Forgotten commit: If a provider has zero sectorsize, it is an

indication of lack of media.

Tripped up:	peter

sys/geom/geom_io.c

@@ -209,12 +209,9 @@ g_io_check(struct bio *bp)
 	case BIO_READ:
 	case BIO_WRITE:
 	case BIO_DELETE:
-		/* Noisily reject zero size sectors */
-		if (pp->sectorsize == 0) {
-			printf("GEOM provider %s has zero sectorsize\n",
-			    pp->name);
-			return (EDOOFUS);
-		}
+		/* Zero sectorsize is a probably lack of media */
+		if (pp->sectorsize == 0)
+			return (ENXIO);
 		/* Reject I/O not on sector boundary */
 		if (bp->bio_offset % pp->sectorsize)
 			return (EINVAL);