Re: [Qemu-devel] [RFC PATCH 0/7] BlockBackends, nodes and guest devices

[Max Reitz]

On 27.06.2016 18:38, Kevin Wolf wrote:
> Am 27.06.2016 um 18:13 hat Max Reitz geschrieben:
>> I'm not sure if WCE truly is a guest device property, but adding it as a
>> guest device property and then syncing it to the BB makes sense (as done
>> in patch 7).
> 
> It is truly a guest device property. Physical hardware can have a
> volatile write cache and software can actively enable or disable it. We
> support this in all relevant guest devices (SCSI, virtio-blk, IDE).

Yes, but I consider it a host property, too, in case you just want
write-through on your host. That's why I think syncing the property
makes sense.

Max

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