From 5befd7484ef41f6673377fab19ef890b103a500e Mon Sep 17 00:00:00 2001
From: Chantara Tith <tith.chantara@gmail.com>
Date: Mon, 8 Aug 2016 10:43:52 +0700
Subject: [PATCH] Decouple VG scan and system scan.

---
 src/core/lvmdevice.cpp | 23 ++++++++++++++---------
 src/core/lvmdevice.h   |  1 +
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/src/core/lvmdevice.cpp b/src/core/lvmdevice.cpp
index 9cb6846..37faa65 100644
--- a/src/core/lvmdevice.cpp
+++ b/src/core/lvmdevice.cpp
@@ -182,13 +182,8 @@ Partition* LvmDevice::scanPartition(const QString& lvpath, PartitionTable* pTabl
 QList<LvmDevice*> LvmDevice::scanSystemLVM()
 {
     QList<LvmDevice*> lvmList;
-
-    QString output = getField(QStringLiteral("vg_name"));
-    if (!output.isEmpty()) {
-        QStringList vgnameList = output.split(QStringLiteral("\n"), QString::SkipEmptyParts);
-        foreach(QString vgname, vgnameList) {
-            lvmList.append(new LvmDevice(vgname.trimmed()));
-        }
+    foreach (QString vgname, getVGs()) {
+        lvmList.append(new LvmDevice(vgname));
     }
     return lvmList;
 }
@@ -218,8 +213,18 @@ QStringList LvmDevice::lvPathList() const
     return *LVPathList();
 }
 
-
-
+QStringList LvmDevice::getVGs()
+{
+    QStringList vgList;
+    QString output = getField(QStringLiteral("vg_name"));
+    if (!output.isEmpty()) {
+        QStringList vgnameList = output.split(QStringLiteral("\n"), QString::SkipEmptyParts);
+        foreach(QString vgname, vgnameList) {
+            vgList.append(vgname.trimmed());
+        }
+    }
+    return vgList;
+}
 
 QStringList LvmDevice::getPVs(const QString& vgname)
 {
diff --git a/src/core/lvmdevice.h b/src/core/lvmdevice.h
index 27b90ed..6cb210b 100644
--- a/src/core/lvmdevice.h
+++ b/src/core/lvmdevice.h
@@ -68,6 +68,7 @@ public:
 
     static QStringList getPVs(const QString& vgname);
     static QStringList getLVs(const QString& vgname);
+    static QStringList getVGs();
 
     static bool removeLV(Report& report, LvmDevice& dev, Partition& part);
     static bool createLV(Report& report, LvmDevice& dev, Partition& part, const QString& lvname);