Instead of triggering an integer overflow and undefined behavior if MDTS is
large, set max_hw_sectors to UINT_MAX.
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Reviewed-by: NKeith Busch <kbusch@kernel.org>
[hch: rebased to account for the new nvme_mps_to_sectors helper]
Signed-off-by: NChristoph Hellwig <hch@lst.de>