[libvirt] [PATCH 3/3] qemu: Forbid migration with cache != none

[Paolo Bonzini]

On 02/22/2012 02:57 PM, Jiri Denemark wrote:
>> > how about disk write through flag here?  This flag should also imply 
>> > cache=none.
>> > 
>> > i.e, VIR_DOMAIN_DISK_CACHE_WRITETHRU
> AFAIK, only VIR_DOMAIN_DISK_CACHE_DISABLE translates into cache=none unless
> qemu binary is old enough to only support cache=on|off

VIR_DOMAIN_DISK_CACHE_DIRECTSYNC too.

Paolo