djs55/ffs — pull request #20 by djs55 (2013-10-28 17:24:52+00:00)
Title: VDI.compose: rewrites the cached child information, refreshes tapdisk

Refreshing tapdisk is required because the leaf is active
and will not have the correct data after a reparent.

Rewriting the cached child information is important to avoid
later problems with the GC

Signed-off-by: David Scott