On Wed, Oct 31, 2012 at 12:20:39PM +0000, Alex wrote:

As one 'stuck' with 4k leaves on my main machine for the moment, can I request
the btrfs-progs v0.20 defaults to more efficient decent block sizes before
release. Most distro install programs for the moment don't give access to the
options at install time and there seems to be is a significant advantage to 16k
or 32k

IMHO this should be fixed inside the installer, changing defaults for a
core utility will affect everybody. 4k is the most tested option and
thus can be considered "safe for everybody".

The installer may let you to enter a shell and create the filesystem by
hand, then point it to use it for installation.

david