Basic send / receive functionality test for btrfs. Requires current
version of fsstress built (-x support). Relies on fssum tool but can
skip the test if it failed to build.
Signed-off-by: Jan Schmidt <list.xfs@jan-o-sch.net> Reviewed-by: Josef Bacik <jbacik@fusionio.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Rich Johnston <rjohnston@sgi.com>
[rjohnston: renumbered test from 316 to 007]