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scsi_dh_alua: improved logging 

Issue different logging messages if ALUA is not supported
or the TPGS setting is invalid.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2015-12-01 10:16:45 +01:00 committed by Martin K. Petersen
parent 9b80dcec41
commit 6cc05d451c
1 changed files with 8 additions and 2 deletions
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10
drivers/scsi/device_handler/scsi_dh_alua.c
View File

@ -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;