path: root/Documentation/btrfstune.txt
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authorQu Wenruo <>2014-04-02 16:29:34 +0800
committerDavid Sterba <>2014-04-22 14:15:23 +0200
commitf1f5b362264e975a3f67485cc4ccb359cf14925c (patch)
tree6eb43c361ae50ee5c5368621690038020b4dd2b1 /Documentation/btrfstune.txt
parentd28ca3ab173b78ad428d5e053e15b43649721948 (diff)
btrfs-progs: Convert man page for btrfstune.
Convert man page for btrfstune. Signed-off-by: Qu Wenruo <> Signed-off-by: David Sterba <>
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+btrfstune - tune various btrfs filesystem parameters
+'btrfstune' [options] <dev> [<dev>...]
+'btrfstune' is used to tune various btrfs filesystem parameters,you can
+enable/disable some extended features for btrfs.
+-S <value>::
+Updates the seeding value, it forces a fs readonly so that you can use it to
+build other filesystems.
+Enable extended inode refs.
+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 (C) 2013 FUJITSU LIMITED.
+License GPLv2: GNU GPL version 2 <>.
+This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.