blk_alloc_queue is just an internal helper now, unexport it and remove
it from the public header.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-27-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>