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BTRFSCTL

BTRFSCTL

Section: Maintenance Commands (8)
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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.  

SEE ALSO

mkfs.btrfs(8)


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AVAILABILITY
SEE ALSO

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