Move the code that processes queued requests from
virtio_blk_dma_restart_bh() to its own, non-static, function. This
will allow us to call it from the virtio_blk_data_plane_start() in a
future patch.
Signed-off-by: Sergio Lopez <slp(a)redhat.com>
Message-Id: <20200603093240.40489-2-slp(a)redhat.com>
Signed-off-by: Kevin Wolf <kwolf(a)redhat.com>
