CN103116553B - data use control method, device and storage device - Google Patents
data use control method, device and storage device Download PDFInfo
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- CN103116553B CN103116553B CN201110364057.6A CN201110364057A CN103116553B CN 103116553 B CN103116553 B CN 103116553B CN 201110364057 A CN201110364057 A CN 201110364057A CN 103116553 B CN103116553 B CN 103116553B
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Abstract
The invention discloses a kind of data to use control method, device and storage device, and the mapping that the data are used for logic-based address and physical address using control method is provided in the storage device of the service of access, including：Interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table have recorded the mapping relations between the logical address of the first physical storage areas in the storage device and physical address；The mapping table is arranged to currently used mapping table so that the electronic equipment can be based on the mapping table and first physical storage area domain browsing is operated.The present invention uses for the data of digital storage equipment and provides a kind of convenient, flexible control method.
Description
Technical field
The invention belongs to electronic applications, more particularly to a kind of data use control method, device and storage device.
Background technology
There is the substantial amounts of tradition machinery storage device that is different from (such as to carry out the hard of data storage based on CD-ROM drive head at present
Disk, CD etc.) digital storage equipment, such as SSD hard disks.These digital storage equipment logic-based addresses and physical address reflect
Offer is provided and accesses service, it provides logical address to external electronic device and conducted interviews, and internally passes through logical address and thing
Logical address and physical address translations are realized in the mapping for managing address, then provide the actual data access clothes in physical address
Business.
But prior art does not use a kind of convenient, flexible control of offer for the data of this digital storage equipment
Method processed.
The content of the invention
The purpose of the embodiment of the present invention is that providing a kind of data uses control method, device and storage device, for numeral
The data of storage device use a kind of convenient, flexible control method of offer.
To achieve these goals, the embodiments of the invention provide a kind of data to use control method, for logic-based
The mapping of address and physical address is provided in the storage device of the service of access, and the data are included using control method：
Interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table have recorded described deposit
Store up the mapping relations between the logical address of the first physical storage areas in equipment and physical address；
The mapping table is arranged to currently used mapping table so that the electronic equipment can be based on the mapping table
First physical storage area domain browsing is operated.
Above-mentioned data use control method, wherein, in addition to：The mapping table is arranged to currently used mapping table
The guard mode of first physical storage areas is released afterwards.
Above-mentioned data use control method, wherein, in addition to：
After the electronic equipment is based on the mapping table to first physical storage areas execution access operation, foundation
The instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection processing is carried out to first physical storage areas so that first physical storage areas is in read-only shape
State.
Above-mentioned data use control method, wherein, the storage device is solid state hard disc.
Above-mentioned data use control method, wherein, interacted with electronic equipment, obtain a history mapping table pre-saved
Specifically include：
The first instruction of the first mapping table of instruction is received from the electronic equipment；
At least two mapping tables selection described first prestored according to the described first instruction from the storage device
Mapping table is as the history mapping table.
Above-mentioned data use control method, wherein, interacted with electronic equipment, obtain a history mapping table pre-saved
Also include：
In the storage device is sent to the electronic equipment after receiving the from the electronic equipment second instruction
The record of preservation has the list of all mapping tables prestored so that electronic equipment can be based on list selection described the
One mapping table.
Above-mentioned data use control method, wherein, obtain a history mapping table pre-saved and specifically include：
The 3rd instruction for pre-saving the second mapping table in the electronic equipment is received from the electronic equipment；
Using second mapping table received as the history mapping table.
Above-mentioned data use control method, wherein, in addition to：
The 4th instruction of the 3rd mapping table of instruction and new logical addresses is received from the electronic equipment；
Former logical address in first mapping table is replaced with into the new logical addresses；
Preserve the 3rd mapping table after renewal.
In order to preferably realize above-mentioned purpose, the embodiment of the present invention additionally provides a kind of data and uses control device, is used for
The mapping of logic-based address and physical address is provided in the storage device of the service of access, and the data use control device bag
Include：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table
It has recorded the mapping relations between the logical address of the first physical storage areas in the storage device and physical address；
Setup module, for the mapping table to be arranged into currently used mapping table so that the electronic equipment can
First physical storage area domain browsing is operated based on the mapping table.
Above-mentioned data use control device, wherein, in addition to：Protection releases module, for the mapping table to be set
To release the guard mode of first physical storage areas after currently used mapping table.
Above-mentioned data use control device, wherein, in addition to：
Preserving module, for performing visit to first physical storage areas based on the mapping table in the electronic equipment
After asking operation, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical store
Region is in read-only status.
Above-mentioned data use control device, wherein, the storage device is solid state hard disc.
Above-mentioned data use control device, wherein, the acquisition module specifically includes：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two for being prestored according to the described first instruction from the storage device reflect
Firing table selects first mapping table as the history mapping table.
Above-mentioned data use control device, wherein, the acquisition module also includes：
Transmitting element, for sending institute to the electronic equipment after the from the electronic equipment second instruction is received
Stating the record preserved in storage device has the list of all mapping tables prestored so that electronic equipment can be based on the row
Table selects first mapping table.
Above-mentioned data use control device, wherein, the acquisition module specifically includes：
Second receiving unit, for receiving the second mapping pre-saved in the electronic equipment from the electronic equipment
3rd instruction of table；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
Above-mentioned data use control device, wherein, in addition to：
Receiving module, for receiving the 4th instruction of the 3rd mapping table of instruction and new logical addresses from the electronic equipment；
Replacement module, for the former logical address in first mapping table to be replaced with into the new logical addresses；
Preserving module, for preserving the 3rd mapping table after updating.
In order to preferably realize above-mentioned purpose, the embodiment of the present invention additionally provides a kind of storage device, the storage device
The mapping of logic-based address and physical address provides the service of access, and the storage device includes：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table
It has recorded the mapping relations between the logical address of the first physical storage areas in the storage device and physical address；
Setup module, for the mapping table to be arranged into currently used mapping table so that the electronic equipment can
First physical storage area domain browsing is operated based on the mapping table.
Above-mentioned storage device, wherein, in addition to：
Protection releases module, for being arranged to the mapping table to release first thing after currently used mapping table
Manage the guard mode of storage region.
Above-mentioned storage device, wherein, in addition to：
Preserving module, for performing visit to first physical storage areas based on the mapping table in the electronic equipment
After asking operation, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical store
Region is in read-only status.
Above-mentioned storage device, wherein, the acquisition module specifically includes：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two for being prestored according to the described first instruction from the storage device reflect
Firing table selects first mapping table as the history mapping table.
Above-mentioned storage device, wherein, the acquisition module also includes：
Transmitting element, for sending institute to the electronic equipment after the from the electronic equipment second instruction is received
Stating the record preserved in storage device has the list of all mapping tables prestored so that electronic equipment can be based on the row
Table selects first mapping table.
Above-mentioned storage device, wherein, the acquisition module specifically includes：
Second receiving unit, for receiving the second mapping pre-saved in the electronic equipment from the electronic equipment
3rd instruction of table；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
The embodiment of the present invention has following effective effect：
In the specific embodiment of the invention, storage device interacts with electronic equipment, one advance to select to be indicated according to user
The mapping table of preservation, the mapping table is then arranged to currently used mapping table, and the physical store of unmapped token record
The guard mode in region, hereafter, electronic equipment can be just realized based on the mapping table to the physical storage areas of mapping table record
Access operation so that user can be easily accessed the previously saved data got off.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for the embodiment of the present invention；
Fig. 2 is the schematic flow sheet using a kind of concrete application of the method for the embodiment of the present invention；
Fig. 3 is the structural representation of the device of the embodiment of the present invention.
Embodiment
The data of the embodiment of the present invention are used in control method, device and electronic equipment, pass through the control to current mapping table
System so that user can be easily accessed the previously saved data got off, and providing the user convenient, flexible data makes
With control.
The data of the embodiment of the present invention use control method, and the mapping for logic-based address and physical address provides visit
In the storage device for asking service, as shown in figure 1, the data are included using control method：
Step 11, interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table have recorded
Mapping relations between the logical address and physical address of the first physical storage areas in the storage device；
Step 12, the history mapping table is arranged to currently used mapping table so that the electronic equipment being capable of base
First physical storage area domain browsing is operated in the history mapping table.
In the specific embodiment of the invention, storage device interacts with electronic equipment, one advance to select to be indicated according to user
The mapping table of preservation, the mapping table is then arranged to currently used mapping table, hereafter, electronic equipment just can be based on the mapping
Table realizes that the access of the physical storage areas to mapping table record operates so that user can enter to the previously saved data got off
Accommodating access.
It should be appreciated that the electronic equipment in the embodiment of the present invention is all can be set using above-mentioned stored digital
Standby equipment, such as computer, mobile phone, PDA.
In a particular embodiment of the present invention, before the mapping table that mapping table is arranged to currently used, in order to mapping
Data in physical storage areas corresponding to table are protected, it should set a guard mode, described protection shape for the region
State can be that physical storage areas is readable not writeable or physical storage areas can not be read and write.
After the mapping table that the mapping table is arranged to currently used, the physics can be deposited according to different scenes
The guard mode in storage area domain releases, and can not also release.
It is illustrated below for the scene for not releasing guard mode.
It is assumed that being mounted with a system of windows 7 on a SSD hard disk, start shooting each time, can all generate one and reflect
Firing table.
So in currently used system, it is possible to by some one in former all history mapping tables
Divide and be mapped in the small space specified, such user's can is by this small space, one just as a small tubes
One section of section sees that user starts shooting data cases corresponding to each mapping table of preservation each time in the past, and also can browses more
The historical upheaval (having portion in each history mapping table) for the file corrected one's mistakes.
When the method for the embodiment of the present invention is applied to above-mentioned scene, it is not necessary to release physical store corresponding to above-mentioned mapping table
The guard mode in space, reason be if by one section be mapped into come, release this mapping before, system power failure, Ran Houge
The data for that snapshot for causing to be partly mapped, then be destroyed by the current mapping status of this hard disk of formulaization.
From another perspective, in above-mentioned scene, if identical physical region is shared between multiple mapping tables, and
History mapping table may share identical physical region with current mapping table, so once a physical region is preserved by some
The mapping table reference to get up, then this physical region can only just read, it is impossible to write, that is, be unable to de-preservation state.
But in the specific embodiment of the invention, after the mapping table that the mapping table is arranged to currently used, also may be used
So that the guard mode of the physical storage areas to be released, will be made below describing in detail.
The method of the embodiment of the present invention can apply to many aspects, be exemplified below respectively.
<Multiple operating system selects>
It is assumed that user is mounted with an operating system A1 in the very first time, corresponding to physical storage areas B1, make in user
During with operating system A1, the B1 regions of storage device are conducted interviews using the first mapping table.
It is assumed that user is mounted with an operating system A2 in the second time, corresponding to physical storage areas B2, make in user
During with operating system A2, the B2 regions of storage device are conducted interviews using the second mapping table.
When certain is once started shooting, it is assumed that now user wants to use operating system A1, and now the first mapping table, which is stored in, deposits
Store up a separate storage region of equipment or be stored in other storage devices of electronic equipment, user's can passes through electronics
Equipment instruction storage device needs to use the first mapping table (specifically how indicating subsequently to be described in detail), and stores and set
It is standby that first mapping table is arranged to by currently used mapping table based on the instruction, and by physical storage areas B1 guard mode solution
Remove, now electronic equipment can be conducted interviews operation based on the first mapping table to physical storage areas B1, realize multiple operating system
Selection.
<The protection of sensitive data>
It is assumed that user generates a customer information record sheet, physical storage areas B3 is stored in, but for the record sheet
User is not desired to be read by others at any time, and now user can generate the 3rd mapping table, records B3 and logical address
Mapping relations, then the mapping table is saved, and it (can be nothing to set physical storage areas B3 to be in guard mode
Method read and write or it is read-only, but should be arranged to read and write in this example).
When user wants to use the customer information record sheet some day, then storage device can be indicated by electronic equipment
Need to use the 3rd mapping table (specifically how indicating subsequently to be described in detail), and storage device is based on the instruction by the
The mapping table that three mapping tables are arranged to currently used (in this case, also has other mapping tables to be also at currently used shape
State), and physical storage areas B3 guard mode is released, now electronic equipment can be based on the 3rd mapping table to physical store
Region B3 conducts interviews operation, realizes the reading of customer information record sheet.
<The Backup and Restore of system>
It is assumed that user uses physical storage areas B4 under the present circumstances, if user wants the current system of backup,
The 4th mapping table can be generated, the mapping relations of B4 and logical address is recorded, then saves the mapping table, and set
Putting physical storage areas B4 and being in guard mode (can not read and write or read-only, but in this example should
It is arranged to read and write) backed off after random.
During the state preserved before user wants to return to, then storage device can be indicated, make storage device by the 4th
Mapping table is arranged to currently used mapping table, physical storage areas B4 then is cancelled into guard mode, then electronic equipment
Physical storage areas B4 is conducted interviews operation based on the 4th mapping table, realize that system is recovered.
Certainly, it is only two application scenarios above for example, the method for the embodiment of the present invention can be also used for counting
According to other scenes such as rollback, its specific implementation process is not described in detail herein.
In a particular embodiment of the present invention, the storage device is digital storage equipment, such as SSD hard disks.These numerals
The mapping of storage device logic-based address and physical address provides the service of access, and digital storage equipment carries to external electronic device
Conducted interviews for logical address, and logical address and physics are internally realized by the mapping table of logical address and physical address
Address conversion, then provide the actual data access service in physical address.
Mention, under many scenes, finished if user accesses the first physical storage areas using electronic equipment before
Afterwards, in order to be protected to data, also for can also use next time, the data of the embodiment of the present invention use controlling party
Method, in addition to：
After the electronic equipment is based on the mapping table to first physical storage areas execution access operation, foundation
The instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection processing is carried out to first physical storage areas so that first physical storage areas is in read-only shape
State.
After having handled, first physical storage areas is at guard mode, can only read, or can not read and write, and under
When once needing to use, it is only necessary to be re-set as the mapping table for being saved in separate storage region currently used, and cancel
The guard mode of first physical storage areas, then it can continue to conduct interviews to the first physical storage areas.
In a particular embodiment of the present invention, the history mapping table that storage device pre-saves firstly the need of acquisition, and have
How body, which obtains, to realize in several ways, be described as follows.
<Implementation one>
In implementation one, mapping table is stored in the storage device, under this mode, is interacted with electronic equipment,
A history mapping table pre-saved is obtained to specifically include：
The first instruction of the first mapping table of instruction is received from the electronic equipment；
At least two mapping tables selection described first prestored according to the described first instruction from the storage device
Mapping table is as the history mapping table.
It is described as follows.
It is assumed that 3 mapping tables, respectively mapping table 1, mapping table 2 and mapping table 3 have been pre-saved in storage device, this
When, if user has been known a priori by this 3 mapping tables, think directly to use mapping table 2, then can directly by electronic equipment to
Storage device sends the first instruction, and wherein first instruction includes the ID of mapping table 2.
After storage device receives first instruction, the ID that first instruction can obtain mapping table 2 is parsed, it is possible to from
Choose for user table 2 is used as history mapping table in mapping table 1, mapping table 2 and mapping table 3, then carries out subsequent treatment.
<Implementation two>
Implementation two is that mapping table is stored in the storage device with the identical of implementation one, with electronic equipment
Interaction, obtain a history mapping table pre-saved and specifically include：
In the storage device is sent to the electronic equipment after receiving the from the electronic equipment second instruction
The record of preservation has the list of all mapping tables prestored so that electronic equipment can be based on list selection described the
One mapping table；
The first instruction of the first mapping table of instruction is received from the electronic equipment；
At least two mapping tables selection described first prestored according to the described first instruction from the storage device
Mapping table is as the history mapping table.
It is described as follows.
It is assumed that 3 mapping tables, respectively mapping table 1, mapping table 2 and mapping table 3 are pre-saved in storage device.
When user needs selection, the second instruction is sent to storage device by the electronic equipment, indicates storage device
Inform mapping table situation；
After storage device receives second instruction, that is, search the mapping table of itself preservation, i.e. mapping table 1, the He of mapping table 2
Mapping table 3, the record preserved in the storage device is then sent to the electronic equipment all mapping tables prestored
List；
After electronic equipment receives list, the list is presented to user.
Mapping table list Choose for user table 2 of the user based on the presentation, then send the to storage device by electronic equipment
One instruction, wherein first instruction include the ID of mapping table 2.
After storage device receives first instruction, the ID that first instruction can obtain mapping table 2 is parsed, it is possible to from
Choose for user table 2 is used as history mapping table in mapping table 1, mapping table 2 and mapping table 3, then carries out subsequent treatment.
<Implementation three>
In above-mentioned implementation one and two, the mapping table is all stored in storage device, but the mapping table can also be protected
Electronic equipment end is stored in, in this case, a history mapping table pre-saved is obtained and specifically includes：
The 3rd instruction for pre-saving the second mapping table in the electronic equipment is received from the electronic equipment；
Using second mapping table received as the history mapping table.
Under this mode, the mapping table needed to use is directly sent to by storage device by electronic equipment, and storage device
After receiving the mapping table, directly preserve and be set to currently used mapping table.
Certainly, the operation such as can also modify to the mapping table in the embodiment of the present invention, delete, by taking modification as an example, this
The data of inventive embodiments use control method, in addition to：
The 4th instruction of the 3rd mapping table of instruction and new logical addresses is received from the electronic equipment；
Former logical address in first mapping table is replaced with into the new logical addresses；
Preserve the 3rd mapping table after renewal.
And for deletion, not only need to delete mapping table, it is also necessary to by physical storage area corresponding to the mapping table
Domain de-preservation state.
As shown in Fig. 2 to implement flow chart using the method for embodiment of the present invention one kind, including：
Step 21, mapping table list is presented to user in electronic equipment；
Step 22, electronic equipment selects to generate the ID for the mapping table for including user's selection instruction according to user；
Step 23, storage device receives mapping table corresponding to the ID selections of the mapping table selected after instruction according to user, and
The mapping table of selection is arranged to currently used mapping table；
Step 24, physical storage areas is performed based on currently used mapping table in the electronic equipment and accesses operation
Afterwards, the instruction according to electronic equipment, preserves the history mapping table to a separate storage region, and to first physical store
Region carries out protection processing so that first physical storage areas is in read-only status.
After this, user is also an option that this is saved in the mapping table of separate storage region and recovered to realize.
The embodiment of the present invention additionally provides a kind of data and uses control device, for logic-based address and physical address
Mapping is provided in the storage device of the service of access, as shown in figure 3, the data are included using control device：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table
It has recorded the mapping relations between the logical address of the first physical storage areas in the storage device and physical address；
Setup module, for the mapping table to be arranged into currently used mapping table so that the electronic equipment can
First physical storage area domain browsing is operated based on the mapping table.
In a particular embodiment of the present invention, before the mapping table that mapping table is arranged to currently used, in order to mapping
Data in physical storage areas corresponding to table are protected, it should set a guard mode, described protection shape for the region
State can be that physical storage areas is readable not writeable or physical storage areas can not be read and write.
After the mapping table that the mapping table is arranged to currently used, the physics can be deposited according to different scenes
The guard mode in storage area domain releases, and can not also release.
In the case where needing to release, the data of the embodiment of the present invention are also included using control device：
Protection releases module, for being arranged to the mapping table to release first thing after currently used mapping table
Manage the guard mode of storage region.
After use finishes, the embodiment of the present invention can also preserve mapping table, and to corresponding physical storage areas
Protected, in order to which follow-up recovery again uses, in this case, the data of the embodiment of the present invention use control device
Also include：
Preserving module, for performing visit to first physical storage areas based on the mapping table in the electronic equipment
After asking operation, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical store
Region is in read-only status.
The data of the embodiment of the present invention can be used for various digital storage equipments using control device, and especially solid-state is hard
Disk.
In the specific embodiment of the invention, data obtain history mapping table using control device can in several ways, such as：
When mapping table is stored in storage device, the acquisition module specifically includes：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two for being prestored according to the described first instruction from the storage device reflect
Firing table selects first mapping table as the history mapping table.
Certainly, the acquisition module can also include：
Transmitting element, for sending institute to the electronic equipment after the from the electronic equipment second instruction is received
Stating the record preserved in storage device has the list of all mapping tables prestored so that electronic equipment can be based on the row
Table selects first mapping table.
In this case, acquisition module first sends mapping table list and selected for user, then selects to determine further according to user
Mapping table.
Certainly, mapping table can also be stored in electronic equipment, and in this case, the acquisition module specifically includes：
Second receiving unit, for receiving the second mapping pre-saved in the electronic equipment from the electronic equipment
3rd instruction of table；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
When the data of the embodiment of the present invention need to support the modification of mapping table using control device, then also need to include：
Receiving module, for receiving the 4th instruction of the 3rd mapping table of instruction and new logical addresses from the electronic equipment；
Replacement module, for the former logical address in first mapping table to be replaced with into the new logical addresses；
Preserving module, for preserving the 3rd mapping table after updating.
The embodiment of the present invention additionally provides a kind of storage device simultaneously, the storage device logic-based address and physically
The mapping of location provides the service of access, and the storage device includes：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table
It has recorded the mapping relations between the logical address of the first physical storage areas in the storage device and physical address；
Setup module, for the mapping table to be arranged into currently used mapping table so that the electronic equipment can
First physical storage area domain browsing is operated based on the mapping table.
In a particular embodiment of the present invention, before the mapping table that mapping table is arranged to currently used, in order to mapping
Data in physical storage areas corresponding to table are protected, it should set a guard mode, described protection shape for the region
State can be that physical storage areas is readable not writeable or physical storage areas can not be read and write.
After the mapping table that the mapping table is arranged to currently used, the physics can be deposited according to different scenes
The guard mode in storage area domain releases, and can not also release.
In the case where needing to release, the storage device of the embodiment of the present invention also includes：
Protection releases module, for being arranged to the mapping table to release first thing after currently used mapping table
Manage the guard mode of storage region.
Above-mentioned storage device, in addition to：
Preserving module, for performing visit to first physical storage areas based on the mapping table in the electronic equipment
After asking operation, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical store
Region is in read-only status.
Above-mentioned storage device, the acquisition module specifically include：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two for being prestored according to the described first instruction from the storage device reflect
Firing table selects first mapping table as the history mapping table.
Above-mentioned storage device, the acquisition module also include：
Transmitting element, for sending institute to the electronic equipment after the from the electronic equipment second instruction is received
Stating the record preserved in storage device has the list of all mapping tables prestored so that electronic equipment can be based on the row
Table selects first mapping table.
Above-mentioned storage device, the acquisition module specifically include：
Second receiving unit, for receiving the second mapping pre-saved in the electronic equipment from the electronic equipment
3rd instruction of table；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (22)
1. a kind of data use control method, the mapping for logic-based address and physical address provides the storage of the service of access
In equipment, it is characterised in that the data are included using control method：
Interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table have recorded the storage and set
Mapping relations between the logical address and physical address of the first physical storage areas in standby, the history mapping table is described
At least two mapping tables that are prestored in storage device pre-save the mapping table in the electronic equipment；Wherein, institute
Stating the history mapping table that acquisition one pre-saves includes：One mapping table pre-saved is selected according to user's instruction, then will
The mapping table is arranged to currently used mapping table；
The history mapping table is arranged to currently used mapping table so that the electronic equipment can be reflected based on the history
Firing table operates to first physical storage area domain browsing.
2. data according to claim 1 use control method, it is characterised in that also include：The mapping table is set
To release the guard mode of first physical storage areas after currently used mapping table.
3. data according to claim 2 use control method, it is characterised in that also include：
After the electronic equipment is based on the history mapping table to first physical storage areas execution access operation, foundation
The instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection processing is carried out to first physical storage areas so that first physical storage areas is in read-only status.
4. the data according to claim 1 or 2 or 3 use control method, it is characterised in that the storage device is solid-state
Hard disk.
5. the data according to claim 1 or 2 or 3 use control method, it is characterised in that interact, obtain with electronic equipment
A history mapping table pre-saved is taken to specifically include：
The first instruction of the first mapping table of instruction is received from the electronic equipment；
At least two mapping tables selection, first mapping prestored according to the described first instruction from the storage device
Table is as the history mapping table.
6. data according to claim 5 use control method, it is characterised in that are interacted with electronic equipment, it is pre- to obtain one
The history mapping table first preserved also includes：
Preserved in the storage device is sent to the electronic equipment after receiving the from the electronic equipment second instruction
Record have the lists of all mapping tables prestored so that electronic equipment can be based on list selection described first and reflect
Firing table.
7. the data according to claim 1 or 2 or 3 use control method, it is characterised in that what acquisition one pre-saved goes through
History mapping table specifically includes：
The 3rd instruction for pre-saving the second mapping table in the electronic equipment is received from the electronic equipment；
Using second mapping table received as the history mapping table.
8. data according to claim 2 use control method, it is characterised in that also include：
The 4th instruction of the 3rd mapping table of instruction and new logical addresses is received from the electronic equipment；
Former logical address in first mapping table is replaced with into the new logical addresses；
Preserve the 3rd mapping table after renewal.
9. a kind of data use control device, the mapping for logic-based address and physical address provides the storage of the service of access
In equipment, it is characterised in that the data are included using control device：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table record
Mapping relations between the logical address and physical address of the first physical storage areas in the storage device, the history
Mapping table is at least two mapping tables prestored in the storage device or pre-saves reflecting in the electronic equipment
Firing table；Wherein, the history mapping table pre-saved that obtains includes：According to user's instruction come select one pre-save reflect
Firing table, the mapping table is then arranged to currently used mapping table；
Setup module, for the history mapping table to be arranged into currently used mapping table,
The electronic equipment to be based on the history mapping table to operate first physical storage area domain browsing.
10. data according to claim 9 use control device, it is characterised in that also include：
Protection releases module, is deposited for the mapping table to be arranged to release first physics after currently used mapping table
The guard mode in storage area domain.
11. the data according to claim 9 or 10 use control device, it is characterised in that also include：
Preserving module, for performing visit to first physical storage areas based on the history mapping table in the electronic equipment
After asking operation, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical storage areas
In read-only status.
12. the data according to claim 9 or 10 use control device, it is characterised in that the storage device is solid-state
Hard disk.
13. the data according to claim 9 or 10 use control device, it is characterised in that the acquisition module specifically wraps
Include：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two mapping tables prestored according to the described first instruction from the storage device
First mapping table is selected as the history mapping table.
14. data according to claim 13 use control device, it is characterised in that the acquisition module also includes：
Transmitting element, for being deposited after the from the electronic equipment second instruction is received to described in electronic equipment transmission
The record preserved in storage equipment has the list of all mapping tables prestored so that electronic equipment can be based on the list and select
Select first mapping table.
15. the data according to claim 9 or 10 use control device, it is characterised in that the acquisition module specifically wraps
Include：
Second receiving unit, for pre-saving the second mapping table in the electronic equipment from electronic equipment reception
3rd instruction；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
16. the data according to claim 9 or 10 use control device, it is characterised in that also include：
Receiving module, for receiving the 4th instruction of the 3rd mapping table of instruction and new logical addresses from the electronic equipment；
Replacement module, for the former logical address in the first mapping table to be replaced with into the new logical addresses；
Preserving module, for preserving the 3rd mapping table after updating.
17. a kind of storage device, the mapping of the storage device logic-based address and physical address provides the service of access, and it is special
Sign is that the storage device includes：
Acquisition module, for being interacted with electronic equipment, obtain a history mapping table pre-saved, the history mapping table record
Mapping relations between the logical address and physical address of the first physical storage areas in the storage device, the history
Mapping table is at least two mapping tables prestored in the storage device or pre-saves reflecting in the electronic equipment
Firing table；Wherein, the history mapping table pre-saved that obtains includes：According to user's instruction come select one pre-save reflect
Firing table, the mapping table is then arranged to currently used mapping table；
Setup module, for the history mapping table to be arranged into currently used mapping table so that the electronic equipment can
First physical storage area domain browsing is operated based on the history mapping table.
18. storage device according to claim 17, it is characterised in that also include：
Protection releases module, for being arranged to the history mapping table to release first thing after currently used mapping table
Manage the guard mode of storage region.
19. the storage device according to claim 17 or 18, it is characterised in that also include：
Preserving module, access behaviour is performed to first physical storage areas for being based on the mapping table in the electronic equipment
After work, according to the instruction of electronic equipment, the history mapping table is preserved to a separate storage region；
Protection module, for carrying out protection processing to first physical storage areas so that first physical storage areas
In read-only status.
20. the storage device according to claim 17 or 18, it is characterised in that the acquisition module specifically includes：
First receiving unit, for receiving the first instruction of the first mapping table of instruction from the electronic equipment；
First choice unit, at least two mapping tables prestored according to the described first instruction from the storage device
First mapping table is selected as the history mapping table.
21. storage device according to claim 20, it is characterised in that the acquisition module also includes：
Transmitting element, for being deposited after the from the electronic equipment second instruction is received to described in electronic equipment transmission
The record preserved in storage equipment has the list of all mapping tables prestored so that electronic equipment can be based on the list and select
Select first mapping table.
22. the storage device according to claim 17 or 18, it is characterised in that the acquisition module specifically includes：
Second receiving unit, for pre-saving the second mapping table in the electronic equipment from electronic equipment reception
3rd instruction；
Second selecting unit, for second mapping table received to be arranged into the history mapping table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364057.6A CN103116553B (en) | 2011-11-16 | 2011-11-16 | data use control method, device and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364057.6A CN103116553B (en) | 2011-11-16 | 2011-11-16 | data use control method, device and storage device |
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| Publication Number | Publication Date |
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| CN103116553A CN103116553A (en) | 2013-05-22 |
| CN103116553B true CN103116553B (en) | 2017-12-26 |
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| CN104182362B (en) * | 2013-05-24 | 2019-07-26 | 联想(北京)有限公司 | A kind of data use control method and movable storage device |
| CN107797934B (en) * | 2016-09-05 | 2022-07-22 | 北京忆恒创源科技股份有限公司 | Method for processing de-allocation command and storage device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043727A (en) * | 2009-10-10 | 2011-05-04 | 成都市华为赛门铁克科技有限公司 | Method and device for recovering solid-state hard disc mapping table |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043727A (en) * | 2009-10-10 | 2011-05-04 | 成都市华为赛门铁克科技有限公司 | Method and device for recovering solid-state hard disc mapping table |
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