Linux command
btrfs-filesystem 命令
安全
权限或系统影响较大,执行前请核对目标。
常用示例
Example
btrfs filesystem usage path/to/mount
Example
sudo btrfs filesystem show path/to/mount
Defragment
sudo btrfs filesystem defragment -v path/to/file
Defragment
sudo btrfs filesystem defragment -v -r path/to/dir
Sync
sudo btrfs filesystem sync path/to/mount
Example
sudo btrfs filesystem du -s path/to/dir
Example
sudo btrfs filesystem mkswapfile --size 8g path/to/swapfile
说明
btrfs filesystem manages btrfs filesystem properties and operations including usage statistics, defragmentation, synchronization, and device information display.
参数
- usage
- Show detailed filesystem space usage
- show
- Display filesystem information and device usage
- df
- Show disk space usage similar to df command
- defragment
- Defragment files or directories
- sync
- Force sync unwritten data to disk
- du
- Calculate disk usage for files and directories
- mkswapfile
- Create a swap file properly formatted for btrfs
- -v, --verbose
- Enable verbose output
- -r
- Recursive operation for defragment and du
- -s, --summarize
- Show only summary for du command
FAQ
What is the btrfs-filesystem command used for?
btrfs filesystem manages btrfs filesystem properties and operations including usage statistics, defragmentation, synchronization, and device information display.
How do I run a basic btrfs-filesystem example?
Run `btrfs filesystem usage path/to/mount` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does usage do in btrfs-filesystem?
Show detailed filesystem space usage