Manpage/btrfstune
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btrfstune(8) Manual Page
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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.
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.
