Re: [PATCH 07/18] scsi_dh_alua: use standard logging functions

[Johannes Thumshirn <jthumshirn@suse.com>]

On Mon, 2015-11-09 at 16:08 +0100, Hannes Reinecke wrote:
> Use standard logging functions instead of hand-crafted ones.
> 
> Reviewed-by: Bart Van Assche <bvanassche@sandisk.com>
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> ---
>  drivers/scsi/device_handler/scsi_dh_alua.c | 27 +++++++++++++-------
> -------
>  1 file changed, 13 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c
> b/drivers/scsi/device_handler/scsi_dh_alua.c
> index 240a5dc..b817963 100644
> --- a/drivers/scsi/device_handler/scsi_dh_alua.c
> +++ b/drivers/scsi/device_handler/scsi_dh_alua.c
> @@ -23,6 +23,7 @@
>  #include <linux/delay.h>
>  #include <linux/module.h>
>  #include <scsi/scsi.h>
> +#include <scsi/scsi_dbg.h>
>  #include <scsi/scsi_eh.h>
>  #include <scsi/scsi_dh.h>
>  
> @@ -194,19 +195,14 @@ static void stpg_endio(struct request *req, int
> error)
>  
>  	if (scsi_normalize_sense(h->sense, SCSI_SENSE_BUFFERSIZE,
>  				 &sense_hdr)) {
> -		if (!err) {
> -			err = SCSI_DH_IO;
> -			goto done;
> -		}
>  		err = alua_check_sense(h->sdev, &sense_hdr);
>  		if (err == ADD_TO_MLQUEUE) {
>  			err = SCSI_DH_RETRY;
>  			goto done;
>  		}
> -		sdev_printk(KERN_INFO, h->sdev,
> -			    "%s: stpg sense code: %02x/%02x/%02x\n",
> -			    ALUA_DH_NAME, sense_hdr.sense_key,
> -			    sense_hdr.asc, sense_hdr.ascq);
> +		sdev_printk(KERN_INFO, h->sdev, "%s: stpg failed\n",
> +			    ALUA_DH_NAME);
> +		scsi_print_sense_hdr(h->sdev, ALUA_DH_NAME,
> &sense_hdr);
>  		err = SCSI_DH_IO;
>  	} else if (error)
>  		err = SCSI_DH_IO;
> @@ -532,13 +528,16 @@ static int alua_rtpg(struct scsi_device *sdev,
> struct alua_dh_data *h, int wait_
>  		}
>  
>  		err = alua_check_sense(sdev, &sense_hdr);
> -		if (err == ADD_TO_MLQUEUE && time_before(jiffies,
> expiry))
> +		if (err == ADD_TO_MLQUEUE && time_before(jiffies,
> expiry)) {
> +			sdev_printk(KERN_ERR, sdev, "%s: rtpg
> retry\n",
> +				    ALUA_DH_NAME);
> +			scsi_print_sense_hdr(sdev, ALUA_DH_NAME,
> &sense_hdr);
>  			goto retry;
> -		sdev_printk(KERN_INFO, sdev,
> -			    "%s: rtpg sense code %02x/%02x/%02x\n",
> -			    ALUA_DH_NAME, sense_hdr.sense_key,
> -			    sense_hdr.asc, sense_hdr.ascq);
> -		err = SCSI_DH_IO;
> +		}
> +		sdev_printk(KERN_ERR, sdev, "%s: rtpg failed\n",
> +			    ALUA_DH_NAME);
> +		scsi_print_sense_hdr(sdev, ALUA_DH_NAME,
> &sense_hdr);
> +		return SCSI_DH_IO;
>  	}
>  	if (err != SCSI_DH_OK)
>  		return err;

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
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