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BTRFSTUNE

NAME

btrfstune − tune various filesystem parameters.

SYNOPSIS

btrfstune [options] <mnt>

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, 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.

SEE ALSO

mkfs.btrfs(8)

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