[libvirt PATCH 0/2] qemu: wire up support for rotation rate for disks

[Erik Skultety]

On Wed, Mar 31, 2021 at 10:50:24AM +0100, Daniel P. Berrangé wrote:
> By default QEMU doesn't report any rotation information to guests, so
> guests assume rotational media. This lets the user specify an explicit
> speed in RPM, or 1 for SSD. This may allow the user to achieve better
> performance for their virtual disks. Note, however, this doesn't mean
> that the guest should be given the same setting as the host storage.
> It is possible that better performance may be achieved with contrary
> settings from the host. Testing is required to determine this on a
> case by case basis.

Oh, cool that we're finally able to introspect the device capability :). Please
link the following BZ in your commits before pushing:
https://bugzilla.redhat.com/show_bug.cgi?id=1498955

Regards,
Erik