virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device
commitc9b11f971cfa1fd3eed716f62f4b835553b75490
authorJason Wang <jasowang@redhat.com>
Mon, 27 Jul 2015 09:49:21 +0000 (27 17:49 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Mon, 27 Jul 2015 15:11:53 +0000 (27 18:11 +0300)
tree88c2d86570ff7d8390cca820c92bb45179fff4e4
parentefb8206ca7f19f5a6ece1f2851a73a29de309b1e
virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device

Chapter 6.3 of spec said

"
Transitional devices MUST offer, and if offered by the device
transitional drivers MUST accept the following:

VIRTIO_F_ANY_LAYOUT (27)
"

So this patch only clear VIRTIO_F_LAYOUT for legacy device.

Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
hw/block/virtio-blk.c