CN102207939B - Multi-hardware system data processing apparatus and method for deleting duplicated data - Google Patents

Multi-hardware system data processing apparatus and method for deleting duplicated data Download PDF

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CN102207939B
CN102207939B CN2010101386542A CN201010138654A CN102207939B CN 102207939 B CN102207939 B CN 102207939B CN 2010101386542 A CN2010101386542 A CN 2010101386542A CN 201010138654 A CN201010138654 A CN 201010138654A CN 102207939 B CN102207939 B CN 102207939B
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check code
attribute
file
hardware system
memory device
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CN102207939A (en
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彭刚
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The invention relates to a multi-hardware system data processing apparatus and a method for deleting duplicated data. The multi-hardware system data processing apparatus comprises a first hardware system, a second hardware system and a storage device, wherein the first hardware system comprises a determination module for scanning data in the storage device and determining the duplicated data in the scanned data, a detection module for starting the determination module when detecting that the second hardware system does not perform operation on the storage device, and a delete module for deleting the determined duplicated data. According to the technical scheme provided by the invention, the normal use of users can not be influenced and the electric power can be saved.

Description

The method of a kind of multi-hardware system data processing device and deletion repeating data
Technical field
The present invention relates to electronic applications, be specifically related to the method for a kind of multi-hardware system data processing device and deletion repeating data.
Background technology
Along with the development of PC, original system power consumptions such as X86 are big, start and wait problem outstanding gradually slowly, and the advantage of original systems such as the system (such as ARM) of other frameworks and X86 system being formed the Hybrid framework is also more and more outstanding.Hybrid is commingled system, is actually on the basis of original system and embeds at least one other system low in energy consumption, that performance is relatively poor relatively of fusion, and advantage is separately given full play in a plurality of systematic collaboration fusion work.
In the existing solution, may there be the repetition of numerous data files in the data partition on the memory device, by arranging the document, deletes repeating data wherein, can discharge the hard drive space of waste.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
In deletion and the process that arranges the document, comparison data and the step that judges whether repetition need spend a large amount of normal service time of removal search and comparison, and delete duplicate file one by one, power consumption consuming time.
Summary of the invention
The technical problem to be solved in the present invention provides the method for a kind of multi-hardware system data processing device and deletion repeating data, can not influence the user and normally use, and save electric power.
In order to address the above problem, the invention provides a kind of multi-hardware system data processing device, comprising: one first hardware system; One second hardware system; One memory device;
Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when described second hardware system of detection is operated described memory device;
Removing module is used for the determined repeating data of deletion.
Further, described data processing equipment also comprises: all die change pieces are fixedly linked with described memory device;
Described second hardware system comprises:
Control module is used for when judgement will switch to first hardware system with described memory device, sends first indication to described handover module;
Described handover module switches to described memory device with described first hardware system according to described first indication and links to each other;
Described detection module judges that described second hardware system is to described memory device operation when detecting described first hardware system and link to each other with described memory device.
Further, described second hardware system also comprises:
First arranges module, is used for arranging the management area information for the treatment of that described memory device will be deleted repeating data;
Described judge module comprises:
Extraction unit, be used for according to described treat management area information described memory device find described first arrange module set treat management area, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
Further, described extraction unit is kept at described attribute and the check code of file in the structure list;
Described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and refers to:
Described extraction unit judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
Further, described second hardware system comprises that also second arranges module, is used for arranging the interruption processing mode; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprising: continue arrangement, rearrangement;
Described first hardware system also comprises buffer memory;
Described detection module also is used for when detecting described second hardware system and will operate described memory device, stop described judge module and removing module to the visit of described memory device, select to preserve or do not preserve current field data in described buffer memory according to described interruption processing mode; When detecting described second hardware system to the operation of described memory device, handle according to described interruption processing mode, if the processing mode after interrupt recovering is for continuing arrangement then according to the corresponding startup judge module of field data or the removing module preserved, if for rearranging then only start judge module;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
The present invention also provides a kind of panel computer, comprising: first hardware system; One memory device; Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when detecting when not having the external hardware system that described memory device is operated;
Removing module is used for the determined repeating data of deletion.
Further, described panel computer also comprises:
One handover module that links to each other with described memory device links to each other for according to first indication described memory device being switched to described first hardware system;
Described detection module is when detecting described first hardware system and link to each other with described memory device, and judging does not have the external hardware system that described memory device is operated.
Further, described judge module comprises:
Extraction unit is used for reading the management area information for the treatment of of preserving in advance, treats according to this that management area information finds in described memory device and treats management area, extracts and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
Further, described extraction unit is kept at described attribute and the check code of file in the structure list;
Described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and refers to:
Described extraction module judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
Further, described first hardware system also comprises buffer memory;
Described detection module also be used for to preserve interrupts processing mode, and described interruption processing mode is used to indicate the words of interrupting and whether preserves field data when interrupting when arrangement, and the processing mode after interrupting recovering, and comprising: continue to put in order, rearrangement; When detecting the external hardware system and will operate described memory device, stop described judge module and removing module to the visit of described memory device, select to preserve or do not preserve current field data in described buffer memory according to described interruption processing mode; When detecting when not having the external hardware system to the operation of described memory device, if the processing mode after interrupting recovering is for continuing arrangement then according to the corresponding startup judge module of field data or the removing module preserved, if for rearranging then only start judge module;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
The present invention also provides a kind of method of deleting repeating data, described method is applied in the data processing equipment with first system and second system, described first system and described second system have the ability of operation shared memory, it is characterized in that described method comprises:
Judge that whether described second system operates described shared storage area, produces a judged result;
When described judged result represents that described second system does not operate described shared storage area, by described shared memory store data inside being scanned the repeating data of determining in the described storage data, and delete described repeating data by described first system.
Further, described method also comprises:
The management area information for the treatment of that will delete repeating data in the described shared memory is set;
Described first system comprises by described shared memory store data inside being scanned the step of determining the repeating data in the described storage data:
Described first system finds the set management area for the treatment of according to the described management area information for the treatment of in described shared memory, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Check code and attribute thereof that the contrast of described first system is preserved determine that the identical file of check code and attribute is repeating data.
Further, described attribute and the check code with file is kept in the structure list of described first hardware system;
Described first system extracts and preserves the described check code of each file of preserving in the management area and the step of attribute thereof treated respectively and comprises:
Described first hardware system judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
Described method also comprises:
The interruption processing mode is set; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement;
Described first system stops the visit to described memory device when judging that described shared memory will be operated by described second system, according to described interruption processing mode, select to preserve or do not preserve current field data; When judging that described second system does not operate described shared memory, handle according to described interruption processing mode, if the processing mode after interrupt recovering is continuation arrangement then the step that proceeds to before continuing to interrupt according to the field data of preserving, if for rearranging then carry out described by described shared memory store data inside being scanned the step of the repeating data in definite described storage data.
One embodiment of the present of invention comprise following advantage at least: can carry out the deletion of repeating data when the user does not need to use; An alternative embodiment of the invention comprises following advantage at least: the hardware system lower by power consumption carries out the deletion of repeating data, comparatively power saving; Another embodiment of the present invention comprises following advantage at least: need not drive memory device hardware in addition in the process of deletion repeating data, reach purpose of power saving.
Description of drawings
Fig. 1 is the schematic block diagram of the multi-hardware system data processing device among the embodiment one;
Fig. 2 is the schematic flow sheet of the delet method of repeating data in the notebook computer among the embodiment two.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Embodiment one, and a kind of multi-hardware system data processing device as shown in Figure 1, comprising:
One first hardware system; One second hardware system; One memory device;
Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when detecting described second hardware system and described memory device is operated;
Removing module is used for the determined repeating data of deletion.
In an embodiment of the present embodiment, described multi-hardware system data processing device also comprises:
All die change pieces are fixedly linked with described memory device;
Described second hardware system comprises:
Control module is used for when judgement will switch to first hardware system with described memory device, sends first indication to described handover module;
Described handover module switches to described memory device with described first hardware system according to described first indication and links to each other;
Described detection module judges that described second hardware system is to described memory device operation when detecting described first hardware system and link to each other with described memory device.
In the present embodiment, described control module can work as described second hardware system with dormancy or when closing, judgement will switch to first hardware system with described memory device; Also can work as time span that second hardware system do not use described memory device and reach a schedule time during threshold value, judgement will switch to first hardware system with described memory device; Can also work as the user and indicate when switching memory device, judgement will switch to first hardware system with described memory device; In the practical application, described control module judges that the situation that described memory device will be switched to first hardware system is not limited to above-mentioned enumerate several.
In the present embodiment, the control module of second hardware system also can be when judgement will switch to first hardware system with described memory device, notifies first hardware system; First hardware system judges whether to link to each other with described memory device, if do not have, then indicates described handover module that described memory device is switched to first hardware system by first hardware system.
In other embodiment of present embodiment, described detection module can be monitored described second hardware system to the visit of described memory device, to judge that described second hardware system is not to described memory device operation; Also can be monitored by memory device or third party device, find to notify when described second hardware system is not operated described memory device described detection module, described detection module judges that according to this notice described second hardware system is to described memory device operation; Can also be directly to notify described detection module by second hardware system when described memory device not being operated, described detection module judges that according to this notice described second hardware system is to described memory device operation.Do not get rid of other in the practical application and realize that described detection module detects the mode that described second hardware system is not operated described memory device.
In the present embodiment, described judge module can specifically comprise:
Extraction unit is for the check code and the attribute thereof that extract and preserve each file to be put in order on the described memory device respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
During practical application, also can realize described judge module with other mode; The check code that can be not limited to file and the attribute thereof of comparing unit contrast that described extraction unit extracts, described also can be the parameters that other can unique identification one file.
In the present embodiment, described second hardware system can also comprise that first arranges module, is used for arranging the management area information for the treatment of that described memory device will be deleted repeating data; In the practical application, this first arranges module and also can be included in described first hardware system.
In the present embodiment, check code and attribute thereof that described extraction unit is preserved each file to be put in order on the described memory device respectively specifically can refer to:
Described extraction unit according to described treat management area information in described memory device, find described first arrange module set treat management area, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively.
In the practical application, also can not arrange and treat management area, and acquiescence is put in order the file of All Files on the memory device or default zone.
In an embodiment of the present embodiment, described first arranges module can also be used for arranging whether carry out data de-duplication; Described detection module after detecting described second hardware system and not operating described memory device, judge earlier described first arrange the module setting whether for carrying out data de-duplication, if then start judge module, otherwise do not start.
In the another kind of embodiment of present embodiment, described first arranges module also is used for arranging whether carry out data de-duplication; And how no matter detection module arrange, and all starts described judge module when described second hardware system is not operated described memory device when detecting; If but do not carry out data de-duplication then do not enable described removing module; When detecting described second hardware system and do not operate described memory device, described extraction unit all can be safeguarded check code and the attribute thereof of the file of preserving like this.
In the present embodiment, described extraction unit can but be not limited to described attribute and the check code of file are kept in the structure list; Described attribute comprises or combination in any in the following:
Filename, creation-time, access time, modification time, size.
In the present embodiment, described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and specifically can refer to:
Described extraction unit judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
Also can adopt other form to preserve described attribute and the check code of file, then above-mentioned interpolation, renewal, deletion are to carry out at the data of preserving.
In the present embodiment, described first arranges module can also be used for arranging deletion strategy; Described deletion strategy comprises the deletion mode;
Described removing module is deleted repeating data according to the deletion mode in the described deletion strategy.
Described deletion mode includes but not limited to following three kinds:
A) directly delete directory information, bunch occupied information of duplicate file correspondence, just directly this document is erased;
B) directory information of duplicate file is kept, but the file that the initial pointed of this document is identical with its content, discharge bunch occupied information of this document correspondence again;
C) directory information, bunch occupied information, the respective file content of this duplicate file is saved in the specific region of memory device, the original position information of erasing is again used for recovering.
In the present embodiment, described deletion strategy can also comprise document retaining number, deletion sequential scheduling;
The described removing module file that deletion repeats according to described deletion strategy, when suppose that the document retaining number is 2, if the file of repetition be 2 then do not delete, be 3 and then delete one of them.During one or more in will deleting several files, carry out in proper order according to described deletion, suppose that deletion is that the deletion creation-time is new earlier in proper order, then according to the priority of document creation time, with last one or more deletions of creating in the file that repeats.
In the present embodiment, described first hardware system can also comprise a buffer memory; Described extraction unit can but be not limited to be used for to preserve the check code of file and the structure list of attribute be kept at described buffer memory; When viewing files attribute and check code, need not to drive hard disk like this, can economize on electricity.
In the present embodiment, described detection module also is used for stopping described judge module and removing module to the visit of described memory device when detecting described second hardware system and will operate described memory device.
In comprising the embodiment of handover module, can be first or second hardware system when judge described memory device will be switched to second hardware system time (such as second hardware system start or when wanting accessing storage device) send second and indicate to described handover module; Described handover module switches to described memory device with described second hardware system according to described second indication and links to each other; Described detection module disconnects when being connected when detecting described first hardware system and described memory device, judges that described second hardware system will operate described memory device.
In other embodiments, described second hardware system is notified described detection module when the described memory device of needs operation, and described detection module judges that according to this notice described second hardware system will be to described memory device operation; Or described detection module monitors described second hardware system to the visit of described memory device, will be to described memory device operation to judge described second hardware system; Also can be monitored by memory device or third party device, find to notify when described second hardware system is operated described memory device described detection module, described detection module judges that according to this notice described second hardware system will be to described memory device operation; Do not get rid of other in the practical application and realize that described detection module judges that described second hardware system will be to the mode of described memory device operation.
In the present embodiment, which hardware system no matter the data disks that described memory device is shared as first, second hardware system be operated under, can directly visit this memory device.
Described second hardware system can also comprise that second arranges module, is used for arranging the interruption processing mode; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement; Processing mode after described interruption recovers can be given tacit consent to; Also can whether be changed (comprising interpolation, deletion or modification) by file decides, if change then rearrangement, otherwise continue arrangement, described detection module detects earlier when detecting described second hardware system and do not operate described memory device and treats whether the file in the management area is changed, if have then rearrange, do not have then to continue arrangement according to the field data of preserving; Can also be selected by the user, it is to rearrange or continue arrangement that described detection module prompting user when detecting described second hardware system to the operation of described memory device selects, and selects respective handling according to the user.
Described detection module is when detecting described second hardware system and will operate described memory device, also be used for according to described interruption processing mode, select to preserve or do not preserve current field data (arriving which file such as fixed repeating data, current judgement or deletion) in described buffer memory.When detecting described second hardware system to the operation of described memory device, handle according to described interruption processing mode, if the processing mode after interrupting recovering is put in order for continuation then according to the corresponding startup judge module of field data or the removing module preserved, the module that is activated continues uncompleted work according to described field data; If for rearranging then only start judge module, restart to contrast each file for the treatment of in the management area, identical file is defined as repeating data;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
Described deletion strategy, described interruption processing mode, the described management area information for the treatment of can be kept in the described buffer memory, also can be kept in the specific region of described memory device.
In the present embodiment, described first hardware system can but be not limited to the ARM hardware system; Described second hardware system can but be not limited to the X86 hardware system.
Embodiment two, and a kind of notebook computer comprises:
First hardware system is the ARM hardware system in the present embodiment, comprises that a FLASH is as buffer memory.
Second hardware system is the X86 hardware system in the present embodiment;
Memory device is the hard disk that an ARM hardware system and X86 hardware system are shared in the present embodiment.
In the notebook computer of this present embodiment, the delet method of repeating data may further comprise the steps as shown in Figure 2:
When the user normally uses the X86 hardware system, by X86 platform topsides application program, the postboost certain user's data partition to be put in order of X86 platform on the described hard disk is set, and deletion strategy is set;
Information such as the partition information to be put in order that the X86 upper level applications can arrange the user, data de-duplication strategy are filled on the FLASH of the specific region that keeps on the described hard disk or ARM platform.
After the user closes the X86 hardware system, the ARM platform reads partition information described to be put in order, treat the arrangement subregion and carry out the check code calculating (such as MD5) of file one by one, and the filename of each file, creation-time, access time, modification time, these attributes of size and check code be saved in the last structure list of described FLASH, for use repeatedly;
The ARM platform is attribute and the check code of each file relatively, determines that some file is duplicate file (repeating data) really, deletes according to described deletion strategy again; Described deletion strategy can be following these:
A) directly delete directory information, bunch occupied information of duplicate file correspondence, just directly this document is erased;
B) directory information of duplicate file is kept, but the file that the initial pointed of this document is identical with its content, discharge bunch occupied information (method of change pointer in the FAT32 file system Success in Experiment) of this document correspondence again;
C) directory information, bunch occupied information, the respective file content of this duplicate file is saved in the specific region of hard disk, the original position information of erasing is again used for recovering.
In the present embodiment, each user closes the X86 hardware system, the ARM platform can upgrade attribute and the check code of each file in each data partition, so, when the user has disposal data subregion demand, can recycle check code and the attribute of the file of having preserved, do not change, need not repeated calculation.
If the ARM platform is interrupted (such as the start of X86 hardware system) in the arrangement process, the user can select the ARM platform that the user is waited to put in order partition information and deletion strategy keeps, and after next X86 hardware system shutdown, continues arrangement again.
Embodiment three, and a kind of panel computer comprises: first hardware system; One memory device;
This panel computer can use separately, independently finishes user's demand, also can external one comprises the docking station of another hardware system, is combined into system's (device) of a hybrid structure; The system of this hybrid structure can select one of them demand of finishing the user or both cooperations to finish user's demand jointly according to user's demand and described panel computer and described docking station processing power between the two.
Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when detecting when not having the external hardware system that described memory device is operated;
Removing module is used for the determined repeating data of deletion.
In an embodiment of the present embodiment, described panel computer also comprises a handover module that links to each other with described memory device.
Described handover module links to each other for according to first indication described memory device being switched to described first hardware system;
Described first indication can directly send to described handover module by the user, or is judged by an external hardware system and to send to described handover module when described memory device will be switched to described first hardware system; Or by described first hardware system when receiving described memory device will be switched to the indication of described first hardware system time, send to described handover module.
Described detection module is when detecting described first hardware system and link to each other with described memory device, and judging does not have the external hardware system that described memory device is operated.
In other embodiment of present embodiment, described detection module can be monitored the external hardware system to the visit of described memory device, does not have the external hardware system that described memory device is operated with judgement; Also can be monitored by memory device or third party device, find to notify described detection module when the external hardware system does not operate described memory device, described detection module judges do not have the external hardware system that described memory device is operated according to this notice; Can also be directly to notify described detection module by the external hardware system when described memory device not being operated, described detection module judges do not have the external hardware system that described memory device is operated according to this notice.Do not get rid of the mode that other realizes that described detection module is judged does not have the external hardware system that described memory device is operated in the practical application.
In the present embodiment, described judge module can specifically comprise:
Extraction unit is for the check code and the attribute thereof that extract and preserve each file to be put in order on the described memory device respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
During practical application, also can realize described judge module with other mode; The check code that can be not limited to file and the attribute thereof of comparing unit contrast that described extraction unit extracts, described also can be the parameters that other can unique identification one file.
In the present embodiment, check code and attribute thereof that described extraction unit extracted and preserved each file to be put in order on the described memory device respectively specifically can refer to:
Described extraction unit reads in advance the management area information for the treatment of of preserving, and treats according to this that management area information finds in described memory device and treats management area, extracts and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively.
The described management area information for the treatment of can be set in advance and preserve by described external hardware system or first hardware system by the user.
In the practical application, also can not arrange and treat management area, and acquiescence is put in order the file of All Files on the memory device or default zone.
In an embodiment of the present embodiment, described detection module also is used for judging whether to carry out data de-duplication when detecting when not having the external hardware system to operate described memory device, if then start judge module, otherwise does not start.
Whether carrying out data de-duplication can set in advance and be kept in the specific region of described memory device or in the buffer memory of first hardware system by the user by described external hardware system or first hardware system.
In the another kind of embodiment of present embodiment, no matter whether described detection module carry out data de-duplication, all starts described judge module when not having the external hardware system to operate described memory device when detecting; If but do not carry out data de-duplication then do not enable described removing module; Whenever detecting when not having the external hardware system to operate described memory device, described extraction unit all can be safeguarded check code and the attribute thereof of the file of preserving like this.
In the present embodiment, described extraction unit can but be not limited to described attribute and the check code of file are kept in the structure list; Described attribute comprises or combination in any in the following:
Filename, creation-time, access time, modification time, size.
Described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and specifically can refer to:
Described extraction unit judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
In the present embodiment, described removing module also is used for reading the deletion strategy of preserving in advance; Described deletion strategy comprises the deletion mode; Described removing module is deleted repeating data according to the deletion mode in the described deletion strategy;
Described deletion mode includes but not limited to following three kinds:
A) directly delete directory information, bunch occupied information of duplicate file correspondence, just directly this document is erased;
B) directory information of duplicate file is kept, but the file that the initial pointed of this document is identical with its content, discharge bunch occupied information of this document correspondence again;
C) directory information, bunch occupied information, the respective file content of this duplicate file is saved in the specific region of memory device, the original position information of erasing is again used for recovering.
In the present embodiment, described deletion strategy can also comprise document retaining number, deletion sequential scheduling;
The described removing module file that deletion repeats according to described deletion strategy, when suppose that the document retaining number is 2, if the file of repetition be 2 then do not delete, be 3 and then delete one of them.During one or more in will deleting several files, carry out in proper order according to described deletion, suppose that deletion is that the deletion creation-time is new earlier in proper order, then according to the priority of document creation time, with last one or more deletions of creating in the file that repeats.
In the present embodiment, described first hardware system can also comprise a buffer memory.
Described detection module also is used for stopping described judge module and removing module to the visit of described memory device when detecting the external hardware system and will operate described memory device.
In comprising the embodiment of handover module, can be first hardware system or external hardware system when judge described memory device will be switched to the external hardware system time (such as the external hardware system start or when wanting accessing storage device) send second and indicate to described handover module; Described handover module switches to described memory device with described external hardware system according to described second indication and links to each other; Described detection module disconnects when being connected when detecting described first hardware system and described memory device, judges that described external hardware system will operate described memory device.
In other embodiments, described external hardware system notifies described detection module when the described memory device of needs operation, and described detection module judges that according to this notice described external hardware system will be to described memory device operation; Or described detection module monitors described external hardware system to the visit of described memory device, to judge that described external hardware system will be to described memory device operation; Also can be monitored by memory device or third party device, notify described detection module when finding described external hardware system to described memory device operation, described detection module judges that according to this notice described external hardware system will be to described memory device operation; Do not get rid of other in the practical application and realize that described detection module judges that described external hardware system will be to the mode of described memory device operation.
In the present embodiment, described detection module can also be used for preserving the interruption processing mode; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement; Processing mode after described interruption recovers can be given tacit consent to, also can whether be changed (comprising interpolation, deletion or modification) by file decides, if change then rearrangement, otherwise continue arrangement, described detection module treats when detecting to detect earlier when not having the external hardware system to the operation of described memory device whether the file in the management area is changed, if have then rearrange, do not have then to continue arrangement according to the field data of preserving; Can also be selected by the user, described detection module is to rearrange or continue arrangement when detecting when not having the external hardware system to the operation of described memory device that the prompting user selects.
Described detection module is when detecting described external hardware system and will operate described memory device, also be used for according to described interruption processing mode, preserve or do not preserve current field data (arriving which file such as fixed repeating data, current judgement or deletion) in described buffer memory.When detecting when not having the external hardware system to the operation of described memory device, handle according to described interruption processing mode, if the processing mode after interrupting recovering is put in order for continuation then according to corresponding judge module or the removing module of preserving of restarting of field data, the module that is activated continues uncompleted work according to described field data; If for rearranging then only start judge module, restart to contrast each file for the treatment of in the management area, identical file is defined as repeating data;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
In the present embodiment, described deletion strategy/interruption processing mode can be kept in the described buffer memory, also can be kept in the specific region of described memory device.
In the present embodiment, described extraction unit can but be not limited to be used for to preserve the check code of file and the structure list of attribute be kept at described buffer memory; When viewing files attribute and check code, need not to drive hard disk like this, can economize on electricity.
Embodiment four, and a kind of docking station comprises second hardware system that can be connected with external unit; The memory device that described external unit has all die change pieces and is connected with described handover module.
Described docking station can be combined into system's (device) of a hybrid structure with a panel computer, and this platform computer comprises another hardware system, memory device and handover module; The system of this hybrid structure can select one of them demand of finishing the user or both cooperations to finish user's demand jointly according to user's demand and described panel computer and described docking station processing power between the two.
Described second hardware system comprises:
Control module is used for when judging described memory device will be switched to the external hardware system time, send to be used to indicate described memory device being switched to first indicating to described handover module of linking to each other with described external hardware system;
In the present embodiment, described control module can work as described second hardware system with dormancy or when closing, judgement will switch to first hardware system with described memory device; Also can work as time span that second hardware system do not use described memory device and reach a schedule time during threshold value, judgement will switch to first hardware system with described memory device; Can also work as the user and indicate when switching memory device, judgement will switch to first hardware system with described memory device; In the practical application, described control module judges that the situation that described memory device will be switched to first hardware system is not limited to above-mentioned enumerate several.
In the present embodiment, described second hardware system can also comprise that first arranges module, is used for the management area information for the treatment of that described memory device will be deleted repeating data is set, and is kept in the specific region or external hardware system of described memory device.
In the present embodiment, described first arranges module can also be used for arranging whether carry out data de-duplication.
In the present embodiment, described first arranges module can also be used for arranging deletion strategy; Described deletion strategy comprises the deletion mode; Described deletion mode includes but not limited to following three kinds:
A) directly delete directory information, bunch occupied information of duplicate file correspondence, just directly this document is erased;
B) directory information of duplicate file is kept, but the file that the initial pointed of this document is identical with its content, discharge bunch occupied information of this document correspondence again;
C) directory information, bunch occupied information, the respective file content of this duplicate file is saved in the specific region of memory device, the original position information of erasing is again used for recovering.
In the present embodiment, described deletion strategy can also comprise document retaining number, deletion sequential scheduling.
In the present embodiment, described second hardware system can also comprise that second arranges module, is used for arranging the interruption processing mode; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement; Be to continue arrangement or rearrange and to give tacit consent to according to field data, also can detect the file for the treatment of in the management area earlier and whether change (comprise interpolations, deletion or revise) and decide, if change then rearrange, otherwise continue to put in order; Can also be selected by the user is to rearrange or continue to put in order.
In the present embodiment, described deletion strategy/interruption processing mode is kept in the specific region or external hardware system of described memory device.
In the present embodiment, described control module can also be used for when judge described memory device will be switched to second hardware system time (such as second hardware system start or when wanting accessing storage device), transmission is used to indicate described memory device is switched to second indicating to described handover module of linking to each other with described second hardware system.
Embodiment five, a kind of method of deleting repeating data, described method are applied in the data processing equipment with first system and second system, and described first system and described second system have the ability of operation shared memory, it is characterized in that described method comprises:
Judge that whether described second system operates described shared storage area, produces a judged result;
When described judged result represents that described second system does not operate described shared storage area, by described shared memory store data inside being scanned the repeating data of determining in the described storage data, and delete described repeating data by described first system.
Described first system has first hardware system, supports to use first operating system on described first hardware system; Described second system has second hardware system, supports operation second operating system on described ground two hardware systems.
Further the processing power of described first hardware system is weaker than the processing power of described second hardware system, and for example first hardware system is the hardware platform of ARM, and second hardware system is the hardware platform of X86.
In the present embodiment, can also comprise: when described second system does not operate described shared storage area, described shared storage area is switched to first system.
In the present embodiment, described second system is when with dormancy or when closing, and judges that described second system do not operate described shared storage area; Also can work as time span that second system do not use described shared storage area and reach a schedule time during threshold value, judge that described second system do not operate described shared storage area; Can also work as user indication and be used when sharing the storage area by first system, judge that described second system do not operate described shared storage area; In the practical application, judge that described second system does not carry out operational circumstances to described shared storage area and is not limited to above-mentioned enumerate several.
In the present embodiment, described first system comprises by described shared memory store data inside being scanned the step of determining the repeating data in the described storage data:
Described first system extracts and preserves check code and the attribute thereof of each file to be put in order in the described shared memory respectively;
Check code and attribute thereof that the contrast of described first system is preserved determine that the identical file of check code and attribute is repeating data.
During practical application, extracting and the check code that can be not limited to file and the attribute thereof of contrast, also can be the parameter that other can unique identification one file.
In the present embodiment, described method can also comprise: the management area information for the treatment of that will delete repeating data in the described shared storage area is set;
Described first system extracts and preserves the check code of each file to be put in order in the described shared memory respectively and the step of attribute specifically can comprise:
Described first system finds the set management area for the treatment of according to the described management area information for the treatment of in described shared memory, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively.
In the practical application, also can not arrange and treat management area, and acquiescence is put in order the file of All Files in the shared memory or default zone.
In an embodiment of the present embodiment, described method can also comprise: arrange and whether carry out data de-duplication;
After described judged result was represented step that described second system do not operate described shared memory, described first system also comprised before described shared memory store data inside being scanned the step of determining the repeating data in the described storage data:
Described first system judges whether to carry out data de-duplication, if then carry out the step of determining the repeating data in the described storage data by described shared memory store data inside is scanned, otherwise does not handle.
In the another kind of embodiment of present embodiment, described method also comprises: arrange and whether carry out data de-duplication;
After described judged result is represented step that described second system do not operate described shared storage area, described first system judges whether to carry out data de-duplication before described shared memory store data inside being scanned the step of determining the repeating data in the described storage data; If do not carry out data de-duplication, then extract and preserve check code and the attribute thereof of each file to be put in order in the described shared memory respectively, finish after finishing.
In the present embodiment, can but be not limited to described attribute and the check code of file are kept in the structure list; Described attribute comprises or combination in any in the following:
Filename, creation-time, access time, modification time, size.
Describedly extract and preserve the described check code of each file of preserving in the management area and the step of attribute thereof treated respectively and specifically can comprise:
Earlier judge whether described each file preserved in the management area for the treatment of has change; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
In the present embodiment, described method can also comprise: deletion strategy is set; Described deletion strategy comprises the deletion mode;
In the step of the file that described deletion repeats, be to delete repeating data according to the deletion mode in the described deletion strategy.
Described deletion mode includes but not limited to following three kinds:
A) directly delete directory information, bunch occupied information of duplicate file correspondence, just directly this document is erased;
B) directory information of duplicate file is kept, but the file that the initial pointed of this document is identical with its content, discharge bunch occupied information of this document correspondence again;
C) directory information, bunch occupied information, the respective file content with this duplicate file is saved in the specific region of sharing in the storage area, and the original position information of erasing is again used for recovering.
In the present embodiment, described deletion strategy can also comprise document retaining number, deletion sequential scheduling;
In the step of the file that described deletion repeats, when suppose that the document retaining number is 2, if the file of repetition be 2 then do not delete, be 3 and then delete one of them.During one or more in will deleting several files, carry out in proper order according to described deletion, suppose that deletion is that the deletion creation-time is new earlier in proper order, then according to the priority of document creation time, with last one or more deletions of creating in the file that repeats.
In the present embodiment, described method can also comprise:
The interruption processing mode is set; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement;
When judging that second system will operate in the described shared memory (such as the startup of second system, in the time of maybe will visiting shared memory or user and indicate), described first system stops the visit to described shared memory, according to described interruption processing mode, select to preserve or do not preserve current field data (arriving which file such as fixed repeating data, current judgement or deletion); When judging that described second system does not operate described shared memory, handle according to described interruption processing mode, if the processing mode after interrupt recovering is continuation arrangement then the step that proceeds to before continuing to interrupt according to the field data of preserving is (preceding than right 100 files such as interrupting, find three groups of files that attribute is identical with check code, then compare remaining paper when continuing arrangement, and keeping those the three groups of files find is repeating data), if for rearranging then carry out described by described shared memory store data inside being scanned the step of determining the repeating data in the described storage data.
In the present embodiment, the processing mode after described interruption recovers can be given tacit consent to, and also can detect the file for the treatment of in the management area earlier and whether change (comprise interpolations, deletion or revise) and decide, if change then rearrange, otherwise continues to put in order; Can also be selected by the user is to rearrange or continue to put in order.
In the present embodiment, set described deletion strategy and/or the described management area information for the treatment of can be kept in the buffer memory of described first system, also can be kept in the specific region of described shared memory.
In the present embodiment, can but be not limited to be used for to preserve the check code of file and the structure list of attribute be kept at described buffer memory; When viewing files attribute and check code, need not to drive hard disk like this, can economize on electricity.
Each module among each above-mentioned embodiment or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and be carried out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.The present invention is not restricted to any specific hardware and software combination.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.

Claims (12)

1. a multi-hardware system data processing device comprises: one first hardware system; One second hardware system; One memory device; It is characterized in that, also comprise:
All die change pieces are fixedly linked with described memory device;
Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when described second hardware system of detection is operated described memory device;
Removing module is used for the determined repeating data of deletion;
Described second hardware system comprises:
Control module is used for when judgement will switch to first hardware system with described memory device, sends first indication to described handover module;
Described handover module switches to described memory device with described first hardware system according to described first indication and links to each other;
Described detection module judges that described second hardware system is to described memory device operation when detecting described first hardware system and link to each other with described memory device.
2. data processing equipment as claimed in claim 1 is characterized in that, described second hardware system also comprises:
First arranges module, is used for arranging the management area information for the treatment of that described memory device will be deleted repeating data;
Described judge module comprises:
Extraction unit, be used for according to described treat management area information described memory device find described first arrange module set treat management area, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
3. data processing equipment as claimed in claim 2 is characterized in that:
Described extraction unit is kept at described attribute and the check code of file in the structure list;
Described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and refers to:
Described extraction unit judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
4. as each described data processing equipment in the claim 1 to 3, it is characterized in that:
Described second hardware system comprises that also second arranges module, is used for arranging the interruption processing mode; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprising: continue arrangement, rearrangement;
Described first hardware system also comprises buffer memory;
Described detection module also is used for when detecting described second hardware system and will operate described memory device, stop described judge module and removing module to the visit of described memory device, select to preserve or do not preserve current field data in described buffer memory according to described interruption processing mode; When detecting described second hardware system to the operation of described memory device, handle according to described interruption processing mode, if the processing mode after interrupt recovering is for continuing arrangement then according to the corresponding startup judge module of field data or the removing module preserved, if for rearranging then only start judge module;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
5. a panel computer comprises: first hardware system; One memory device; It is characterized in that, also comprise:
One handover module that links to each other with described memory device links to each other for according to first indication described memory device being switched to described first hardware system;
Described first hardware system comprises:
Judge module for the data of the described memory device of scanning, is determined repeating data wherein;
Detection module is used for starting described judge module when detecting described first hardware system and link to each other with described memory device;
Removing module is used for the determined repeating data of deletion.
6. panel computer as claimed in claim 5 is characterized in that, described judge module comprises:
Extraction unit is used for reading the management area information for the treatment of of preserving in advance, treats according to this that management area information finds in described memory device and treats management area, extracts and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Comparing unit is used for check code and attribute thereof that contrast is preserved, determines that the identical file of check code and attribute is repeating data.
7. panel computer as claimed in claim 6 is characterized in that:
Described extraction unit is kept at described attribute and the check code of file in the structure list;
Described extraction unit extracts and preserves described check code and the attribute thereof of each file of preserving in the management area treated respectively and refers to:
Described extraction unit judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
8. as each described panel computer in the claim 5 to 7, it is characterized in that:
Described first hardware system also comprises buffer memory;
Described detection module also be used for to preserve interrupts processing mode, and described interruption processing mode is used to indicate the words of interrupting and whether preserves field data when interrupting when arrangement, and the processing mode after interrupting recovering, and comprising: continue to put in order, rearrangement; When detecting the external hardware system and will operate described memory device, stop described judge module and removing module to the visit of described memory device, select to preserve or do not preserve current field data in described buffer memory according to described interruption processing mode; When detecting when not having the external hardware system to the operation of described memory device, if the processing mode after interrupting recovering is for continuing arrangement then according to the corresponding startup judge module of field data or the removing module preserved, if for rearranging then only start judge module;
Described judge module and removing module also are used for judging when be activated whether described buffer memory preserves described field data, if having then continue to interrupt preceding work according to described field data.
9. method of deleting repeating data, described method is applied in the data processing equipment with first system and second system, and described first system and described second system have the ability of operation shared memory, it is characterized in that described method comprises:
Judge whether described second system operates described shared memory, produce a judged result;
When described judged result represents that described second system does not operate described shared memory, described shared memory is switched to first system, by described shared memory store data inside being scanned the repeating data of determining in the described storage data, and delete described repeating data by described first system.
10. method as claimed in claim 9 is characterized in that, also comprises:
The management area information for the treatment of that will delete repeating data in the described shared memory is set;
Described first system comprises by described shared memory store data inside being scanned the step of determining the repeating data in the described storage data:
Described first system finds the set management area for the treatment of according to the described management area information for the treatment of in described shared memory, extract and preserve check code and attribute thereof that this treats each file of preserving in the management area respectively;
Check code and attribute thereof that the contrast of described first system is preserved determine that the identical file of check code and attribute is repeating data.
11. method as claimed in claim 10 is characterized in that:
Described attribute and the check code of file are kept in the structure list of described first hardware system;
Described first system extracts and preserves the described check code of each file of preserving in the management area and the step of attribute thereof treated respectively and comprises:
Described first hardware system judges whether described each file preserved in the management area for the treatment of has change earlier; Described change comprises increase, deletion and revises; For the file that increases, calculate the check code of this document, and check code and the attribute of this document added in the described structure list; For the file of revising, recomputate the check code of this document, check code and attribute that the check code that usefulness recomputates and the new attribute of this document upgrade this document of preserving in the described structure list; For the file of deletion, check code and the attribute of deletion this document from described structure list; For the file of not changing, judge check code and attribute that whether this document is arranged in the described structure list, then do not calculate the check code of this document, and check code and the attribute of this document added in the described structure list.
12. as each described method in the claim 9 to 11, it is characterized in that, also comprise:
The interruption processing mode is set; Described interruption processing mode is used to indicate the words of interrupting when when arrangement and whether preserves field data when interrupting, and the processing mode after interrupting recovering, and comprises and continues arrangement and rearrangement;
Described first system stops the visit to described shared memory when judging that described shared memory will be operated by described second system, according to described interruption processing mode, select to preserve or do not preserve current field data; When judging that described second system does not operate described shared memory, handle according to described interruption processing mode, if the processing mode after interrupt recovering is continuation arrangement then the step that proceeds to before continuing to interrupt according to the field data of preserving, if for rearranging then carry out described by described shared memory store data inside being scanned the step of the repeating data in definite described storage data.
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