Commits
Christoph Hellwig committed f9596695bee
virtio_blk: use blk_rq_map_kern Similar to how SCSI and NVMe prepare passthrough requests. This avoids poking into request internals too much. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>