[PATCH 4/4] large-fs: fix ext4 defragmentation tests

[Dave Chinner]

On Tue, Jul 09, 2013 at 03:05:18PM +0400, Dmitry Monakhov wrote:
> Initially work space size calculation was based on size of blkdev which
> obviously wrong for large-fs case. This patch calculate work space based
> on `df` cmd.

when have a "_used" command in common/rc for getting the used space
on a device (i.e. _used $SCRATCH_DEV). This loocks like a case for a
"_free" equivalent....

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com