CN109324980A - A kind of L2P table management method, method for reading data, device and equipment - Google Patents
A kind of L2P table management method, method for reading data, device and equipment Download PDFInfo
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- CN109324980A CN109324980A CN201811115375.7A CN201811115375A CN109324980A CN 109324980 A CN109324980 A CN 109324980A CN 201811115375 A CN201811115375 A CN 201811115375A CN 109324980 A CN109324980 A CN 109324980A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007726 management method Methods 0.000 title claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000004590 computer program Methods 0.000 claims description 12
- 238000013507 mapping Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
- G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/1009—Address translation using page tables, e.g. page table structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/72—Details relating to flash memory management
- G06F2212/7201—Logical to physical mapping or translation of blocks or pages
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
This application discloses a kind of L2P table management method, method for reading data, device and equipment, comprising: when storing to target data, determines corresponding logical address and physical address；In sram by the mapped cache between the logical address and the physical address to secondary table；Judge whether the actual content size of presently described secondary table is consistent with the storage size of Physical Page；It is saved if it is, migrating the secondary table to memory, and the save location of the secondary table in the memory is recorded by form in the SRAM, obtain level-one table.The application, only need to be by SRAM and memory in the case where SSD does not have DRAM, can be by the reasonable differentiated control to L2P table, to realize reasonable effective storage to L2P table.
Description
Technical field
This application involves field of data access technology, in particular to a kind of L2P table management method, method for reading data, dress
It sets and equipment.
Background technique
Currently, SSD (i.e. Solid State Drives) is a kind of very widely used storage hard disk, have faster
Data access speed.The basic unit that user accesses SSD is referred to as logical page (LPAGE) (Logical page), and corresponding address is referred to as
Logical address (i.e. LBA, Logical Block Address), and inside SSD, SSD master control is using Hash memory pages as basic unit
Flash memory is read and write, wherein Hash memory pages are referred to as Physical Page (Physical page).User's one data page of every write-in, SSD
Master control will look for a Physical Page that user data is written, and record this mapping relations, use when reading for next SSD.
For the SSD of one piece of 256GB, if using 4KB as the size of logical page (LPAGE), mapping table saves object with 4 bytes
It manages address (i.e. PBA, Physical Block Address), then the size of entire mapping table is (256GB/4KB) * 4B=
256MB, the in general size of mapping table are the one thousandth of SSD.
Current overwhelming majority SSD has onboard DRAM (the i.e. Dynamic Random Access of larger capacity
Memory, dynamic random access memory), for saving L2P table at runtime, (L2P's, i.e. logical address to physical address reflects
It penetrates).SSD only needs to obtain from DRAM when in use.
However, in the prior art, since some manufacturers are based on the considerations of cost, DRAM is not added in SSD, it is this
In the case of, SSD is the requirement for being difficult to meet storage L2P table, to affect the normal read-write of data.
Summary of the invention
In view of this, the application's is designed to provide a kind of L2P table management method, method for reading data, device and sets
It is standby, it can realize that the reasonable classification to L2P table stores in SSD in the case where no carrying DRAM.Its concrete scheme is as follows:
In a first aspect, this application discloses a kind of L2P table management methods, comprising:
When storing to target data, corresponding logical address and physical address are determined；
In sram by the mapped cache between the logical address and the physical address to secondary table；
Judge whether the actual content size of presently described secondary table is consistent with the storage size of Physical Page；
It saves if it is, migrating the secondary table to memory, and is remembered in the SRAM by form
The save location of the secondary table in the memory is recorded, level-one table is obtained.
Optionally, described in sram by the mapped cache between the logical address and the physical address to secondary table
Before, further includes:
According to the amount of capacity of SSD, second level table size is calculated；
According to the second level table size, corresponding blank secondary table is created.
Optionally, described that the preservation position of the secondary table in the memory is recorded by form in the SRAM
It sets, before obtaining level-one table, further includes:
According to the second level table size, level-one table size is calculated；
According to the level-one table size, corresponding blank level-one table is created.
Optionally, the actual content size for judging presently described secondary table whether the storage size phase one with Physical Page
After cause, further includes:
If it is not, then the secondary table is continued to be stored in the SRAM.
Second aspect, this application discloses a kind of method for reading data, comprising:
Obtain the data read request comprising logical address corresponding with target data；
Judge secondary table corresponding with the logical address whether is saved in current SRAM；
If it is not, then the ranges of logical addresses according to locating for the logical address determines corresponding level-one table；
According to the save location recorded in the level-one table, corresponding secondary table is read out from memory, then basis should
Physical address corresponding with the logical address reads the target data in secondary table.
Optionally, described to judge after whether saving secondary table corresponding with the logical address in current SRAM, also wrap
It includes:
If it is, read out corresponding secondary table from the SRAM, then according in the secondary table with the logic
The corresponding physical address in address reads out the target data.
The third aspect, this application discloses a kind of L2P table managing devices, comprising:
Address determination module, for when storing to target data, determining corresponding logical address and physical address；
Mapped cache module, in sram by the mapped cache between the logical address and the physical address extremely
Secondary table；
Whether first judgment module, the actual content size for judging presently described secondary table are big with the storage of Physical Page
It is small consistent；
Transferring module, for when the first judgment module judging result be it is yes, then the secondary table is migrated to interior
Capable preservation is deposited into, and the save location of the secondary table in the memory is recorded by form in the SRAM, is obtained
To level-one table.
Fourth aspect, this application discloses a kind of reading data devices, comprising:
Request module, for obtaining the data read request comprising logical address corresponding with target data；
Second judgment module, for judging whether save secondary table corresponding with the logical address in current SRAM；
Information determination module, for when second judgment module judging result be it is no, then according to the logical address
Locating ranges of logical addresses determines corresponding level-one table；
Data read module, it is corresponding for being read out from memory according to the save location recorded in the level-one table
Then secondary table reads the target data according to physical address corresponding with the logical address in the secondary table.
5th aspect, this application discloses a kind of L2P table management equipments, comprising:
Memory, for storing computer program；
Processor, for executing the computer program, to realize aforementioned disclosed L2P table management method.
6th aspect, this application discloses a kind of reading data equipment, comprising:
Memory, for storing computer program；
Processor, for executing the computer program, to realize aforementioned disclosed method for reading data.
As it can be seen that the application when target data stores, first determines corresponding logical address and physical address, then
In sram by the mapped cache between logical address and physical address to secondary table, and work as the actual content of this secondary table
When size is as the storage size of Physical Page, which can be migrated to memory and be saved, and record should in sram
The save location of secondary table in memory, only need to be by SRAM and interior in the case where SSD does not have DRAM it is possible thereby to make
It deposits, it can be by the reasonable differentiated control to L2P table, to realize reasonable effective storage to L2P table.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of L2P table management method flow chart disclosed in the present application；
Fig. 2 is a kind of specific L2P table management method flow chart disclosed in the present application；
Fig. 3 is a kind of method for reading data flow chart disclosed in the present application；
Fig. 4 is a kind of L2P table managing device structural schematic diagram disclosed in the present application；
Fig. 5 is a kind of reading data apparatus structure schematic diagram disclosed in the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of L2P table management method, shown in Figure 1, this method comprises:
Step S11: when storing to target data, corresponding logical address and physical address are determined.
It is understood that will form corresponding logical address and physically when by the storage of some data into SSD
Location.User arrives above-mentioned data by the way that logical address is accessible, and SSD master control is then to carry out data based on above-mentioned physical address
It saves.
Step S12: will in SRAM (i.e. Static Random Access Memory, static random access memory)
Mapped cache between the logical address and the physical address is to secondary table.
That is, the present embodiment, after determining the corresponding logical address of target data and physical address, meeting is first by the logic
Secondary table of the mapped cache into SRAM between address and physical address.It is pointed out that the so-called second level of the present embodiment
Table essentially refers to the table of the mapping between the logical address and physical address for recording write-in data, and is hereafter mentioned
To level-one table respectively indicate the table of different stage.
It is further noted that can store a plurality of map record in a secondary table in the present embodiment, wherein two
The actual content size of map record that can be stored in grade table can specifically be set according to the actual situation, for example, can be with
The actual content size that can be stored in a secondary table is determined based on the storage size of a Physical Page.
Specifically, described in sram by the mapped cache between the logical address and the physical address to secondary table
Before, it can also include: amount of capacity according to SSD, calculate second level table size, according to the second level table size, create phase
The blank secondary table answered.
In addition, it is necessary to which, it is noted that the secondary table in the present embodiment is according to the corresponding logical address of different target data
Size order store corresponding map record, also mean that in this way, different secondary tables corresponds in the present embodiment
Different ranges of logical addresses.
Step S13: judge whether the actual content size of presently described secondary table is consistent with the storage size of Physical Page.
Step S14: saving if it is, migrating the secondary table to memory, and passes through table in the SRAM
Case form records the save location of the secondary table in the memory, obtains level-one table.
That is, in the present embodiment, deposited when the actual content size of the secondary table saved in SRAM is increased to Physical Page
When storage size is consistent, which can be migrated to memory and be saved, and can recorded in a manner of table in sram
The save location of secondary table in memory after above-mentioned migration, to obtain level-one table corresponding with the secondary table.Wherein, above-mentioned
Save location specifically can be corresponding physical storage address when secondary table saves in memory.Further it will be understood that will
Any one secondary table is migrated from SRAM to memory, then the secondary table will not save in sram again, but is saved
Into memory.
In the present embodiment, level-one table is recorded in SRAM, since what is recorded in level-one table is secondary table in memory
In the corresponding save location of memory, without recording reflecting between logical address and physical address corresponding to numerous target datas
It penetrates, the mapping between the logical address and physical address of target data is recorded by secondary table, can be made in this way when any
Secondary table is migrated to after memory, and the storage burden as caused by secondary table in SRAM can be effectively reduced.
In addition, corresponding to different ranges of logical addresses, and different two by secondary tables different in this present embodiment
Grade table corresponds to different level-one tables, it follows that level-one table different in the present embodiment correspondingly also corresponds to different patrol
Collect address range.After the present embodiment has created a level-one table in sram, can simultaneously record in sram the level-one table with
Corresponding relationship between corresponding ranges of logical addresses, for example, can directly be recorded in level-one table it is corresponding logically
Location range so that it is convenient to subsequent user when reading specific data, can be first according to locating for the logical address of the specific data
Ranges of logical addresses determines corresponding level-one table from SRAM, and corresponding two are then determined from memory by level-one table again
Grade table, reads out corresponding specific data finally by the physical address recorded in secondary table.
It is understood that described record the secondary table in the memory by form in the SRAM
Save location can also include: to calculate level-one table size according to the second level table size before obtaining level-one table；According to institute
Level-one table size is stated, corresponding blank level-one table is created.
As it can be seen that the embodiment of the present application when target data is stored, first determines corresponding logical address and physically
Location, then in sram by the mapped cache between logical address and physical address to secondary table, and when this secondary table
When actual content size is as the storage size of Physical Page, which can be migrated to memory and be saved, and in SRAM
It is middle to record the save location of the secondary table in memory, it is possible thereby to make, in the case where SSD does not have DRAM, need to only pass through
SRAM and memory, can be by the reasonable differentiated control to L2P table, to realize reasonable effective storage to L2P table.
Shown in Figure 2, the embodiment of the present application discloses a kind of specific L2P table management method, comprising:
Step S21: when storing to target data, corresponding logical address and physical address are determined.
Step S22: in sram by the mapped cache between the logical address and the physical address to secondary table.
Step S23: judge whether the actual content size of presently described secondary table is consistent with the storage size of Physical Page.
Step S24: saving if it is, migrating the secondary table to memory, and passes through table in the SRAM
Case form records the save location of the secondary table in the memory, obtains level-one table.
Step S25: if it is not, then the secondary table is continued to be stored in the SRAM.
As it can be seen that the present embodiment is in the actual content size of secondary table and the inconsistent storage size of Physical Page, that is,
When the actual content size of secondary table is less than the storage size of Physical Page, illustrate that there is also the storages of blank in the secondary table at this time
Space, it is possible to continue to enable it to save in sram, until its practical content size is consistent with the storage size of Physical Page,
Then it is migrated and is saved into memory.
Shown in Figure 3, the embodiment of the present application also discloses a kind of method for reading data, comprising:
Step S31: the data read request comprising logical address corresponding with target data is obtained；
Step S32: judge secondary table corresponding with the logical address whether is saved in current SRAM；
Step S33: if it is not, then the ranges of logical addresses according to locating for the logical address determines corresponding level-one
Table；
Step S34: according to the save location recorded in the level-one table, corresponding secondary table is read out from memory, so
The target data is read according to physical address corresponding with the logical address in the secondary table afterwards.
It is understood that the method for reading data in the present embodiment is and L2P table management disclosed in previous embodiment
Method is that reciprocal correspondence is matching used, about between level-one table involved in this embodiment, secondary table, SRAM and memory
Connection can no longer be repeated herein with reference to content disclosed in previous embodiment.
It, can be in addition, described judge after whether saving secondary table corresponding with the logical address in current SRAM
Further comprise:
If it is, read out corresponding secondary table from the SRAM, then according in the secondary table with the logic
The corresponding physical address in address reads out the target data.
Shown in Figure 4, the embodiment of the present application also discloses a kind of L2P table managing device, comprising:
Address determination module 11, for when storing to target data, determining corresponding logical address and physically
Location；
Mapped cache module 12, in sram by the mapped cache between the logical address and the physical address
To secondary table；
First judgment module 13, for judge presently described secondary table actual content size whether the storage with Physical Page
Size is consistent；
Transferring module 14, for when the first judgment module 13 judging result be it is yes, then the secondary table is migrated
It is saved to memory, and the preservation position of the secondary table in the memory is recorded by form in the SRAM
It sets, obtains level-one table.
It wherein, can be with reference to disclosed in previous embodiment accordingly about the more specifical course of work of above-mentioned modules
Content is no longer repeated herein.
As it can be seen that the embodiment of the present application when target data is stored, first determines corresponding logical address and physically
Location, then in sram by the mapped cache between logical address and physical address to secondary table, and when this secondary table
When actual content size is as the storage size of Physical Page, which can be migrated to memory and be saved, and in SRAM
It is middle to record the save location of the secondary table in memory, it is possible thereby to make, in the case where SSD does not have DRAM, need to only pass through
SRAM and memory, can be by the reasonable differentiated control to L2P table, to realize reasonable effective storage to L2P table.
Shown in Figure 5, the embodiment of the present application also discloses a kind of reading data device, comprising:
Request module 21, for obtaining the data read request comprising logical address corresponding with target data；
Second judgment module 22, for judging whether save secondary table corresponding with the logical address in current SRAM；
Information determination module 23, for when second judgment module 22 judging result be it is no, then according to the logic
Ranges of logical addresses locating for address determines corresponding level-one table；
Data read module 24, it is corresponding for being read out from memory according to the save location recorded in the level-one table
Secondary table, the target data is then read according to physical address corresponding with the logical address in the secondary table.
It wherein, can be with reference to disclosed in previous embodiment accordingly about the more specifical course of work of above-mentioned modules
Content is no longer repeated herein.
Further, disclosed herein as well is a kind of L2P table management equipments, comprising:
Memory, for storing computer program；
Processor, for executing the computer program, to realize L2P table management method disclosed in previous embodiment.
Wherein, corresponding contents disclosed in previous embodiment can be referred to about the specific steps of above-mentioned L2P table management method,
It is no longer repeated herein.
Further, disclosed herein as well is a kind of reading data equipment, comprising:
Memory, for storing computer program；
Processor, for executing the computer program, to realize method for reading data disclosed in previous embodiment.
Wherein, corresponding contents disclosed in previous embodiment can be referred to about the specific steps of above-mentioned method for reading data,
It is no longer repeated herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of L2P table management method, method for reading data, device and equipment provided herein have been carried out in detail above
Thin to introduce, specific examples are used herein to illustrate the principle and implementation manner of the present application, and above embodiments are said
It is bright to be merely used to help understand the present processes and its core concept；At the same time, for those skilled in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as the limitation to the application.
Claims (10)
1. a kind of L2P table management method characterized by comprising
When storing to target data, corresponding logical address and physical address are determined；
In sram by the mapped cache between the logical address and the physical address to secondary table；
Judge whether the actual content size of presently described secondary table is consistent with the storage size of Physical Page；
It is saved if it is, migrating the secondary table to memory, and institute is recorded by form in the SRAM
The save location of secondary table in the memory is stated, level-one table is obtained.
2. L2P table management method according to claim 1, which is characterized in that described in sram by the logical address
Before mapped cache to secondary table between the physical address, further includes:
According to the amount of capacity of SSD, second level table size is calculated；
According to the second level table size, corresponding blank secondary table is created.
3. L2P table management method according to claim 2, which is characterized in that described to pass through table shape in the SRAM
Formula records the save location of the secondary table in the memory, before obtaining level-one table, further includes:
According to the second level table size, level-one table size is calculated；
According to the level-one table size, corresponding blank level-one table is created.
4. L2P table management method according to any one of claims 1 to 3, which is characterized in that the judgement presently described two
After whether the actual content size of grade table is consistent with the storage size of Physical Page, further includes:
If it is not, then the secondary table is continued to be stored in the SRAM.
5. a kind of method for reading data characterized by comprising
Obtain the data read request comprising logical address corresponding with target data；
Judge secondary table corresponding with the logical address whether is saved in current SRAM；
If it is not, then the ranges of logical addresses according to locating for the logical address determines corresponding level-one table；
According to the save location recorded in the level-one table, corresponding secondary table is read out from memory, then according to the second level
Physical address corresponding with the logical address reads the target data in table.
6. method for reading data according to claim 5, which is characterized in that it is described judge whether to save in current SRAM with
After the corresponding secondary table of the logical address, further includes:
If it is, read out corresponding secondary table from the SRAM, then according in the secondary table with the logical address
Corresponding physical address reads out the target data.
7. a kind of L2P table managing device characterized by comprising
Address determination module, for when storing to target data, determining corresponding logical address and physical address；
Mapped cache module, in sram by the mapped cache between the logical address and the physical address to second level
Table；
First judgment module, for judge presently described secondary table actual content size whether the storage size phase with Physical Page
Unanimously；
Transferring module, for when the first judgment module judging result be it is yes, then the secondary table is migrated to interior and is deposited into
Row saves, and records the save location of the secondary table in the memory by form in the SRAM, obtains one
Grade table.
8. a kind of reading data device characterized by comprising
Request module, for obtaining the data read request comprising logical address corresponding with target data；
Second judgment module, for judging whether save secondary table corresponding with the logical address in current SRAM；
Information determination module, for when second judgment module judging result be it is no, then according to locating for the logical address
Ranges of logical addresses determine corresponding level-one table；
Data read module, for reading out corresponding second level from memory according to the save location recorded in the level-one table
Then table reads the target data according to physical address corresponding with the logical address in the secondary table.
9. a kind of L2P table management equipment characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program, to realize such as the described in any item L2P table managers of Claims 1-4
Method.
10. a kind of reading data equipment characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program, to realize such as method for reading data described in claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115375.7A CN109324980A (en) | 2018-09-25 | 2018-09-25 | A kind of L2P table management method, method for reading data, device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115375.7A CN109324980A (en) | 2018-09-25 | 2018-09-25 | A kind of L2P table management method, method for reading data, device and equipment |
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| CN109324980A true CN109324980A (en) | 2019-02-12 |
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| CN201811115375.7A Withdrawn CN109324980A (en) | 2018-09-25 | 2018-09-25 | A kind of L2P table management method, method for reading data, device and equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540726A (en) * | 2020-12-02 | 2021-03-23 | 深圳市硅格半导体有限公司 | Data reading method, system, device and medium of solid-state storage device |
| CN113127378A (en) * | 2020-07-16 | 2021-07-16 | 长江存储科技有限责任公司 | Data reading method and device and data storage equipment |
| CN114756404A (en) * | 2022-06-15 | 2022-07-15 | 上海江波龙数字技术有限公司 | Data processing method and device, electronic equipment and storage medium |
-
2018
- 2018-09-25 CN CN201811115375.7A patent/CN109324980A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113127378A (en) * | 2020-07-16 | 2021-07-16 | 长江存储科技有限责任公司 | Data reading method and device and data storage equipment |
| CN113127378B (en) * | 2020-07-16 | 2024-04-26 | 长江存储科技有限责任公司 | Data reading method and device and data storage device |
| CN112540726A (en) * | 2020-12-02 | 2021-03-23 | 深圳市硅格半导体有限公司 | Data reading method, system, device and medium of solid-state storage device |
| CN114756404A (en) * | 2022-06-15 | 2022-07-15 | 上海江波龙数字技术有限公司 | Data processing method and device, electronic equipment and storage medium |
| CN114756404B (en) * | 2022-06-15 | 2024-04-05 | 上海江波龙数字技术有限公司 | Data processing method, device, electronic equipment and storage medium |
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