On Tue, Jan 16, 2018 at 06:06:56PM +0100, Paolo Bonzini wrote: > Second, virtio-based vhost-user remains QEMU's preferred method for > high-performance I/O in guests. Discard support is missing and that is > important for SSDs; that should be fixed in the virtio spec.
BTW could you reply on the thread of the patch virtio_blk: add discard and write zeroes support Christoph Hellwig thinks we should change the spec and defer implementation until we do. What's your take on this? -- MST