From 8037dc42c845ee253378b42d6c6f107bbe1c2973 Mon Sep 17 00:00:00 2001
From: Tony Lambiris <tony@criticalstack.com>
Date: Mon, 13 May 2019 15:51:20 -0400
Subject: [PATCH] Add a check for logical volume paths

---
 disk/disk_linux.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/disk/disk_linux.go b/disk/disk_linux.go
index 51482c0c..d0dffa90 100644
--- a/disk/disk_linux.go
+++ b/disk/disk_linux.go
@@ -298,6 +298,14 @@ func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, erro
 				}
 			}
 
+			if strings.HasPrefix(d.Device, "/dev/mapper/") {
+				devpath, err := os.Readlink(d.Device)
+				if err != nil {
+					return nil, err
+				}
+				d.Device = "/dev/" + filepath.Base(devpath)
+			}
+
 			// /dev/root is not the real device name
 			// so we get the real device name from its major/minor number
 			if d.Device == "/dev/root" {