nvmet: don't look at the request_queue in nvmet_bdev_zone_mgmt_emulate_all

nvmet is a consumer of the block layer and should not directly look at
the request_queue.  Just use the NUMA node ID from the gendisk instead of
the request_queue.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NKeith Busch <kbusch@kernel.org>

drivers/nvme/target/zns.c

@@ -387,7 +387,6 @@ static u16 nvmet_bdev_zone_mgmt_emulate_all(struct nvmet_req *req)
 {
 	struct block_device *bdev = req->ns->bdev;
 	unsigned int nr_zones = bdev_nr_zones(bdev);
-	struct request_queue *q = bdev_get_queue(bdev);
 	struct bio *bio = NULL;
 	sector_t sector = 0;
 	int ret;
@@ -396,7 +395,7 @@ static u16 nvmet_bdev_zone_mgmt_emulate_all(struct nvmet_req *req)
 	};
 
 	d.zbitmap = kcalloc_node(BITS_TO_LONGS(nr_zones), sizeof(*(d.zbitmap)),
-				 GFP_NOIO, q->node);
+				 GFP_NOIO, bdev->bd_disk->node_id);
 	if (!d.zbitmap) {
 		ret = -ENOMEM;
 		goto out;