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    Command:

    btrfsctl

    
    
    

    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 directo-
           ries stored. It is the tool to create a new snapshot for  the  filesys-
           tem.
    
    
    

    OPTIONS

           -d file|directory
                  Defragment  a  file  or a directory. If the argument is a direc-
                  tory, 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 respec-
                  tively.
    
           -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  devel-
           opment,  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)
    
                                                                       BTRFSCTL(8)
    
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