vvfat: Use BdrvChild for s->qcow
commiteecc77473b153fbd3700d68802b48fd0fe8ce4bc
authorKevin Wolf <kwolf@redhat.com>
Mon, 30 May 2016 15:13:09 +0000 (30 17:13 +0200)
committerKevin Wolf <kwolf@redhat.com>
Tue, 5 Jul 2016 14:46:26 +0000 (5 16:46 +0200)
tree5a8efc45c9671ebfe957cb5415e5b1b1690bf6c4
parenta9d52a75634ac9aa7d101bf7f63e10bf6655a865
vvfat: Use BdrvChild for s->qcow

vvfat uses a temporary qcow file to cache written data in read-write
mode. In order to do things properly, this should show up in the BDS
graph and I/O should go through BdrvChild like for every other node.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
block/vvfat.c