From a833692c6393861731432a7ef27ef2de40595228 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Sun, 6 Aug 2017 12:47:58 +0200
Subject: [PATCH] storage/lvm: extend volume snapshot of running VM too

Extend both backing volume as well as current snapshot, so the increased
size is visible immediately to the user.

Fixes QubesOS/qubes-issues#2982
---
 qubes/storage/lvm.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qubes/storage/lvm.py b/qubes/storage/lvm.py
index 5aff6d35..1beaa639 100644
--- a/qubes/storage/lvm.py
+++ b/qubes/storage/lvm.py
@@ -377,6 +377,9 @@ class ThinVolume(qubes.storage.Volume):
 
         cmd = ['extend', self.vid, str(size)]
         qubes_lvm(cmd, self.log)
+        if self.is_dirty():
+            cmd = ['extend', self._vid_snap, str(size)]
+            qubes_lvm(cmd, self.log)
         reset_cache()
 
     def _snapshot(self):