# F2FS-NOTES

**Repository Path**: l30027544/F2FS-NOTES

## Basic Information

- **Project Name**: F2FS-NOTES
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-07-26
- **Last Updated**: 2024-07-26

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# F2FS笔记

### 实验环境的搭建
[实验环境的搭建](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Experiment/实验环境搭建.md)

### 一、文件系统布局以及元数据结构
1. [总体结构](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/%E6%80%BB%E4%BD%93%E7%BB%93%E6%9E%84.md)
2. [Superblock区域](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/Superblock%E7%BB%93%E6%9E%84.md)
3. [Checkpoint区域](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/Checkpoint%E7%BB%93%E6%9E%84.md)
4. [Segment Infomation Table区域(SIT)](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/Segment%20Infomation%20Table%E7%BB%93%E6%9E%84.md)
5. [Node Address Table区域(NAT)](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/Node%20Address%20Table%E7%BB%93%E6%9E%84.md)
6. [Segment Summary Area区域(SSA)](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Layout/Segment%20Summary%20Area%E7%BB%93%E6%9E%84.md)

### 二、文件数据的存储以及读写
1. [F2FS文件数据组织方式](https://github.com/RiweiPan/F2FS-NOTES/blob/master/Reading-and-Writing/file_data_structure.md)
2. [一般文件读流程](https://github.com/RiweiPan/F2FS-NOTES/blob/master/Reading-and-Writing/%E8%AF%BB%E6%B5%81%E7%A8%8B.md)
3. [一般文件写流程](https://github.com/RiweiPan/F2FS-NOTES/blob/master/Reading-and-Writing/%E5%86%99%E6%B5%81%E7%A8%8B.md)

### 三、文件与目录的创建以及删除
1. [一般文件的创建](https://github.com/RiweiPan/F2FS-NOTES/blob/master/File-Creation-and-Deletion/%E6%96%87%E4%BB%B6%E5%88%9B%E5%BB%BA.md)
2. [一般文件的删除(未完成)](https://github.com/RiweiPan/F2FS-NOTES/blob/master/File-Creation-and-Deletion/%E7%9B%AE%E5%BD%95%E5%88%9B%E5%BB%BA.md)

### 四、垃圾回收流程
1. [垃圾回收流程分析](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-GC/GC%E6%B5%81%E7%A8%8B%E4%BB%8B%E7%BB%8D.md)
2. [如何选择victim segment](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-GC/%E9%80%89%E6%8B%A9victim%20segment.md)

### 五、数据恢复流程
1. [数据恢复的原理以及方式](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Data-Recovery/%E6%95%B0%E6%8D%AE%E6%81%A2%E5%A4%8D%E7%9A%84%E5%8E%9F%E7%90%86%E4%BB%A5%E5%8F%8A%E6%96%B9%E5%BC%8F.md)
2. [后滚恢复和Checkpoint的作用与实现](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Data-Recovery/Checkpoint%E6%B5%81%E7%A8%8B.md)
3. [前滚恢复和Recovery的作用与实现(未完成)](https://github.com/RiweiPan/F2FS-NOTES/blob/master/F2FS-Data-Recovery/Recovery%E7%9A%84%E6%B5%81%E7%A8%8B.md)

### 六、重要数据结构或者函数的分析
1. [f2fs_summary和f2fs_summary_block的介绍和应用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/f2fs_summary.md)
2. [seg_entry和sit_info的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/segment.md) 
3. [f2fs_journal的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/f2fs_journal.md)
4. [f2fs_fill_super的分析](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/f2fs_fill_super.md)
5. [f2fs_map_block的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/f2fs_map_blocks.md)
6. [CURSEG的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/curseg.md)
7. [物理地址寻址的实现](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/get_dnode.md) 
8. [node_footer的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/node_footer.md) 
9. [f2fs_rename的作用](https://github.com/RiweiPan/F2FS-NOTES/blob/master/ImportantDataStructure/f2fs_rename.md)