See also commit 8f4236d9 ("block: remove QUEUE_FLAG_BYPASS and ->bypass") # v5.0.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NJens Axboe <axboe@kernel.dk>