software/kvm: allow to change aio and cache parameter even for direct disk access

8 jobs for 1.0 in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:21:49

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:26:51

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

23:13:45

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

14:09:28

passed SlapOS.SlapRunner.ResilienceTest-Master

00:23:15

passed SlapOS.SlapRunner.ResilienceTest-Master

00:23:29

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:35:54

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:36:10