# simple_filesystem

**Repository Path**: youshanli/simple_filesystem

## Basic Information

- **Project Name**: simple_filesystem
- **Description**: 尝试编写一个简单的内核空间磁盘文件系统。
- **Primary Language**: C
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 1
- **Created**: 2023-03-29
- **Last Updated**: 2023-04-12

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# simple_filesystem
linux的文件系统驱动程序

## How to use this?
1. Compile  
建议linux Kernel 4.14及以上，本案例以Kernel 5.10为例。从checkedout目录运行make即可。

2. Test  
````shell
mkdir test_dir

dd bs=4096 count=100 if=/dev/zero of=image
./mkfs image
insmod HUST_fs.ko
mount -o loop -t HUST_fs image test_dir/
sudo chmod 777 test_dir -R
dmesg

# sudo umount test_dir/
# sudo rmmod HUST_fs
````
3. File operations
````shell
cd test_dir
cat file
echo "Hello World!" > file
cat file
````