On Fri, Feb 01, 2019 at 12:29:28PM +0800, Stefan Hajnoczi wrote: > On Thu, Jan 31, 2019 at 04:19:11PM +0100, Stefano Garzarella wrote: > > In order to avoid migration issues, we enable DISCARD and > > WRITE ZEROES features only for machine type >= 4.0 > > Please use two separate properties that correspond to the > VIRTIO_BLK_F_DISCARD and VIRTIO_BLK_F_WRITE_ZEROES virtio-blk feature > bits.
Okay. As Michael suggested, what do you think if I use a similar approach of virtio-net, adding an host_features variable and setting a corresponding feature bit? Thanks, Stefano