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 <stefa...@redhat.com>
Cc: Kevin Wolf <kw...@redhat.com>
Cc: qemu-bl...@nongnu.org
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
hw/block/virtio-blk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 9acbc3a..1d3f26c 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -731,7 +731,6 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev,
uint64_t features,
virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
- virtio_clear_feature(&features, VIRTIO_F_ANY_LAYOUT);
if (__virtio_has_feature(features, VIRTIO_F_VERSION_1)) {
if (s->conf.scsi) {
error_setg(errp, "Virtio 1.0 does not support scsi passthrough!");
@@ -739,6 +738,7 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev,
uint64_t features,
}
virtio_add_feature(&features, VIRTIO_F_ANY_LAYOUT);
} else {
+ virtio_clear_feature(&features, VIRTIO_F_ANY_LAYOUT);
virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
}
--
2.1.4
