5f9ff1eff3
This patch adds support for VHOST_USER_GET_INFLIGHT_FD and VHOST_USER_SET_INFLIGHT_FD message to set/get shared buffer to/from qemu. Then backend can track inflight I/O in this buffer. Signed-off-by: Xie Yongji <xieyongji@baidu.com> Signed-off-by: Zhang Yu <zhangyu31@baidu.com> Message-Id: <20190228085355.9614-5-xieyongji@baidu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>