Base a pagination.PageResult on gophercloud.Result.
diff --git a/openstack/blockstorage/v1/apiversions/requests.go b/openstack/blockstorage/v1/apiversions/requests.go
index 63ed76a..a56f249 100644
--- a/openstack/blockstorage/v1/apiversions/requests.go
+++ b/openstack/blockstorage/v1/apiversions/requests.go
@@ -9,7 +9,7 @@
 
 // List lists all the Cinder API versions available to end-users.
 func List(c *gophercloud.ServiceClient) pagination.Pager {
-	return pagination.NewPager(c, listURL(c), func(r pagination.LastHTTPResponse) pagination.Page {
+	return pagination.NewPager(c, listURL(c), func(r pagination.PageResult) pagination.Page {
 		return APIVersionPage{pagination.SinglePageBase(r)}
 	})
 }
diff --git a/openstack/blockstorage/v1/snapshots/requests.go b/openstack/blockstorage/v1/snapshots/requests.go
index 792e7dd..49b637a 100644
--- a/openstack/blockstorage/v1/snapshots/requests.go
+++ b/openstack/blockstorage/v1/snapshots/requests.go
@@ -134,7 +134,7 @@
 		url += query
 	}
 
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
+	createPage := func(r pagination.PageResult) pagination.Page {
 		return ListResult{pagination.SinglePageBase(r)}
 	}
 	return pagination.NewPager(client, url, createPage)
diff --git a/openstack/blockstorage/v1/volumes/requests.go b/openstack/blockstorage/v1/volumes/requests.go
index ae97419..2b3aaeb 100644
--- a/openstack/blockstorage/v1/volumes/requests.go
+++ b/openstack/blockstorage/v1/volumes/requests.go
@@ -153,7 +153,7 @@
 		}
 		url += query
 	}
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
+	createPage := func(r pagination.PageResult) pagination.Page {
 		return ListResult{pagination.SinglePageBase(r)}
 	}
 	return pagination.NewPager(client, url, createPage)
diff --git a/openstack/blockstorage/v1/volumetypes/requests.go b/openstack/blockstorage/v1/volumetypes/requests.go
index 7253a87..c1c3dd5 100644
--- a/openstack/blockstorage/v1/volumetypes/requests.go
+++ b/openstack/blockstorage/v1/volumetypes/requests.go
@@ -78,7 +78,7 @@
 
 // List returns all volume types.
 func List(client *gophercloud.ServiceClient) pagination.Pager {
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
+	createPage := func(r pagination.PageResult) pagination.Page {
 		return ListResult{pagination.SinglePageBase(r)}
 	}