CN106406768A - Android system user data partitioning adjustment method and device - Google Patents
Android system user data partitioning adjustment method and device Download PDFInfo
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- CN106406768A CN106406768A CN201610857382.9A CN201610857382A CN106406768A CN 106406768 A CN106406768 A CN 106406768A CN 201610857382 A CN201610857382 A CN 201610857382A CN 106406768 A CN106406768 A CN 106406768A
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- subregion
- user data
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- intelligent terminal
- partition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0608—Saving storage space on storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0632—Configuration or reconfiguration of storage systems by initialisation or re-initialisation of storage systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
Abstract
The invention discloses an android system user data partitioning adjustment method and device, and belongs to the technical field of communications. The android system user data partitioning adjustment method comprises that when a system is powered on, each entry in a partition mount script is analyzed in order to mount each partition; whether the current mounted partition is a user data partition or not is determined; if the current mounted partition is the user data partition, whether the total capacity of the storage space of an intelligent terminal is larger than the sum of the capacity of all the partitions or not is determined, wherein the user data partition is the last partition in the storage space of the intelligent terminal; if the total capacity of the storage space of the intelligent terminal is larger than the sum of the capacity of all the partitions, resize2fs operation is executed in order to readjust the size of the user data partition, and the difference between the sum of the capacity of all the partitions after the adjustment process and the total capacity of the storage space of the intelligent terminal is smaller than a preset value; and other partitions are continued to be mounted until all the partitions are mounted. Thus, the user data partition serves as the last partition, and the size of the user data partition is adjusted according to the actual storage space, the storage utilization rate is increased, people do not need to set the size of each partition manually according to the storage capacity of different memories every time, and the operation complex degree of developers is reduced.
Description
Technical field
The present invention relates to the Android system user data subarea adjustment of communication technical field, more particularly, to intelligent terminal
And device.
Background technology
At present, how the requirement more and more higher to memory capacity with people, fully improve available memory capacity and shifting
The utilization rate of the memory space of dynamic terminal memory has become as the direction of the research of each mobile terminal manufacturer.Currently, mobile
The memory that terminal is commonly used is generally emmc, on traditional approach, for the emmc of fixed capacity size, OEM vendor according to point
Area's size arranges the userdata subregion (user data subregion, userdata subregion) of fixed capacity and built-in SD card subregion etc.,
Built-in SD card storage size now is fixing, and its capacity is defined by OEM vendor.But when platform is constant, if apolegamy capacity
It is necessary to again configure userdata partition size manually again during different emmc equipment.If configuration partition size is far little
In emmc capacity, so will result in the great waste of free memory, need to arrange manually also to research and development simultaneously every time
Personnel bring larger workload, make attended operation more loaded down with trivial details.
Therefore, it is necessary to provide a kind of Android system user data subarea adjustment and device, it is to avoid above-mentioned situation
Occur.
Content of the invention
Present invention is primarily targeted at proposing a kind of Android system user data subarea adjustment and device, make intelligence
The size of user data subregion can be adjusted during starting up of terminal according to the size adaptation of memory, improve memory space and utilize
Rate, reduces research staff's workload simultaneously, makes maintenance more simple.
For achieving the above object, a kind of Android system user data subarea adjustment that the present invention provides, is applied to intelligence
Energy terminal, methods described includes step：
During starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Judge whether when front mount subregion be user data subregion；
If so, judge whether described intelligent terminal memory space total capacity is more than each partition size summation；Wherein, described use
User data subregion is last subregion in described intelligent terminal memory space；
If so, then execution resize2fs operates to readjust the size of user data subregion, and after making adjustment, each subregion is big
Little summation is less than preset value with the difference of intelligent terminal memory space total capacity；
Continue other subregions of carry until all subregion carries finish.
Alternatively, during described starting up's system, in parsing subregion carry script, each entry is with each point of carry successively
Before the step in area, methods described also includes：
Download each compiled subregion mirror image according to initial configuration subregion list file successively empty to described intelligent terminal storage
Between to form each subregion, wherein, embedded memory card subregion is formed by a subdirectory under described user data subregion；
Generate described subregion carry script according to each subregion being formed；Wherein, described subregion carry with regard to script logging each
Partition information, described partition information includes each subregion mount point and device path information, divisional type, partition size.
Alternatively, described foundation initial configuration subregion list file downloads each compiled subregion mirror image successively to described intelligence
The memory space of terminal with form each subregion step before, methods described also includes：
Generate described initial configuration subregion list file according to manufacturer's input；Wherein, described user data subregion entry is located at
In described initial configuration subregion list file last, described subregion entry includes the corresponding filename of each subregion, file size
And file attribute information.
Alternatively, described execution resize2fs operates to readjust the size of user data subregion, makes each point after adjustment
After the difference of area's size summation and intelligent terminal memory space total capacity is less than the step of preset value, methods described also includes：
Change described subregion carry script and preserve according to amended described user data subregion；
Create self-adaptative adjustment to identify and preserve.
Alternatively, before the step whether front mount subregion is user data subregion is worked as in described judgement, methods described is also wrapped
Include：
Whether there is described self-adaptative adjustment mark in detecting system, if so, then direct basis analysis result carry each
Subregion；
If it is not, then executing when carry current bay, judge that whether described subregion is the step of user data subregion.
Additionally, for achieving the above object, the present invention also proposes a kind of Android system user data subregion adjusting apparatus, application
In intelligent terminal, described device includes：
Parsing module, in starting up's system, in parsing subregion carry script, each entry is with each point of carry
Area；
Judge module, for judging whether when front mount subregion be user data subregion；
Described judge module is additionally operable to, when described subregion is user data subregion, judge described intelligent terminal memory space
Whether total capacity is more than each partition size summation；Wherein, described user data subregion is in described intelligent terminal memory space
Last subregion；
Adjusting module, for when described intelligent terminal memory space total capacity is more than each partition size summation, executing
Resize2fs operates to readjust the size of user data subregion, and after making adjustment, each partition size summation is deposited with intelligent terminal
The difference of storage space total capacity is less than preset value；
Carry module, for continuing other subregions of carry until all subregion carries finish.
Alternatively, described device also includes：
Download module, for downloading each compiled subregion mirror image successively to described intelligence according to initial configuration subregion list file
, to form each subregion, wherein, embedded memory card subregion is by a specific item under described user data subregion for energy terminal storage space
Record is formed；
Generation module, for generating described subregion carry script according to each subregion being formed；Wherein, described subregion carry is just
Each partition information of script logging, described partition information includes each subregion mount point and device path information, divisional type, subregion
Size.
Alternatively, described device also includes：
Configuration module, for generating described initial configuration subregion list file according to manufacturer's input；Wherein, described user data
Subregion entry be located at described initial configuration subregion list file in last, described subregion entry includes the corresponding file of each subregion
Name, file size and file attribute information.
Alternatively, described device also includes：
Modified module, for changing described subregion carry script and preserving according to amended described user data subregion；
Creation module, identifies and preserves for creating self-adaptative adjustment.
Alternatively, described device also includes：Described device also includes：
Detection module, for whether there is described self-adaptative adjustment mark in detecting system,
Described carry module is additionally operable to when described self-adaptative adjustment mark is detected, and direct basis analysis result carry is each
Individual subregion.
Android system user data subarea adjustment proposed by the present invention and device, in intelligent terminal starting up's system
When, in parsing subregion carry script, each entry is with each subregion of carry；Judge whether when front mount subregion be that user data divides
Area；If so, judge whether described intelligent terminal memory space total capacity is more than each partition size summation；Wherein, described number of users
It is last subregion in described intelligent terminal memory space according to subregion；If so, then execution resize2fs operates again to adjust
The size of whole user data subregion, after making adjustment, each partition size summation and the difference of intelligent terminal memory space total capacity are less than in advance
If value；Continue other subregions of carry until all subregion carries finish.By using user data subregion as last subregion,
Achieve the self-adaptative adjustment of this partition size when first powering on, improve memory storage utilization rate, and at intelligent end
When end uses different memories, it is big that manufacturer need not arrange each subregion according to the memory capacity of different memory every time manually
Little, decrease developer's operation, save exploitation and safeguard resource.
Brief description
The schematic flow sheet of the Android system user data subarea adjustment that Fig. 1 provides for first embodiment of the invention；
The schematic flow sheet of the Android system user data subarea adjustment that Fig. 2 provides for second embodiment of the invention；
Fig. 3 is to download the subregion schematic diagram that image file background storage is formed in the present invention；
The schematic flow sheet of the Android system user data subarea adjustment that Fig. 4 provides for third embodiment of the invention；
The functional module of the Android system user data subregion adjusting apparatus that Fig. 5 provides for fourth embodiment of the invention is illustrated
Figure；
The functional module of the Android system user data subregion adjusting apparatus that Fig. 6 provides for fifth embodiment of the invention is illustrated
Figure；
The functional module of the Android system user data subregion adjusting apparatus that Fig. 7 provides for sixth embodiment of the invention is illustrated
Figure.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
It should be noted that various embodiments of the present invention are mainly used in the such as all kinds of intelligence such as smart mobile phone, panel computer
Terminal, is particularly suited for employing the intelligent terminal of the single operating system of Android system or multiple operating system.
It should be noted that for the terminal using Android system, being required for the mirror image of the corresponding subregion of pre-production
File, and downloaded successively according to the configuration subregion list file (such as partition.xml table) that developer sets before dispatching from the factory
To in intelligent terminal and make memory according to downloading order formed respective partition.Such as ramdisk.img (root file mirrors),
System.img (system image), userdata.img (user data mirror image), bootloader subregion, boot subregion,
System subregion, userdata subregion etc..Wherein, ramdisk.img is root file system, and system.img includes main
The files such as bag, storehouse, userdata.img includes some user data., Android system adds taking above three image file as a example
After carrying this 3 image files, can system and userdata be loaded into respectively system in ramdisk file system and
Under data catalogue.Because system.img and userdata.img adopts Ext4 (forth generation extension file system) form to build,
Specify that according to standard the mirror image building using Ext4 form needs prespecified mirror image size, so that in mirror image loading procedure
In, according to prespecified mirror image size, the total data comprising is loaded into the mount directory of this subregion in this subregion mirror image
Under, in the prior art, the size of image file determines the size of subregion, and meanwhile, the sequence of subregion is civilian with configuration partition table
In part each subregion corresponding entry put in order corresponding.
Based on above-mentioned intelligent terminal and Android system, each embodiment of the inventive method is proposed.
As shown in figure 1, first embodiment of the invention proposes a kind of Android system user data subarea adjustment, it is applied to
Intelligent terminal, methods described includes：
Step S100, during starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Specifically, during intelligent terminal starting up system, according to Android system boot sequence, adjust after starting bootloader
With linux kernel, now, start to start Android system, execution late_init service, trigger trigger_fs, execute mount_
All fstab.qcom orders, start parse subregion carry script fstab.qcom in each entry with each in carry memory
Individual subregion, will each image file be located subregion be mounted in corresponding catalogue, make user can by access this catalogue with
Access corresponding subregion.It is understood that an entry corresponds to a subregion in subregion carry script, but, the extension of each subregion
Load order might not be identical with its order in memory, for example, A subregion in memory position before B subregion, but its
Actual carry order can be after B subregion carry.The position in memory of each subregion and start-stop address when dispatching from the factory
Preset via developer.Each partition information in subregion carry script logging, including the routing information of each subregion mount point, point
Area's type, partition size.Start rear mount order has no effect on district location distribution.
Step S101, judges whether when front mount subregion be user data subregion；If so, then enter step S102, judge
Whether described intelligent terminal memory space total capacity is more than each partition size summation；If so, then enter step S103；
Specifically, during each subregion of carry, before every one subregion of carry, intelligent terminal needs subregion is identified
To judge whether when front mount subregion be user data subregion, has recorded the title of each subregion in fstab.qcom, therefore, hang
When carrying each subregion, intelligent terminal can recognize this subregion.For user data subregion, need according to currently intelligence eventually
The total capacity of end memory judges whether to need to carry out dilatation to it, if according to fstab.qcom analysis result, now memory
Total capacity be more than each subregion size, then explanation memory utilization rate can also improve, now need to described user
The size of data partition carries out self-adaptative adjustment, to improve memory utilization rate.It is understood that for avoiding affecting other points
The position in area and make the operation of self-adaptative adjustment reach and simplify most, user data subregion could be arranged to described intelligent terminal and deposits
Last subregion in storage space, this setting is arranged in Default Value subregion list file by developer, it is alternatively possible to
The last item that corresponding for user data subregion entry is placed in partition.xml table is so that form on a memory
During subregion, user data subregion can be last subregion, if subsequently user data subregion need to be expanded, only need to change this user
Data partition end address in memory.
Step S103, execution resize2fs operates to readjust the size of user data subregion, makes each subregion after adjustment
Size summation is less than preset value with the difference of intelligent terminal memory space total capacity；
Specifically, the actual size for adjusting this partitioned file system of the size of adjustment user data subregion, because user
The file system of data partition is Ext4, therefore, during carry user data subregion, calls resize2fs application program, and passes
Enter corresponding blk_device, the |input paramete of fs_type, resize2fs will redefine the size of file system, herein
Blk_device, fs_type are the |input paramete of resize2fs application program, and blk_device refers to needs and is sized
Subregion path or title, fs_type represents file system type.With user data subregion Actual path for/dev/
As a example block/bootdevice/by-name/userdata, then blk_device is /dev/block/ herein
Bootdevice/by-name/userdata, fs_type are Ext4.Adjusted value can determine according to the setting of developer, example
As developer can set a preset value as the judge threshold value of each partition size summation and the difference of memory total capacity.
Before to adjust, the difference of each partition size summation and intelligent terminal memory space total capacity is as 2G, as a example preset value is 100M, now,
2G free space is there remains after user data subregion, in order that remaining space controls in 100M, then number of users after this time adjusting
According to subregion more than 2G-100M=1948M at least to be expanded, intelligent terminal can randomly choose arbitrary 1948 value of being more than as tune
Whole value is it is also possible to directly all open up remaining 2G remaining space as user data subregion.Have adjusted the big of file system
After little, intelligent terminal according to the file system mounted user data subregion after adjustment, now, the size of user data subregion with
The big minor change of file system and change simultaneously, memory storage space utilization rate is improved.
Step S104, continues other subregions of carry until all subregion carries finish.
Whether carry out needing to carry out self-adaptative adjustment when specifically, regardless of carry user data subregion, intelligent terminal all can
Subregion carry script other subregions of carry one by one, until all of subregion carry finishes.
Android system user data subarea adjustment proposed by the present invention, in intelligent terminal starting up's system, solution
In analysis subregion carry script, each entry is with each subregion of carry；Judge whether when front mount subregion be user data subregion；If
It is to judge whether described intelligent terminal memory space total capacity is more than each partition size summation；Wherein, described user data subregion
For last subregion in described intelligent terminal memory space；If so, then execution resize2fs operates to readjust user
The size of data partition, after making adjustment, each partition size summation and the difference of intelligent terminal memory space total capacity are less than preset value；
Continue other subregions of carry until all subregion carries finish., realize as last subregion by using user data subregion
The self-adaptative adjustment of this partition size when first powering on, improves memory storage utilization rate, and makes in intelligent terminal
During with different memory, manufacturer need not arrange each partition size according to the memory capacity of different memory every time manually, subtracts
Lack developer's operation, saved exploitation and safeguard resource.
Refer to Fig. 2, be the schematic flow sheet of second embodiment of the invention Android system user data subarea adjustment.
The method is applied to intelligent terminal, and in the present embodiment, methods described includes：
Step S200, generates initial configuration subregion list file according to manufacturer's input；
Specifically, subregion list file is the partition.xml table mentioned in first embodiment, and this subregion list file is by opening
The personnel of sending out set use before dispatching from the factory, for carrying out zone configuration to the memory of intelligent terminal.Wrap in partition.xml table
Containing multiple subregion entries, each entry corresponds to a subregion, and including the corresponding filename of each subregion, file size and file belong to
Property information.Wherein, described user data subregion entry be located at initial configuration subregion list file in last.
Step S201, downloads each compiled subregion mirror image to described intelligence successively according to described initial configuration subregion list file
, to form each subregion, wherein, embedded memory card subregion is by a specific item under described user data subregion for energy terminal storage space
Record is formed；
Specifically, when entirely wiping download using instrument, intelligent terminal is according to partition.xml table each corresponding mirror image
From memory head start order programming to memory, sequentially form each subregion, such as described in Fig. 3 be download mirror image literary composition
Each subregion schematic diagram in part background storage, it should be noted that each subregion of in figure is only and illustrating rather than limit the present invention, real
During the application of border, each partition name and number of partitions can be changed according to different intelligent terminal.In the present embodiment, actual point
In area and be not provided with traditional embedded memory card subregion, i.e. built-in SD card subregion, this subregion and traditional user data subregion two
Unification becomes new user data subregion, the user data subregion being carried in each embodiment in the present invention, now, built-in storage
Card subregion can be formed by a subdirectory under user data subregion, and that is, now embedded memory card subregion is virtual partition.Afterwards
During continuous carry user data subregion, embedded memory card subregion is also simultaneously by carry, with the corresponding mount directory of user data subregion
For ... as a example/data, then under/data/media/0 catalogue that embedded memory card subregion will be mounted to ....Meanwhile, because number of users
According to subregion entry be located at initial configuration subregion list file in last, therefore user data subregion be located at memory last,
When whole memory capacity is larger, there is remaining space in the afterbody of memory, subsequently, if user data need to be adjusted dividing
The size in area it is only necessary to the end address of adjustment user data subregion, without the start-stop address of other subregions of variation.
Step S202, generates subregion carry script according to each subregion being formed；
Specifically, described subregion each partition information of carry script logging, described partition information includes each subregion mount point
(i.e. mount directory) and device path (i.e. subregion path) information, divisional type, partition size.Zone configuration finish and download right
After answering mirror image, Android system can generate subregion carry script according to each subregion being formed in compilation process, in order to record each
Partition information.Subsequent user start intelligent terminal when, intelligent terminal will by parsing subregion carry script and one by one carry each
Subregion is under corresponding catalogue, thus user can access each subregion on memory by accessing corresponding catalogue.
Step S203, during starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Step S204, judges whether when front mount subregion be user data subregion；If so, then enter step S205, judge
Whether described intelligent terminal memory space total capacity is more than each partition size summation；If so, then enter step S206；
Step S206, execution resize2fs operates to readjust the size of user data subregion, makes each subregion after adjustment
Size summation is less than preset value with the difference of intelligent terminal memory space total capacity；
Step S207, continues other subregions of carry until all subregion carries finish.
In above-mentioned steps, S203～S207 and step S100 in first embodiment of the invention～S104 corresponds, and specifically please
With reference to first embodiment, no longer describe herein.
Android system user data subarea adjustment proposed by the present invention, embedded memory card subregion and user data are divided
Area unites two into one as a new user data subregion, is realized using last subregion, decreases during self-adaptative adjustment pair
The change of each subregion, meanwhile, embedded memory card subregion is virtual out by a catalogue under user data subregion, decreases point
Also the memory space making the occupancy of two subregions while area's quantity can share, while improve memory space utilization rate,
Decrease the configuration work of developer.
Refer to Fig. 4, be the schematic flow sheet of third embodiment of the invention Android system user data subarea adjustment.
Methods described is applied to intelligent terminal, and in the present embodiment, methods described includes：
Step S400, generates initial configuration subregion list file according to manufacturer's input；
Step S401, downloads each compiled subregion mirror image to described intelligence successively according to described initial configuration subregion list file
, to form each subregion, wherein, embedded memory card subregion is by a specific item under described user data subregion for energy terminal storage space
Record is formed；
Step S402, generates subregion carry script according to each subregion being formed；
Step S403, during starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Above-mentioned steps S400～S403 is corresponded with the step S200～S203 of second embodiment, specifically refer to second
Embodiment, no longer describes herein.
Step S404, whether there is described self-adaptative adjustment mark in detecting system；If so, then enter step 411, directly
According to each subregion of analysis result carry；
Specific it is however generally that, memory size just seldom change dispatching from the factory after of intelligent terminal, therefore, number of users
Only need to carry out during first time starting up after dispatching from the factory according to the self-adaptative adjustment of subregion.In order to avoid each start is all right
User data subregion needs to carry out self-adaptative adjustment, can arrange a self-adaptative adjustment mark, in order to show that currently intelligence is eventually
Carried out self-adaptative adjustment before end, and if this self-adaptative adjustment mark can be detected in current system, shown this time to open
Machine be not dispatch from the factory after start shooting for the first time, adjustment was carried out to user data subregion before this, therefore, this time need not carry out again
Adjustment, directly according to each subregion of analysis result carry.
Step S405, judges whether when front mount subregion be user data subregion；If so, then enter step S406, judge
Whether described intelligent terminal memory space total capacity is more than each partition size summation；If so, then enter step S407；
Step S407, execution resize2fs operates to readjust the size of user data subregion, makes each subregion after adjustment
Size summation is less than preset value with the difference of intelligent terminal memory space total capacity；
Above-mentioned steps S405～S407 is corresponded with the step S204～S206 of second embodiment, specifically refer to second
Embodiment, no longer describes herein.
Step S408, changes described subregion carry script and preserves according to amended described user data subregion；
Specifically, after modification user data subregion and after this subregion of carry, intelligent intelligent terminal is according to amended file
The size modification subregion carry script of system simultaneously preserves amended subregion carry script as intelligent terminal download startup use
Subregion carry script.It is understood that the carry of this other subregion follow-up in starting, still according to unmodified subregion
Carry script is carried out.
Step S409, creates self-adaptative adjustment and identifies and preserve.
As described in step s 404, in order to avoid each start all needs to carry out self-adaptative adjustment to user data subregion,
Need to arrange a self-adaptative adjustment mark, carried out self-adaptative adjustment in order to before showing current intelligent terminal.Therefore,
After carrying out self-adaptative adjustment to user data subregion, establishment self-adaptative adjustment is now needed to identify and preserve.
Step S410, continues other subregions of carry until all subregion carries finish.
In step, S410 is corresponding with step S207 in second embodiment of the invention, specifically refer to second embodiment, herein
No longer describe.
Android system user data subarea adjustment proposed by the present invention, is carried out certainly in the size to user data subregion
After adapting to adjustment, change described subregion carry script according to amended user data subregion and preserve；Create self adaptation simultaneously
Adjustment identifies and preserves, and can't detect the presence of self-adaptative adjustment mark in each starting up and just carry out user data and divide
The self-adaptative adjustment in area, thus, it is to avoid each start all needs to carry out self-adaptative adjustment to user data subregion, it is to avoid open
Machine is born, and alleviates intelligent terminal loss.
With reference to Fig. 5, the function of the Android system user data subregion adjusting apparatus that Fig. 5 provides for fourth embodiment of the invention
Module map, described device is applied to intelligent terminal, including：
Parsing module 500, in starting up's system, in parsing subregion carry script each entry with carry each
Subregion；
Specifically, during intelligent terminal starting up system, according to Android system boot sequence, adjust after starting bootloader
With linux kernel, now, start to start Android system, execution late_init service, trigger trigger_fs, execute mount_
All fstab.qcom orders, parsing module 500 start parse subregion carry script fstab.qcom in each entry with carry
Each subregion in memory, will each image file be located subregion be mounted in corresponding catalogue, so that user can be passed through
Access this catalogue to access corresponding subregion.It is understood that an entry corresponds to a subregion in subregion carry script, but
It is that the carry order of each subregion might not be identical with its order in memory, for example, A subregion position in memory
Before B subregion, but its actual carry order can be after B subregion carry.The position in memory of each subregion and start-stop
Address is preset by developer when dispatching from the factory.Subregion carry each partition information with regard to script logging, hangs including each subregion
The routing information of loading point, divisional type, partition size.Start rear mount order has no effect on district location distribution.
Judge module 501, for judging whether when front mount subregion be user data subregion；If so, then judge described intelligence
Terminal storage space total capacity whether can be more than each partition size summation；
Specifically, during each subregion of carry, before every one subregion of carry, judge module 501 needs subregion is carried out
Identify to judge whether when front mount subregion be user data subregion, has recorded the title of each subregion in fstab.qcom, therefore,
In each subregion of carry, judge module 501 can recognize this subregion.For user data subregion, foundation is needed to work as
The total capacity of front intelligent terminal memory judges whether to need to carry out dilatation to it, if according to fstab.qcom analysis result, this
When memory total capacity be more than each subregion size, then explanation memory utilization rate can also improve, it is right now to need
The size of described user data subregion carries out self-adaptative adjustment, to improve memory utilization rate.It is understood that for avoiding shadow
The position ringing other subregions and the operation making self-adaptative adjustment reach and simplify most, and user data subregion could be arranged to described intelligence
Last subregion in energy terminal storage space, this setting is arranged in Default Value subregion list file by developer, can
Corresponding for user data subregion entry can be placed into the last item in partition.xml table so that in storage by selection of land
When forming subregion on device, user data subregion can be last subregion, if subsequently user data subregion need to be expanded, only need to change
Become this user data subregion end address in memory.
Adjusting module 502, for when described intelligent terminal memory space total capacity is more than each partition size summation, executing
Resize2fs operates to readjust the size of user data subregion, and after making adjustment, each partition size summation is deposited with intelligent terminal
The difference of storage space total capacity is less than preset value；
Specifically, the actual size for adjusting this partitioned file system of the size of adjustment user data subregion, because user
The file system of data partition is Ext4, and therefore, during carry user data subregion, adjusting module 502 calls resize2fs to apply
Program, and incoming corresponding blk_device, the |input paramete of fs_type, resize2fs will redefine file system
Size, blk_device herein, fs_type are the |input paramete of resize2fs application program, and blk_device refers to needs
The subregion path of adjustment or title, fs_type represents file system type.With user data subregion Actual path for/dev/
As a example block/bootdevice/by-name/userdata, then blk_device is /dev/block/ herein
Bootdevice/by-name/userdata, fs_type are Ext4.Adjusted value can determine according to the setting of developer, example
As developer can set a preset value as the judge threshold value of each partition size summation and the difference of memory total capacity.
Before to adjust, the difference of each partition size summation and intelligent terminal memory space total capacity is as 2G, as a example preset value is 100M, now,
2G free space is there remains after user data subregion, in order that remaining space controls in 100M, then number of users after this time adjusting
According to subregion more than 2G-100M=1948M at least to be expanded, intelligent terminal can randomly choose arbitrary 1948 value of being more than as tune
Whole value is it is also possible to directly all open up remaining 2G remaining space as user data subregion.Have adjusted the big of file system
After little, intelligent terminal according to the file system mounted user data subregion after adjustment, now, the size of user data subregion with
The big minor change of file system and change simultaneously, memory storage space utilization rate is improved.
Carry module 503, continues other subregions of carry until all subregion carries finish.
Whether carry out needing to carry out self-adaptative adjustment when specifically, regardless of carry user data subregion, carry module 503 is all
Can be according to subregion carry script other subregions of carry one by one, until all of subregion carry finishes.
Android system user data subregion adjusting apparatus proposed by the present invention, in intelligent terminal starting up's system, solution
In analysis subregion carry script, each entry is with each subregion of carry；Judge whether when front mount subregion be user data subregion；If
It is to judge whether described intelligent terminal memory space total capacity is more than each partition size summation；Wherein, described user data subregion
For last subregion in described intelligent terminal memory space；If so, then execution resize2fs operates to readjust user
The size of data partition, after making adjustment, each partition size summation and the difference of intelligent terminal memory space total capacity are less than preset value；
Continue other subregions of carry until all subregion carries finish., realize as last subregion by using user data subregion
The self-adaptative adjustment of this partition size when first powering on, improves memory storage utilization rate, and makes in intelligent terminal
During with different memory, manufacturer need not arrange each partition size according to the memory capacity of different memory every time manually, subtracts
Lack developer's operation, saved exploitation and safeguard resource.
Refer to Fig. 6, be the stream functional module of fifth embodiment of the invention Android system user data subregion adjusting apparatus
Figure.Described device is applied to intelligent terminal, including：
Configuration module 600, for generating initial configuration subregion list file according to manufacturer's input；
Specifically, subregion list file is the partition.xml table mentioned in first embodiment, and this subregion list file is by opening
The personnel of sending out set use before dispatching from the factory, for carrying out zone configuration to the memory of intelligent terminal.Wrap in partition.xml table
Containing multiple subregion entries, each entry corresponds to a subregion, and including the corresponding filename of each subregion, file size and file belong to
Property information.Wherein, described user data subregion entry be located at initial configuration subregion list file in last.
Download module 601, for downloading each compiled subregion mirror image successively according to described initial configuration subregion list file
To described intelligent terminal memory space to form each subregion, wherein, embedded memory card subregion is by under described user data subregion
One subdirectory is formed；
Specifically, when entirely wiping download using instrument, download module 601 corresponds to each according to partition.xml table
Mirror image from memory head start order programming to memory, sequentially form each subregion, such as described in Fig. 3 be download mirror
As each subregion schematic diagram in file background storage, it should be noted that each subregion of in figure is only illustrated rather than is limited this
Bright, during practical application, each partition name and number of partitions can be changed according to different intelligent terminal.In the present embodiment, real
In the subregion of border and be not provided with traditional embedded memory card subregion, i.e. built-in SD card subregion, this subregion is divided with traditional user data
The two-in-one user data subregion becoming new user data subregion, being carried in each embodiment in the present invention in area, now, built-in
Storage card subregion can be formed by a subdirectory under user data subregion, and that is, now embedded memory card subregion is virtual point
Area.During follow-up carry user data subregion, embedded memory card subregion is also simultaneously by carry, with the corresponding extension of user data subregion
Carrying catalogue is ... as a example/data, then under/data/media/0 catalogue that embedded memory card subregion will be mounted to ....Meanwhile, because
User data subregion entry is located in initial configuration subregion list file last, and therefore user data subregion is located at memory
Finally, when whole memory capacity is larger, there is remaining space in the afterbody of memory, subsequently, if user need to be adjusted
The size of data partition it is only necessary to the end address of adjustment user data subregion, without the start-stop of other subregions of variation
Address.
Generation module 602, for generating subregion carry script according to each subregion being formed；
Specifically, described subregion each partition information of carry script logging, described partition information includes each subregion mount point
With device path information, divisional type, partition size.After zone configuration finishes and downloads corresponding mirror image, Android system is in compiling
During, generation module 602 can generate subregion carry script according to each subregion being formed, in order to record each partition information.Afterwards
When continuous user starts intelligent terminal, intelligent terminal will be by parsing subregion carry script and each subregion of carry is to correspondence mesh one by one
Under record, thus user can access each subregion on memory by accessing corresponding catalogue.
Parsing module 603, in starting up's system, in parsing subregion carry script each entry with carry each
Subregion；
Judge module 604, for judging whether when front mount subregion be user data subregion；If so, then judge described intelligence
Terminal storage space total capacity whether can be more than each partition size summation；
Adjusting module 605, operates to readjust the size of user data subregion for executing resize2fs, makes adjustment
Each partition size summation and the difference of intelligent terminal memory space total capacity are less than preset value afterwards；
Hang over module 606, for continuing other subregions of carry until all subregion carries finish.
Above-mentioned module 603～606 is identical with module in fourth embodiment of the invention 500～503, specifically refer to the 4th real
Apply example, no longer describe herein.
Android system user data subregion adjusting apparatus proposed by the present invention, embedded memory card subregion and user data are divided
Area unites two into one as a new user data subregion, is realized using last subregion, decreases during self-adaptative adjustment pair
The change of each subregion, meanwhile, embedded memory card subregion is virtual out by a catalogue under user data subregion, decreases point
Also the memory space making the occupancy of two subregions while area's quantity can share, while improve memory space utilization rate,
Decrease the configuration work of developer.
Refer to Fig. 7, be the functional block diagram of sixth embodiment of the invention Android system user data subregion adjusting apparatus.Institute
State device and be applied to intelligent terminal, including：
Configuration module 700, for generating initial configuration subregion list file according to manufacturer's input；
Download module 701, for downloading each compiled subregion mirror image successively according to described initial configuration subregion list file
To described intelligent terminal memory space to form each subregion, wherein, embedded memory card subregion is by under described user data subregion
One subdirectory is formed；
Generation module 702, for generating subregion carry script according to each subregion being formed；
Parsing module 703, in starting up's system, in parsing subregion carry script each entry with carry each
Subregion；
The module 600～603 of above-mentioned module 700～703 and the 5th embodiment corresponds, and specifically refer to the 5th enforcement
Example, no longer describes herein.
Detection module 704, for whether there is described self-adaptative adjustment mark in detecting system；
Carry module 709, for when described self-adaptative adjustment mark is detected, direct basis analysis result carry each
Subregion；
Specific it is however generally that, memory size just seldom change dispatching from the factory after of intelligent terminal, therefore, number of users
Only need to carry out during first time starting up after dispatching from the factory according to the self-adaptative adjustment of subregion.In order to avoid each start is all right
User data subregion needs to carry out self-adaptative adjustment, can arrange a self-adaptative adjustment mark, in order to show that currently intelligence is eventually
Carried out self-adaptative adjustment before end, if detection module 704 can detect this self-adaptative adjustment mark in current system,
Showing this time starts shooting be not dispatch from the factory after start shooting for the first time, adjustment was carried out to user data subregion before this.Therefore, this time
Need not be adjusted again, carry module 709 is directly according to each subregion of analysis result carry.
Judge module 705, for judging whether when front mount subregion be user data subregion；If so, then judge described intelligence
Terminal storage space total capacity whether can be more than each partition size summation；
Adjusting module 706, operates to readjust the size of user data subregion for executing resize2fs, makes adjustment
Each partition size summation and the difference of intelligent terminal memory space total capacity are less than preset value afterwards；
Above-mentioned module 705～706 is identical with the module 605～606 of the 5th embodiment, specifically refer to the 5th embodiment,
No longer describe herein.
Modified module 707, for changing described subregion carry script and protecting according to amended described user data subregion
Deposit；
Specifically, after modification user data subregion and after this subregion of carry, modified module 707 is according to amended file system
The size modification subregion carry script of system simultaneously preserves amended subregion carry script as intelligent terminal startup next time use
Subregion carry script.It is understood that the carry of this other subregion follow-up in starting, still hang according to unmodified subregion
Carry script to carry out.
Creation module 708, identifies and preserves for creating self-adaptative adjustment.
As described above, in order to avoid each start all needs to carry out self-adaptative adjustment to user data subregion, needing to arrange
Whether one self-adaptative adjustment mark, carried out self-adaptative adjustment in order to before showing current intelligent terminal.Therefore, right
After user data subregion carries out self-adaptative adjustment, now creation module 708 needs establishment self-adaptative adjustment to identify and preserve.
Described carry module 709, is additionally operable to continue other subregions of carry until all subregion carries finish.
Whether carry out needing to carry out self-adaptative adjustment when specifically, regardless of carry user data subregion, carry module 709 is all
Can be according to subregion carry script other subregions of carry one by one, until all of subregion carry finishes.
Android system user data subregion adjusting apparatus proposed by the present invention, are carried out certainly in the size to user data subregion
After adapting to adjustment, change described subregion carry script according to amended user data subregion and preserve；Create self adaptation simultaneously
Adjustment identifies and preserves, and can't detect the presence of self-adaptative adjustment mark in each starting up and just carry out user data and divide
The self-adaptative adjustment in area, thus, it is to avoid each start all needs to carry out self-adaptative adjustment to user data subregion, it is to avoid open
Machine is born, and alleviates intelligent terminal loss.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or device not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or device institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Go out partly can embodying in the form of software product of contribution, this computer software product is stored in a storage medium
In (as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) method described in execution each embodiment of the present invention.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of Android system user data subarea adjustment, is applied to intelligent terminal it is characterised in that methods described includes
Step：
During starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Judge whether when front mount subregion be user data subregion；
If so, judge whether described intelligent terminal memory space total capacity is more than each partition size summation；Wherein, described number of users
It is last subregion in described intelligent terminal memory space according to subregion；
If so, then execution resize2fs operates to readjust the size of user data subregion, and after making adjustment, each partition size is total
And it is less than preset value with the difference of intelligent terminal memory space total capacity；
Continue other subregions of carry until all subregion carries finish.
2. Android system user data subarea adjustment according to claim 1 is it is characterised in that described starting up
During system, before in parsing subregion carry script, each entry is with the step of each subregion of carry successively, methods described also includes：
According to initial configuration subregion list file download successively each compiled subregion mirror image to described intelligent terminal memory space with
Form each subregion, wherein, embedded memory card subregion is formed by a subdirectory under described user data subregion；
Generate described subregion carry script according to each subregion being formed；Wherein, described subregion carry is with regard to each subregion of script logging
Information, described partition information includes each subregion mount point and device path information, divisional type, partition size.
3. Android system user data subarea adjustment according to claim 2 is it is characterised in that described foundation is initial
Configuration subregion list file downloads each compiled subregion mirror image to the memory space of described intelligent terminal successively to form each subregion
Step before, methods described also includes：
Generate described initial configuration subregion list file according to manufacturer's input；Wherein, described user data subregion entry is positioned at described
In initial configuration subregion list file last, described subregion entry includes the corresponding filename of each subregion, file size and
File attribute information.
4. the Android system user data subarea adjustment according to any one of claim 1-3 is it is characterised in that described
To readjust the size of user data subregion, after making adjustment, each partition size summation is whole with intelligence for execution resize2fs operation
After the difference of end memory space total capacity is less than the step of preset value, methods described also includes：
Change described subregion carry script and preserve according to amended described user data subregion；
Create self-adaptative adjustment to identify and preserve.
5. according to the Android system user data subarea adjustment described in claim 4 it is characterised in that front hanging is worked as in described judgement
Before carrying the step whether subregion is user data subregion, methods described also includes：
Whether there is described self-adaptative adjustment mark, if so, then each subregion of direct basis analysis result carry in detecting system；
If it is not, then executing when carry current bay, judge that whether described subregion is the step of user data subregion.
6. a kind of Android system user data subregion adjusting apparatus, are applied to intelligent terminal it is characterised in that described device：
Parsing module, in starting up's system, in parsing subregion carry script, each entry is with each subregion of carry；
Judge module, for judging whether when front mount subregion be user data subregion；If so, judge described intelligent terminal storage
Whether space total capacity is more than each partition size summation；Wherein, described user data subregion is described intelligent terminal memory space
In last subregion；
Adjusting module, for when described intelligent terminal memory space total capacity is more than each partition size summation, executing
Resize2fs operates to readjust the size of user data subregion, and after making adjustment, each partition size summation is deposited with intelligent terminal
The difference of storage space total capacity is less than preset value；
Carry module, for continuing other subregions of carry until all subregion carries finish.
7. Android system user data subregion adjusting apparatus according to claim 6 are it is characterised in that described device is also wrapped
Include：
Download module, for downloading each compiled subregion mirror image successively to described intelligence eventually according to initial configuration subregion list file
, to form each subregion, wherein, embedded memory card subregion is by a subdirectory shape under described user data subregion for end memory space
Become；
Generation module, for generating described subregion carry script according to each subregion being formed；Wherein, described subregion carry is with regard to script
Record each partition information, described partition information includes each subregion mount point and device path information, divisional type, and subregion is big
Little.
8. Android system user data subregion adjusting apparatus according to claim 7 are it is characterised in that described device is also wrapped
Include：
Configuration module, for generating described initial configuration subregion list file according to manufacturer's input；Wherein, described user data subregion
Entry be located at described initial configuration subregion list file in last, described subregion entry includes the corresponding filename of each subregion,
File size and file attribute information.
9. the Android system user data subregion adjusting apparatus according to any one of claim 6-8 are it is characterised in that described
Device also includes：
Modified module, for changing described subregion carry script and preserving according to amended described user data subregion；
Creation module, identifies and preserves for creating self-adaptative adjustment.
10. the Android system user data subregion adjusting apparatus described in claim 9 are it is characterised in that described device also includes：
Detection module, for whether there is described self-adaptative adjustment mark in detecting system,
Described carry module is additionally operable to when described self-adaptative adjustment mark is detected, direct basis analysis result each point of carry
Area.
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| CN112540800A (en) * | 2020-12-03 | 2021-03-23 | 江苏智联天地科技有限公司 | Method for realizing compatibility of EMMCs with different sizes through newly added partitions based on high-pass platform |
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Application publication date: 20170215 |
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