Manpage/btrfstune

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Revision as of 16:27, 27 August 2015

Contents

btrfstune(8) Manual Page

Note: manual pages are located at read-the-docs site, please update your links.



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.

SEE ALSO

mkfs.btrfs(8)

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