[PATCH] Revert "scsi: core: Cap scsi_host cmd_per_lun at can_queue"

[Thadeu Lima de Souza Cascardo]

On Fri, Oct 08, 2021 at 08:53:51AM -0600, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/1940564
> 
> This reverts commit ce0da9f6062f460c27a7fe6e566c330991e757d8.
> (upstream commit dcb634e434b850287b31a117637cbf598563ce1c)

This is really upstream commit ea2f0f77538c50739b9fb4de4700cee5535e1f77.

Cascardo.

> 
> This patch causes boot failures on instances with large numbers
> of CPUs and SCSI LUNs, the product of which overflows a 16 bit
> quantity. To date, that combination exists in Azure instance
> types Standard_M416s_v2 and Azure Standard_D48_v3.
> 
> Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
> ---
>  drivers/scsi/hosts.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
> index da3920a19d53d..bd0dcb540f822 100644
> --- a/drivers/scsi/hosts.c
> +++ b/drivers/scsi/hosts.c
> @@ -220,9 +220,6 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
>  		goto fail;
>  	}
>  
> -	shost->cmd_per_lun = min_t(short, shost->cmd_per_lun,
> -				   shost->can_queue);
> -
>  	error = scsi_init_sense_cache(shost);
>  	if (error)
>  		goto fail;
> -- 
> 2.33.0
> 
> 
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