BTRFSCTL

Section: Maintenance Commands (8) Local index Up

NAME

btrfsctl - control a btrfs filesystem

SYNOPSIS

btrfsctl [ -d file|directory ] [ -s snapshot-name directory ] [ -S subvolume-name directory ] [ -r [+-]size ] [ -A device ] [ -a ] [ -c ]

DESCRIPTION

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.
-s snapshot-name directory: Creates a new snapshot of the directory specified.
-S subvolume-name directory: 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.

AVAILABILITY

btrfsctl 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 further details.

This document was created by man2html, using the manual pages.
Time: 22:01:22 GMT, April 16, 2011