dmraid.sh: activate all dmraids, if no rd_DM_UUID is specified

modules.d/90dmraid/dmraid.sh

@@ -5,16 +5,22 @@ if $UDEV_QUEUE_EMPTY >/dev/null 2>&1; then
     DM_RAIDS=$(getargs rd_DM_UUID=)
     # run dmraid if udev has settled
     info "Scanning for dmraid devices $DM_RAIDS"
-    SETS=$(dmraid -c -s)
-    info "Found dmraid sets:"
-    echo $SETS|vinfo
-    for r in $DM_RAIDS; do 
-	for s in $SETS; do 
-	    if [ "${s##$r}" != "$s" ]; then
-		info "Activating $s"
-		dmraid -ay $s | vinfo
-	    fi
+    if [ -n "$DM_RAIDS" ]; then
+	# only activate specified DM RAIDS
+	SETS=$(dmraid -c -s)
+	info "Found dmraid sets:"
+	echo $SETS|vinfo
+	for r in $DM_RAIDS; do 
+	    for s in $SETS; do 
+		if [ "${s##$r}" != "$s" ]; then
+		    info "Activating $s"
+		    dmraid -ay $s | vinfo
+		fi
+	    done
 	done
-    done
+    else 
+	# scan and activate all DM RAIDS
+	dmraid -ay | vinfo
+    fi
 fi