Re: [PATCH 8/9] nvme-pci: replace NVME_MAX_KB_SZ with NVME_MAX_BYTE

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On 10/06/2025 07.06, Christoph Hellwig wrote:
> Having a define in kiB units is a bit weird.  Also update the
> comment now that there is not scatterlist limit.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/nvme/host/pci.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)


Reviewed-by: Daniel Gomez <da.gomez@xxxxxxxxxxx>


> 
> diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
> index 2d3573293d0c..735f448d8db2 100644
> --- a/drivers/nvme/host/pci.c
> +++ b/drivers/nvme/host/pci.c

...

> @@ -3363,7 +3362,8 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
>  	 * over a single page.
>  	 */
>  	dev->ctrl.max_hw_sectors = min_t(u32,
> -		NVME_MAX_KB_SZ << 1, dma_opt_mapping_size(&pdev->dev) >> 9);
> +			NVME_MAX_BYTES >> SECTOR_SHIFT,
> +			dma_opt_mapping_size(&pdev->dev) >> 9);

We use SECTOR_SHIFT for MAX_BYTES but not for the bytes returned from
dma_opt_mapping_size(). Yes, I know this is not part of the change, but still is
the same line. I think it make sense to convert it too.




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