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Currier, 2022 - Google Patents

The Flash-Friendly File System (F2FS)

Currier, 2022

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Document ID
14194665105348961438
Author
Currier C
Publication year
Publication venue
Mobile Forensics–The File Format Handbook: Common File Formats and File Systems Used in Mobile Devices

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Snippet

Abstract The Flash-Friendly File System (F2FS) is used not just by removable media but also by mobile devices and more. In this chapter, we look under the hood to better understand the structure of and recognize this file system. From a forensic perspective, we look for …
Continue reading at link.springer.com (PDF) (other versions)

Classifications

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    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
    • G06F17/3015—Redundancy elimination performed by the file system
    • G06F17/30156—De-duplication implemented within the file system, e.g. based on file segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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    • G06F17/30129—Details of further file system functionalities
    • G06F17/3015—Redundancy elimination performed by the file system
    • G06F17/30153—Redundancy elimination performed by the file system using compression, e.g. sparse files
    • G—PHYSICS
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    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
    • G06F17/30144—Details of monitoring file system events, e.g. by the use of hooks, filter drivers, logs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G—PHYSICS
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    • 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—Free address space management in non-volatile memory
    • G06F12/0246—Free address space management in non-volatile memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06F17/30091—File storage and access structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G—PHYSICS
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    • G—PHYSICS
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    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
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    • G06F3/0601—Dedicated interfaces to storage systems
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    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1458—Management of the backup or restore process

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