[SCSI] sd: Make revalidate less chatty
sd_revalidate ends up being called several times during device setup.
With this patch we print everything during the first scan. Subsequent
invocations will only print a message if the parameter in question has
actually changed (LUN capacity has increased, etc.).
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 75638e7..708778c 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -53,6 +53,7 @@
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
+ unsigned first_scan : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)