From 1d019578f17d4aba97a24e0acb3a93c9bf112e7e Mon Sep 17 00:00:00 2001
From: Panagiotis Moustafellos <pmoust@gmail.com>
Date: Thu, 25 Dec 2014 20:27:46 +0200
Subject: [PATCH] `block_device` set to Computed, (#684 and #712)
 https://github.com/hashicorp/terraform/issues/684#issuecomment-68109845

---
 builtin/providers/aws/resource_aws_instance.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/builtin/providers/aws/resource_aws_instance.go b/builtin/providers/aws/resource_aws_instance.go
index 5479e0a5301c..443f6e7172b8 100644
--- a/builtin/providers/aws/resource_aws_instance.go
+++ b/builtin/providers/aws/resource_aws_instance.go
@@ -176,6 +176,7 @@ func resourceAwsInstance() *schema.Resource {
 			"block_device": &schema.Schema{
 				Type:     schema.TypeSet,
 				Optional: true,
+				Computed: true,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"device_name": &schema.Schema{