Difference between revisions of "YAFFS2"
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| + | = YAFFS2 Overview = | ||
| + | |||
| + | This page provides a quick overview of the YAFFS2 file system. For a more complete description, see | ||
| + | [http://www.dubeiko.com/development/FileSystems/YAFFS/HowYaffsWorks.pdf How Yaffs Works]. | ||
| + | |||
| + | Details on how TSK implements YAFFS2 can be found in [[YAFFS2 Implementation Notes]]. | ||
| + | |||
| + | == YAFFS2 Terms == | ||
| + | * '''Chunk''' : Data unit consisting of a page and spare area | ||
| + | * '''Block''' : Group of chunks ( a block is the unit of erasure) | ||
| + | * '''Object''' : A YAFFS2 file/directory/etc | ||
| + | * '''Object ID''' : Unique identifier for each object | ||
| + | * '''Chunk ID''' : Position of this chunk in the file (0 = header, 1 = first chunk) | ||
| + | * '''Sequence Number''' : Increments with each block written and stored in each chunk of a block (used to order blocks chronologically) | ||
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| + | |||
| + | |||
| + | = Reference Docs = | ||
| + | * [http://www.dubeiko.com/development/FileSystems/YAFFS/HowYaffsWorks.pdf How Yaffs Works] | ||
| + | * [http://www.yaffs.net/yaffs-2-specification Yaffs 2 Specification] | ||
Revision as of 10:03, 4 February 2013
YAFFS2 Overview
This page provides a quick overview of the YAFFS2 file system. For a more complete description, see How Yaffs Works.
Details on how TSK implements YAFFS2 can be found in YAFFS2 Implementation Notes.
YAFFS2 Terms
- Chunk : Data unit consisting of a page and spare area
- Block : Group of chunks ( a block is the unit of erasure)
- Object : A YAFFS2 file/directory/etc
- Object ID : Unique identifier for each object
- Chunk ID : Position of this chunk in the file (0 = header, 1 = first chunk)
- Sequence Number : Increments with each block written and stored in each chunk of a block (used to order blocks chronologically)
