> +int blk_uring_cmd(struct block_device *bdev, struct io_uring_cmd *cmd,
> + enum io_uring_cmd_flags issue_flags)
> +{
> + struct request_queue *q = bdev_get_queue(bdev);
> +
> + if (!q->mq_ops || !q->mq_ops->uring_cmd)
> + return -EOPNOTSUPP;
> +
> + return q->mq_ops->uring_cmd(q, cmd, issue_flags);
> +}
This has absilutely not business in blk-mq. It is a plain
block_device_operation that has nothing to do with requests or
blk-mq.
