[PATCH 1/5] nvme: also set BLK_MQ_F_SHOULD_MERGE for the admin queue

[Sagi Grimberg]

> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
> index 680f578..19be56a 100644
> --- a/drivers/nvme/host/pci.c
> +++ b/drivers/nvme/host/pci.c
> @@ -1289,6 +1289,7 @@ static int nvme_alloc_admin_tags(struct nvme_dev *dev)
>   		dev->admin_tagset.timeout = ADMIN_TIMEOUT;
>   		dev->admin_tagset.numa_node = dev_to_node(dev->dev);
>   		dev->admin_tagset.cmd_size = nvme_cmd_size(dev);
> +		dev->admin_tagset.flags = BLK_MQ_F_SHOULD_MERGE;

I still don't understand what's the point?