is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesystem.
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.
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.
Scans the device for btrfs filesystem.
Scans all devices present in the system for btrfs filesystem.
Forces a filesystem sync.
is part of btrfs-progs. Btrfs is currently under heavy development,
and not suitable for any uses other than benchmarking and review.
Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for