aoe: clean up printks via macros

Use simple macros to clean up the printks.
(This patch is reverted by the 14th patch to follow.)

Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index abf1d3c..f51d87b 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -155,7 +155,7 @@
 		d = aoedev_newdev(bufcnt);
 	 	if (d == NULL) {
 			spin_unlock_irqrestore(&devlist_lock, flags);
-			printk(KERN_INFO "aoe: aoedev_set: aoedev_newdev failure.\n");
+			iprintk("aoedev_newdev failure.\n");
 			return NULL;
 		}
 		d->sysminor = sysminor;