btrfsctl8
Control a btrfs filesystem
Usage
btrfsctl [{-d
file | directory}]
[-s
snapshot-name
directory]
[-S
subvolume-name
directory]
[-r
[+-]
size]
[-A
device]
[-a]
[-c]
Note
B btrfsctl is deprecated. Please consider to switch to the btrfs utility.
Overview
btrfsctl is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesystem.
Options
-
-d file|directory -
Defragment a file or a directory. If the argument is a directory, the entire b-tree under the directory is defragged.
|
Creates a new snapshot of the directory specified. |
|---|---|
|
Creates a new subvolume. |
-
-r [+|-]size -
Resizes the filesystem with the size specified. If the value is preceded with a signed symbol, the filesystem is resized with respect to the current filesystem size. size can be suffixed by k,m or g to represent kilobytes, megabytes, or gigabytes respectively.
-
-A device -
Scans the device for btrfs filesystem.
-
-a -
Scans all devices present in the system for btrfs filesystem.
-
-c -
Forces a filesystem sync.
Releases
2 releases since Debian 6.0 (Squeeze); the text changed 1 time.