Change in ovirt-engine[master]: core: volume initialSize calc when using collapse=true

[Code Review]

>From Liron Aravot <laravot at redhat.com>:

Liron Aravot has submitted this change and it was merged.

Change subject: core: volume initialSize calc when using collapse=true
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core: volume initialSize calc when using collapse=true

This patch fixes the size calculation when  attempting to create a volume
that'll be in a size that'll fit all the volumes of a source image.

Currently there are two issues with the calculation:
1. The calculated initialSize isn't divided by the QCOW_OVERHEAD_FACTOR
constant.

2. Multiple roundings

Change-Id: I698ed06f721492af1bc2bb727a3198a5b33c7eba
Bug-Url: https://bugzilla.redhat.com/1411479
Signed-off-by: Liron Aravot <laravot at redhat.com>
---
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/storage/disk/image/ImagesHandler.java
M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/validator/storage/StorageDomainValidator.java
2 files changed, 23 insertions(+), 12 deletions(-)

Approvals:
  Tal Nisan: Looks good to me, approved
  Jenkins CI: Passed CI tests
  Liron Aravot: Verified



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Gerrit-MessageType: merged
Gerrit-Change-Id: I698ed06f721492af1bc2bb727a3198a5b33c7eba
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Liron Aravot <laravot at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Liron Aravot <laravot at redhat.com>
Gerrit-Reviewer: Tal Nisan <tnisan at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>