nvme: fix admin queue depth

The number in tag_set->queue depth includes the reserved tags.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index c83f0d8a592b5c0720c0062dced251347f7e330a..686a4e2308418b58115b3d4e387c5973c9759add 100644 (file)
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1431,7 +1431,7 @@ static int nvme_alloc_admin_tags(struct nvme_dev *dev)
        if (!dev->ctrl.admin_q) {
                dev->admin_tagset.ops = &nvme_mq_admin_ops;
                dev->admin_tagset.nr_hw_queues = 1;
-               dev->admin_tagset.queue_depth = NVME_AQ_DEPTH - 1;
+               dev->admin_tagset.queue_depth = NVME_AQ_DEPTH;
                dev->admin_tagset.reserved_tags = 1;
                dev->admin_tagset.timeout = ADMIN_TIMEOUT;
                dev->admin_tagset.numa_node = dev_to_node(dev->dev);