btrfstune − tune various filesystem parameters.
btrfstune [options] <mnt>
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. |
btrfstune will return 0 if no error happened. If any problems happened, 1 will be returned.
Written by Shilong Wang and Wenruo Qu.
Copyright © 2013 Fujitsu, Inc. 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.