[PATCH 2/3] nvme-pci: Remove unused queue parameter

Ming Lei ming.lei at redhat.com
Sun Mar 25 18:47:07 PDT 2018


On Fri, Mar 23, 2018 at 04:19:22PM -0600, Keith Busch wrote:
> All nvme queue memory is allocated up front. We don't take the node
> into consideration when creating queues anymore, so removing the unused
> parameter.
> 
> Signed-off-by: Keith Busch <keith.busch at intel.com>
> ---
>  drivers/nvme/host/pci.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
> index cef5ce851a92..632166f7d8f2 100644
> --- a/drivers/nvme/host/pci.c
> +++ b/drivers/nvme/host/pci.c
> @@ -1379,8 +1379,7 @@ static int nvme_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq,
>  	return 0;
>  }
>  
> -static int nvme_alloc_queue(struct nvme_dev *dev, int qid,
> -		int depth, int node)
> +static int nvme_alloc_queue(struct nvme_dev *dev, int qid, int depth)
>  {
>  	struct nvme_queue *nvmeq = &dev->queues[qid];
>  
> @@ -1595,8 +1594,7 @@ static int nvme_pci_configure_admin_queue(struct nvme_dev *dev)
>  	if (result < 0)
>  		return result;
>  
> -	result = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH,
> -			dev_to_node(dev->dev));
> +	result = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH);
>  	if (result)
>  		return result;
>  
> @@ -1629,9 +1627,7 @@ static int nvme_create_io_queues(struct nvme_dev *dev)
>  	int ret = 0;
>  
>  	for (i = dev->ctrl.queue_count; i <= dev->max_qid; i++) {
> -		/* vector == qid - 1, match nvme_create_queue */
> -		if (nvme_alloc_queue(dev, i, dev->q_depth,
> -		     pci_irq_get_node(to_pci_dev(dev->dev), i - 1))) {
> +		if (nvme_alloc_queue(dev, i, dev->q_depth)) {
>  			ret = -ENOMEM;
>  			break;
>  		}

nvme_create_io_queues() is called after pci_alloc_irq_vectors() returns,
and the above pci_irq_get_node() should return the correct node info,
right?

Thanks,
Ming



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