Re: [PATCH 12/13] nvme: switch to use pci_alloc_irq_vectors
From: Alexander Gordeev
Date: Thu Jul 07 2016 - 15:30:32 EST
On Mon, Jul 04, 2016 at 05:39:33PM +0900, Christoph Hellwig wrote:
> @@ -1575,6 +1546,7 @@ static int nvme_dev_add(struct nvme_dev *dev)
> dev->tagset.cmd_size = nvme_cmd_size(dev);
> dev->tagset.flags = BLK_MQ_F_SHOULD_MERGE;
> dev->tagset.driver_data = dev;
> + dev->tagset.affinity_mask = to_pci_dev(dev->dev)->irq_affinity;
>
> if (blk_mq_alloc_tag_set(&dev->tagset))
> return 0;
Are there any post-init uses of blk_mq_tag_set::affinity_mask other than
calling to blk_mq_alloc_tag_set()? If no, blk_mq_tag_set::affinity_mask
is redundant, since the mask could be passed as a parameter.