Don't exceed the standard PV size when growing a disk
Don't exceed the standard PV size when growing a disk

With exclusive storage, PVs are supposed to be used only up to the
standard PV size.

Signed-off-by: Bernardo Dal Seno <dcdd79c5479cb9d1329ec01d126f02cb045aa103@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

apyrgio/snf-ganeti,andir/ganeti,mbakke/ganeti,andir/ganeti,grnet/snf-ganeti,onponomarev/ganeti,yiannist/ganeti,dimara/ganeti,leshchevds/ganeti,dimara/ganeti,mbakke/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,onponomarev/ganeti,bitemyapp/ganeti,apyrgio/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,yiannist/ganeti,mbakke/ganeti,bitemyapp/ganeti,leshchevds/ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,andir/ganeti,ganeti/ganeti,ganeti/ganeti,grnet/snf-ganeti,leshchevds/ganeti