Re: [PATCH v9 5/8] block: set FOLL_PCI_P2PDMA in __bio_iov_iter_get_pages()

[Christoph Hellwig]

On Thu, Aug 25, 2022 at 09:24:22AM -0600, Logan Gunthorpe wrote:
> +	if (bio->bi_bdev && bio->bi_bdev->bd_disk &&
> +	    blk_queue_pci_p2pdma(bio->bi_bdev->bd_disk->queue))

bdev->bd_disk is never NULL.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>