[SCSI] move the mid-layer printk's over to shost/starget/sdev_printk

This should eliminate (at least in the mid layer) to make numeric
assumptions about any of the enumeration variables.  As a side effect,
it will also make all the messages consistent and line us up nicely for
the error logging strategy (if it ever shows itself again).

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

include/scsi/scsi_device.h

@@ -148,6 +148,9 @@ struct scsi_device {
 #define transport_class_to_sdev(class_dev) \
 	to_scsi_device(class_dev->dev)
 
+#define sdev_printk(prefix, sdev, fmt, a...)	\
+	dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
+
 /*
  * scsi_target: representation of a scsi target, for now, this is only
  * used for single_lun devices. If no one has active IO to the target,
@@ -177,6 +180,9 @@ static inline struct scsi_target *scsi_target(struct scsi_device *sdev)
 #define transport_class_to_starget(class_dev) \
 	to_scsi_target(class_dev->dev)
 
+#define starget_printk(prefix, starget, fmt, a...)	\
+	dev_printk(prefix, &(starget)->dev, fmt, ##a)
+
 extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
 		uint, uint, uint, void *hostdata);
 extern int scsi_add_device(struct Scsi_Host *host, uint channel,

include/scsi/scsi_host.h

@@ -609,6 +609,10 @@ struct Scsi_Host {
 #define		class_to_shost(d)	\
 	container_of(d, struct Scsi_Host, shost_classdev)
 
+#define shost_printk(prefix, shost, fmt, a...)	\
+	dev_printk(prefix, &(shost)->shost_gendev, fmt, ##a)
+
+
 int scsi_is_host_device(const struct device *);
 
 static inline struct Scsi_Host *dev_to_shost(struct device *dev)