Re: [dm-devel] [PATCH 09/11] nvme: remove a spurious clear of discard_alignment

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On 4/18/22 13:53, Christoph Hellwig wrote:
> The nvme driver never sets a discard_alignment, so it also doens't need
> to clear it to zero.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/nvme/host/core.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index b9b0fbde97c80..76a9ccd5d064a 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -1628,7 +1628,6 @@ static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns)
>  	BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <
>  			NVME_DSM_MAX_RANGES);
>  
> -	queue->limits.discard_alignment = 0;
>  	queue->limits.discard_granularity = size;
>  
>  	/* If discard is already enabled, don't reset queue limits */

Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>

-- 
Damien Le Moal
Western Digital Research



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