diff --git a/src/file/fileindexerconfig.h b/src/file/fileindexerconfig.h
--- a/src/file/fileindexerconfig.h
+++ b/src/file/fileindexerconfig.h
@@ -151,6 +151,11 @@
      */
     bool folderInFolderList(const QString& path, QString& folder) const;
 
+    /**
+     * Check if the device containing \p path is mounted.
+     */
+    bool pathDeviceIsMounted(const QString& path);
+
     /**
      * Returns the internal version number of the Baloo database
      */
diff --git a/src/file/fileindexerconfig.cpp b/src/file/fileindexerconfig.cpp
--- a/src/file/fileindexerconfig.cpp
+++ b/src/file/fileindexerconfig.cpp
@@ -251,6 +251,21 @@
     return false;
 }
 
+bool FileIndexerConfig::pathDeviceIsMounted(const QString& path)
+{
+    if (!m_devices) {
+        m_devices = new StorageDevices(this);
+    }
+
+    for (const auto& device: m_devices->allMedia()) {
+        const QString devicePath = device.mountPath() + QLatin1Char('/');
+        if (device.isMounted() && path.startsWith(devicePath)) {
+            return true;
+        }
+    }
+
+    return false;
+}
 
 namespace
 {