btrfstune(8)
============

NAME
----
btrfstune - tune various btrfs filesystem parameters

SYNOPSIS
--------
*btrfstune* [options] <dev> [<dev>...]

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

OPTIONS
-------
-S <value>::
Updates the seeding value.
A positive value will enable seeding, zero will disable seeding, negtive is not allowed.
Enable seeding 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 STATUS
-----------
*btrfstune* will return 0 if no error happened.
If any problems happened, 1 will be returned.

SEE ALSO
--------
`mkfs.btrfs`(8)