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Cellphone file recovery method and device

A recovery method and file technology, applied in file system, file/folder operations, special data processing applications, etc., can solve problems such as mobile phone users cannot recover, and achieve the effect of avoiding losses

Inactive Publication Date: 2014-12-10
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies in the prior art, the present invention provides a recovery method for mobile phone files to solve the problem that current mobile phone users cannot restore files due to misoperation

Method used

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Embodiment Construction

[0027] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

[0028] At present, as the functions of mobile phones (especially smart phones) continue to increase, they can replace some functions of other electronic devices, such as using smart phones to save some important documents, using smart phones to take and save some precious photos, etc. Wait. And users will inevitably delete some important files due to misoperation in daily operations, but the existing mobile phones do not use the recycle bin to recover deleted files like computers, and there is no other method or tool For users to recover deleted files.

[0029] Most of the existing smartphones use the Android system, and most of the existing Android mobile phone file systems use the Ext4 file system. Ext4 is a log file system. In order to ensure the consistency of the file system, all operations th...

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Abstract

The invention discloses a cellphone file recovery method and device. The method includes the steps of S1, traversing data blocks in which logs are stored, searching a log file system for an index node Inode of a detected file; S2, analyzing the index node Inode to acquire file attribute of an original file; S3, locating data blocks of the original file according to the acquired file attribute; and S4, recovering the deleted file according to data in the data blocks. According to the cellphone file recovery method and device, the detected files in a cellphone are recovered through the log file system; the problem that files mistakenly deleted by a cellphone user cannot be recovered at present is effectively solved, conveniences are brought to the cellphone user, and unnecessary loss is avoided.

Description

technical field [0001] The invention relates to a method and a device for recovering mobile phone files, in particular to a method for recovering mobile phone files based on an Ext4 file system and using a log file system. Background technique [0002] With the development of science and technology, the functions of smart phones are becoming more and more powerful. Mobile phone users often use their mobile phones to store some precious data. It can be said that data (such as photos, videos, documents, etc.) is the most valuable resource for mobile phone users. In daily life, users will inevitably delete some precious data such as files and photos in the mobile phone due to misoperation. Deleting files on the computer often has a recycle bin as a buffer, and users can usually restore files deleted due to misuse in the recycle bin, and even if the relevant files cannot be restored in the recycle bin, there are many tools for recovering deleted files on the computer . Unlike ...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/16
Inventor 唐葛亮
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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