btrfstune: unrecognized option '--version' usage: btrfstune [options] device -S value positive value will enable seeding, zero to disable, negative is not allowed -r enable extended inode refs -x enable skinny metadata extent refs -n enable no-holes feature (more efficient sparse file representation) -f force to do dangerous operation, make sure that you are aware of the dangers -u change fsid, use a random one -U UUID change fsid to UUID

usage: btrfstune [options] device -S value positive value will enable seeding, zero to disable, negative is not allowed -r enable extended inode refs -x enable skinny metadata extent refs -n enable no-holes feature (more efficient sparse file representation) -f force to do dangerous operation, make sure that you are aware of the dangers -u change fsid, use a random one -U UUID change fsid to UUID