BTRFSTUNE(8)

NAME
btrfstune - tune various filesystem parameters.

SYNOPSIS
btrfstune [options] <device>

DESCRIPTION
btrfstune is used to tune various filesystem parameters,you can enable/disable some extended features for btrfs. Options

-S <value>
    updates the seeding value, it forces a fs readonly so that you can use it to build other filesystems.

-r  enable extended inode refs.

-x  enable skinny metadata extent refs.

EXIT CODE
btrfstune will return 0 if no error happened. If any problems happened, 1 will be returned.

AUTHOR
Written by Shilong Wang and Wenruo Qu.

COPYRIGHT
Copyright © 2013 FUJITSU LIMITED. License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
mkfs.btrfs(8)