ide-atapi: add a len-parameter to ide_queue_pc_tail

This is in preparation for removing ide_atapi_pc.

There should be no functional change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 745a393..7e15bd1 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1160,7 +1160,8 @@
 	REQ_IDETAPE_WRITE	= (1 << 3),
 };
 
-int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
+int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+		      unsigned int);
 
 int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
 int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);