nvme-rdma: Add BLK_MQ_F_NO_SCHED flag to admin tag set

Since commit b86dd81
"block: get rid of blk-mq default scheduler choice Kconfig entries",
when setting nr_hw_queues to 1 the admin tag set uses mq-deadline scheduler.
This flag is useful for admin queues that aren't used for normal IO.

Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 34d22ff..a5577e0 100644 (file)
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -699,6 +699,7 @@ static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl,
                set->driver_data = ctrl;
                set->nr_hw_queues = 1;
                set->timeout = ADMIN_TIMEOUT;
+               set->flags = BLK_MQ_F_NO_SCHED;
        } else {
                set = &ctrl->tag_set;
                memset(set, 0, sizeof(*set));