From be10cdb122c4e00926f30c01c20f347042f55433 Mon Sep 17 00:00:00 2001
From: Dominik Csapak <d.csapak@proxmox.com>
Date: Tue, 28 Jul 2020 09:48:22 +0200
Subject: [PATCH] fix #2856: also check whole device for device mapper

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/tools/disks.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tools/disks.rs b/src/tools/disks.rs
index 73f83705..cecead97 100644
--- a/src/tools/disks.rs
+++ b/src/tools/disks.rs
@@ -825,6 +825,10 @@ pub fn get_disks(
             };
         }
 
+        if usage == DiskUsageType::Unused && disk.has_holders()? {
+            usage = DiskUsageType::DeviceMapper;
+        }
+
         let mut  status = SmartStatus::Unknown;
         let mut wearout = None;