Nir, any news?

ok, vdsm-4.13.2-0.8.el6ev.x86_64

# rpm -qR vdsm | grep qemu
qemu-img-rhev >= 2:0.12.1.2-2.415.el6_5.3
qemu-kvm-rhev >= 2:0.12.1.2-2.415.el6_5.3

# qemu-img create /tmp/foobar 1M
Formatting '/tmp/foobar', fmt=raw size=1048576 

# sudo -u vdsm -g kvm qemu-img info --output json /tmp/foobar
{
    "virtual-size": 1048576, 
    "filename": "/tmp/foobar", 
    "format": "raw", 
    "actual-size": 0
}

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-0219.html