File System pattern and NFS NFS pattern. But it should be noted that above-mentioned is only the optional embodiment of the present embodiment, be not intended that the restriction of the present invention, for instance, other file system such as Ext paper series system can also be included in the present embodiment.
Determine that the current desired specified file system model mode to use of equipment has multiple in the present embodiment, and can realize how determining the current desired specified file system model to use in an alternative embodiment of the present embodiment in the following way, which includes:
Mode one: equipment is after the broadcasting packet that periodic receipt nfs server sends, it is determined that specified file system model is NFS pattern, wherein, carries for indicating equipment to adopt the instruction information of NFS pattern in broadcasting packet;
Mode two: after equipment does not receive the broadcasting packet that nfs server sends within a predetermined period of time, it is determined that specified file system model is Flash pattern.
In the optional embodiment of the present embodiment, when specified file system model is NFS pattern, above-mentioned steps S104, namely equipment is when the file system pattern that judgment device is currently running is inconsistent with specified file system model, the mode that equipment is switched to specified file system by currently running file system can be realized by following steps:
Step S21: the first identification information of NFS pattern is saved in the high memory of equipment by equipment;
Step S22: restart equipment, this equipment obtains the first identification information preserved in high memory;
Step S23: this equipment loads the file of NFS according to the first identification information, and currently running file system is switched to NFS.
In the optional embodiment of the present embodiment, when specified file system model is Flash File System pattern, above-mentioned steps S104, namely equipment is when the file system pattern that judgment device is currently running is inconsistent with specified file system model, the mode that equipment is switched to specified file system by currently running file system can be realized by following steps:
Step S31: the second identification information of Flash File System pattern is saved in the high memory of equipment by equipment;
Step S32: restart equipment, this equipment obtains the second identification information preserved in high memory;
Step S33: this equipment loads the file of Flash File System according to the second identification information, and currently running file system is switched to Flash File System.
Mode nfs server in the present embodiment being sent to broadcasting packet includes at least following two:
(1): equipment, according to the user operation instruction received, triggers the operation opening nfs server transmission broadcasting packet;
(2): equipment, when meeting predetermined condition, triggers the operation opening nfs server transmission broadcasting packet automatically.
Wherein, this predetermined condition can be based on equipment preset automatic test cases arrange, certainly other set-up modes it is also possible that, above-mentioned automatic test cases is used merely to be illustrated.
It should be noted that; above two mode (1) and (2) are only the optional embodiment for sending broadcasting packet of the present embodiment, and other modes enabling to nfs server transmission broadcasting packet are also within protection scope of the present invention.
And for the equipment related to the optionally embedded type Linux equipment in the present embodiment, the equipment under certain other system is also applicable.
Additionally providing the process device of a kind of file system in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has be carried out repeating no more of explanation. As used below, term " module " " unit " can realize the software of predetermined function and/or the combination of hardware. Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated.
Fig. 2 is the structural representation processing device of file system according to embodiments of the present invention, as in figure 2 it is shown, this device comprises determining that module 22, for determining the current desired specified file system model to use of equipment; Handover module 24 with determine that module 22 is of coupled connections, for when the currently running file system pattern of judgment device and specified file system model are inconsistent, equipment being switched to specified file system by currently running file system.
Alternatively, file system pattern can include Flash File System pattern and NFS NFS pattern.
Fig. 3 is the optional structured flowchart one processing device of file system according to embodiments of the present invention, as described in Figure 3, determine that module 22 includes: first determines unit 32, for after the broadcasting packet that periodic receipt nfs server sends, then determine that specified file system model is NFS pattern, wherein, broadcasting packet carries for indicating equipment to adopt the instruction information of NFS pattern; Or, second determines unit 34, after not receiving the broadcasting packet that nfs server sends within a predetermined period of time, it is determined that specified file system model is Flash File System pattern.
Fig. 4 is the optional structured flowchart two processing device of file system according to embodiments of the present invention, as shown in Figure 4, specified file system model is NFS pattern, and handover module 24 includes: the first storage unit 42, for being saved in the high memory of equipment by the first identification information of NFS pattern; First acquiring unit 44 and the first storage unit 42 are of coupled connections, and are used for restarting equipment, obtain the first identification information preserved in high memory; First switch unit 46 and the first acquiring unit 44 are of coupled connections, and for loading the file of NFS according to the first identification information, and currently running file system are switched to NFS.
Fig. 5 is the optional structured flowchart three processing device of file system according to embodiments of the present invention, as shown in Figure 5, specified file system model is Flash File System pattern, handover module 24 includes: the second storage unit 52, for being saved in the high memory of equipment by the second identification information of Flash File System pattern; Second acquisition unit 54 and the second storage unit 52 are of coupled connections, and are used for restarting equipment, obtain the second identification information preserved in high memory; Second switch unit 56 is of coupled connections with second acquisition unit 54, for loading the file of Flash File System according to the second identification information, and currently running file system is switched to Flash File System.
In order to better the present invention will be described, the optional enforcement below in conjunction with the present invention is illustrated.
This alternative embodiment provides a kind of method quickly switched between Flash File System and NFS file system on embedded type Linux equipment, when needs use NFS, embedded device can start on the basis of carry NFS, operate in the embedded device under this NFS pattern, file operation is more quick, improves the efficiency of file operation; When using NFS file system, equipment can quickly switch back into Flash File System pattern.
The fast switch over method of this alternative embodiment may include steps of:
Step S202: embedded device is from off-position to, when first powering on startup optimization, being operated under Flash File System pattern;
Step S204:NFS file system server sends User Datagram Protocol (UserDatagramProtocol is referred to as UDP) broadcasting packet by designated port, carries nfs server relevant information in broadcasting packet; This information format is: file system mode of operation+nfs server IP address;
Step S206: embedded device monitors this appointment udp port, after embedded device receives the broadcasting packet that server sends, judge that whether the file system pattern oneself run is consistent with the information of the file system pattern that server broadcast sends, if it is inconsistent, NFS file system mode of operation is actively saved in high memory by equipment, then automatic restarting equipment;
Step S208: the embedded device BOOT stage in the process of resetting automatically detects the file system pattern information in high memory, if be detected that this equipment needs to be operated under NFS file system pattern, so equipment is loaded from acquisition CPU file nfs server by ftp mode, carry NFS file system in start-up course, embedded device is run, it is achieved the switching from Flash File System to NFS file system according to the mode of NFS file system;
Step S210: when embedded device is operated under NFS file system pattern, the equipment udp broadcast message that meeting monitoring service device always sends in running, if there is the situation receiving broadcasting packet time-out, flash file system mode of operation can be actively saved in high memory by embedded device, then automatic restarting equipment;
Step S212: the embedded device BOOT stage in the process of resetting automatically detects the file system pattern information in high memory, if be detected that equipment needs to be operated under Flash File System pattern, BOOT can initialize Flash File System, the CPU file on Flash is used to load, carry Flash File System in start-up course, embedded device is run, it is achieved the switching from NFS file system to Flash File System according to the mode of Flash File System.
In this alternative embodiment, on nfs server udp broadcast message unlatching send and close transmission can realize in the following ways:
Embodiment one: artificial actively control, equipment receives the operational order of user and determines when to be turned on and off;
Embodiment two: automatically control, under such as automatic test scene, automatic test cases embedded device state as required is automatically turned on and off message and sends, thus triggering the switching of file system of embedded device pattern.
The method that this alternative embodiment uses, have employed udp broadcast and send the mode of fixed-format message, trigger the change of the file system type of carry in embedded type Linux equipment, compared with embedded device in correlation technique uses single flash file system mode, equipment operation is more flexible, need fast operating file, file to take up room more scene for some, it is provided that the mode of solution, improve the efficiency of file operation.
In order to be better understood from this alternative embodiment, below in conjunction with the drawings and specific embodiments, this optional enforcement is illustrated accordingly.
Embodiment one
Application scenarios in embodiment one is the Flash File System switching to NFS file system, say, that in this application scenarios, embedded device is operated in Flash File System mode, monitors the udp broadcast message of designated port. In conjunction with Fig. 6 and Fig. 7, embodiment one being illustrated, Fig. 6 is that the equipment according to alternative embodiment of the present invention uses Flash File System to start the method flow diagram of veneer, and as shown in Figure 6, the method comprises the steps:
Step S602:BOOT initializes Flash;
Step S604:BOOT loads CPU file from Flash;
Carry Flash File System in step S606:CPU start-up course;
Step S608: device power completes.
Fig. 7 is the flow chart to NFS file system changing method of the Flash File System according to alternative embodiment of the present invention, as it is shown in fig. 7, the step of the method includes:
Step S702: equipment operates on Flash File System;
Step S704:NFS server opens broadcast;
Step S706: equipment receives broadcast, records NFS information, homing device;
The step S708:BOOT stage detects that equipment is operated in loading NFS file system pattern;
Step S710:BOOT obtains CPU file by FTP from server;
Carry NFS file system in step S712:CPU start-up course;
Step S714: powered under equipment NFS file system pattern;
In order to above-mentioned steps is described in detail, above-mentioned handoff procedure from Flash File System to NFS file system can be accomplished by:
Step S21: build NFS file system server on PC, creates NFS share directory;
Step S22: use ftp to connect equipment, by under the share directory on the whole Flash catalogue copy on equipment to server;
Step S23: opening the transmission of udp broadcast message on NFS file system server, NFS file system pattern and nfs server IP address are saved in high memory after receiving broadcast by embedded device, then automatically restart;
Step S24: the equipment BOOT stage in start-up course detects the information in high memory;
If be detected that equipment is operated under NFS file system pattern, loaded from acquisition CPU file nfs server by ftp mode;
Step S25: carry NFS file system in equipment start-up course, mode starting device according to NFS file system, after equipment starts, the operation of file system is all operate the share directory on server by NFS file system by run duration, it is achieved the switching from flash file system to NFS file system.
Embodiment two
At the application scenarios NFS file system of embodiment two to the switching of Flash File System, say, that in this application scenarios, embedded device is operated in NFS file system mode, monitors the udp broadcast message of designated port. In conjunction with Fig. 8 and Fig. 9, embodiment two being illustrated, Fig. 8 is that the equipment according to alternative embodiment of the present invention uses NFS file system to start the method flow diagram of veneer, and as shown in Figure 8, the method comprises the steps:
Step S802:BOOT obtains CPU file by FTP from nfs server;
Step S804:BOOT loads the CPU file obtained;
Carry NFS file system in step S806:CPU start-up course;
Step S808: device power completes.
Fig. 9 is the flow chart to Flash File System changing method of the NFS file system according to alternative embodiment of the present invention, as it is shown in figure 9, the method comprises the following steps:
Step S902: equipment operates on NFS file system;
Step S904: close nfs server broadcast;
Step S906: equipment receives broadcast time-out and resets;
The step S908:BOOT stage detects that equipment is operated in loading Flash File System pattern;
Step S910:BOOT initializes Flash and loads the CPU file on Flash;
Carry Flash File System in step S912:CPU start-up course;
Step S914: equipment has powered under Flash File System pattern.
In order to above-mentioned steps is described in detail, above-mentioned handoff procedure from NFS file system to Flash File System can be accomplished by:
Step S31: close the transmission of udp broadcast message on nfs server;
Step S32: embedded device receives broadcasting packet time-out, flash file system pattern information is saved in high memory, then automatically restarts;
Step S33: the equipment BOOT stage in start-up course detects and is operated under Flash File System pattern, initializes Flash File System, loads the CPU file on Flash;
Step S34: carry Flash File System in start-up course, after equipment starts, run duration directly operates the Flash on embedded device, it is achieved the switching from NFS file system to Flash File System.
In sum, embedded device is being needed to use on the basis that different file is analyzed by alternative embodiment of the present invention under different scenes, the data message performing specified format is sent by udp broadcast message, thus providing a kind of method quickly switched between flash file system and NFS file system on embedded device, embedded device is enable to use suitable file system flexibly as required.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (11)
1. the processing method of a file system, it is characterised in that including:
Determine the current desired specified file system model to use of equipment;
When judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to described specified file system by currently running file system.
2. method according to claim 1, it is characterised in that described file system pattern includes Flash File System pattern and NFS NFS pattern.
3. method according to claim 2, it is characterised in that determine that the current desired specified file system model to use of equipment includes:
After being periodically received the broadcasting packet that nfs server sends, it is determined that described specified file system model is NFS pattern, wherein, described broadcasting packet carries for indicating described equipment to adopt the instruction information of NFS pattern; Or,
After not receiving the broadcasting packet that described nfs server sends within a predetermined period of time, it is determined that described specified file system model is Flash File System pattern.
4. method according to claim 3, it is characterized in that, it is NFS pattern at described specified file system model, and when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to specified file system by currently running file system and includes:
First identification information of described NFS pattern is saved in the high memory of described equipment;
Restart described equipment, obtain described first identification information preserved in described high memory;
Load the file of described NFS according to described first identification information, and currently running file system is switched to described NFS.
5. method according to claim 3, it is characterized in that, described specified file system model is Flash File System pattern, and when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, described equipment is switched to specified file system by currently running file system and includes:
Second identification information of described Flash File System pattern is saved in the high memory of described equipment;
Restart described equipment, obtain described second identification information preserved in described high memory;
Load the file of described Flash File System according to described second identification information, and currently running file system is switched to Flash File System.
6. method according to claim 3, it is characterised in that described nfs server sends described broadcasting packet in the following manner:
According to the user operation instruction received, trigger the operation opening described nfs server transmission broadcasting packet; And/or,
When meeting predetermined condition, automatically trigger the operation opening described nfs server transmission broadcasting packet.
7. the process device of a file system, it is characterised in that including:
Determine module, for determining the current desired specified file system model to use of equipment;
Handover module, for when judging that the currently running file system pattern of described equipment and described specified file system model are inconsistent, being switched to described specified file system by described equipment by currently running file system.
8. device according to claim 7, it is characterised in that described file system pattern includes Flash File System pattern and NFS NFS pattern.
9. device according to claim 8, it is characterised in that described determine that module includes:
First determines unit, for after the broadcasting packet that periodic receipt nfs server sends, it is determined that described specified file system model is NFS pattern, wherein, carries for indicating described equipment to adopt the instruction information of NFS pattern in described broadcasting packet; Or,
Second determines unit, after not receiving the broadcasting packet that described nfs server sends within a predetermined period of time, it is determined that described specified file system model is Flash File System pattern.
10. device according to claim 9, it is characterised in that described specified file system model is NFS pattern, and described handover module includes:
First storage unit, for being saved in the high memory of described equipment by the first identification information of described NFS pattern;
First acquiring unit, is used for restarting described equipment, obtains described first identification information preserved in described high memory;
First switch unit, for loading the file of described NFS according to described first identification information, and switches to described NFS by currently running file system.
11. device according to claim 9, it is characterised in that described specified file system model is Flash File System pattern, and described handover module includes:
Second storage unit, for being saved in the high memory of described equipment by the second identification information of described Flash File System pattern;
Second acquisition unit, is used for restarting described equipment, obtains described second identification information preserved in described high memory;
Second switch unit, for loading the file of described Flash File System according to described second identification information, and switches to described Flash File System by currently running file system.
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| US20090259798A1 (en) * | 2008-04-11 | 2009-10-15 | Junzhi Wang | Method And System For Accessing A Storage System With Multiple File Systems |
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