diff --git a/Utils.h b/Utils.h
index af4e401..661443b 100644
--- a/Utils.h
+++ b/Utils.h
@@ -133,8 +133,8 @@
 // TODO: promote to android::base
 bool Readlinkat(int dirfd, const std::string& path, std::string* result);
 
-/* Checks if Android is running in QEMU */
-bool IsRunningInEmulator();
+// Handles dynamic major assignment for virtio-block
+bool IsVirtioBlkDevice(unsigned int major);
 
 status_t UnmountTreeWithPrefix(const std::string& prefix);
 status_t UnmountTree(const std::string& mountPoint);