Christoph Hellwig 376f7ef8bf block: only allow polling if a poll queue_map exists
This avoids having to have differnet mq_ops for different setups
with or without poll queues.

Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-12-04 11:38:19 -07:00
..
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2018-07-24 15:55:48 +02:00