nvme-pci: only set nr_maps to 2 if poll queues are supported
authorChristoph Hellwig <hch@lst.de>
Fri, 14 Dec 2018 13:06:59 +0000 (14:06 +0100)
committerChristoph Hellwig <hch@lst.de>
Tue, 18 Dec 2018 16:50:44 +0000 (17:50 +0100)
commited92ad37e88555864f1f830db4037b9535b3392c
treeee78b423c8cdf3b037f4e924ea2dc351a2a2efc5
parent5698b805fbf09a5dfa60829f5a179c0568a8dc3b
nvme-pci: only set nr_maps to 2 if poll queues are supported

The block layer now enables polling support on a queue if nr_maps
includes the poll map, so we should only set that if we actually
support poll queues.

Fixes:  6544d229bf ("block: enable polling by default if a poll map is initalized")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
drivers/nvme/host/pci.c