On 03/29/2016 03:42 PM, Michael S. Tsirkin wrote:
This works around races that data plane introduces
simply by exiting immediately if we detect
that dataplane is active.
It's a small but ugly patch, it's only justification
is that it's minimally intrusive, and that it clearly
has no chance to break non data plane users.
The idea is to rework it all post 2.6.
Michael S. Tsirkin (2):
virtio: add aio handler
virtio-blk: use aio handler for data plane
include/hw/virtio/virtio-blk.h | 2 ++
include/hw/virtio/virtio.h | 4 ++++
hw/block/dataplane/virtio-blk.c | 13 +++++++++++++
hw/block/virtio-blk.c | 28 ++++++++++++++++++----------
hw/virtio/virtio.c | 36 ++++++++++++++++++++++++++++++++----
5 files changed, 69 insertions(+), 14 deletions(-)
This also seems to help on my setup.Tu Bo, would be good if you
can double check this patch set as well on your setup?