Re: [PATCH 05/18] scsi_dh_alua: improved logging

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On Tue, 2015-12-01 at 10:16 +0100, Hannes Reinecke wrote:
> Issue different logging messages if ALUA is not supported
> or the TPGS setting is invalid.
> 
> Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> ---
>  drivers/scsi/device_handler/scsi_dh_alua.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c
> b/drivers/scsi/device_handler/scsi_dh_alua.c
> index 9b3b2f7..c63f304 100644
> --- a/drivers/scsi/device_handler/scsi_dh_alua.c
> +++ b/drivers/scsi/device_handler/scsi_dh_alua.c
> @@ -310,12 +310,18 @@ static int alua_check_tpgs(struct scsi_device *sdev,
> struct alua_dh_data *h)
>  		sdev_printk(KERN_INFO, sdev, "%s: supports implicit TPGS\n",
>  			    ALUA_DH_NAME);
>  		break;
> -	default:
> -		h->tpgs = TPGS_MODE_NONE;
> +	case TPGS_MODE_NONE:
>  		sdev_printk(KERN_INFO, sdev, "%s: not supported\n",
>  			    ALUA_DH_NAME);
>  		err = SCSI_DH_DEV_UNSUPP;
>  		break;
> +	default:
> +		sdev_printk(KERN_INFO, sdev,
> +			    "%s: unsupported TPGS setting %d\n",
> +			    ALUA_DH_NAME, h->tpgs);
> +		h->tpgs = TPGS_MODE_NONE;
> +		err = SCSI_DH_DEV_UNSUPP;
> +		break;
>  	}
>  
>  	return err;

Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
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