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This project forked from gkostka/lwext4

5.0 1.0 9.0 3.4 MB

ext2/ext3/ext4 filesystem library for microcontrollers

Home Page: https://github.com/gkostka/lwext4

License: Other

CMake 1.66% Makefile 2.30% C 95.95% Python 0.09%
lwext4 ext2 ext3 ext4 rt-thread

lwext4's Introduction

RT-Thread下的EXT4文件系统

这是一份RT-Thread下的EXT4文件系统实现,基于lwext4,针对RT-Thread的最新版本进行适配,后续也会适配到RT-Thread重构后的设备文件系统(DFS)上。

lwext4文件系统

lwext4文件系统是一份针对MCU的ext2/3/4的文件系统实现,大多数代码源自 helenos,原许可协议是BSD许可协议。

lwext4中为了加入更多的扩展,添加了这两份文件,这两份文件是GPLv2许可协议。

  • ext4_xattr.c
  • ext4_extents.c

因为这两个文件GPLv2许可协议的缘故,会造成整体lwext4的文件污染。

原来的功能特性包括:

  • filetypes: regular, directories, softlinks
  • support for hardlinks
  • multiple blocksize supported: 1KB, 2KB, 4KB ... 64KB
  • little/big endian architectures supported
  • multiple configurations (ext2/ext3/ext4)
  • only C standard library dependency
  • various CPU architectures supported (x86/64, cortex-mX, msp430 ...)
  • small memory footprint
  • flexible configurations

原来的README.md文件

移植到RT-Thread的修改

  • lwext4中的分区表相关功能都未启用;
  • lwext4中本身的块设备功能移除,都由dfs_ext_blockdev来实现;
  • mkfs格式化文件系统都不会涉及到分区表的操作;

lwext4's People

Contributors

bernardxiong avatar branzhu avatar enetor avatar exander77 avatar geniusgogo avatar gitter-badger avatar gkostka avatar guozhanxin avatar linzhenxing-bit avatar maskray avatar michael0066 avatar mmajewicz avatar mmmaisel avatar mysterywolf avatar ngkaho1234 avatar parai avatar raandoom avatar rajeshvenkataraman avatar sirocyl avatar starryrain9 avatar xiaoniaoyou6hua avatar xqyjlj avatar

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lwext4's Issues

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