3 files changed, 24 insertions, 1 deletions
diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp
index 3af936122e..d991e86839 100644
--- a/src/corelib/io/qfile.cpp
+++ b/src/corelib/io/qfile.cpp
@@ -429,7 +429,7 @@ QFile::exists() const
 bool
 QFile::exists(const QString &fileName)
 {
-    return QFileInfo(fileName).exists();
+    return QFileInfo::exists(fileName);
 }
 
 /*!
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp
index 93444cb47c..1d5f16c9d9 100644
--- a/src/corelib/io/qfileinfo.cpp
+++ b/src/corelib/io/qfileinfo.cpp
@@ -667,6 +667,28 @@ bool QFileInfo::exists() const
 }
 
 /*!
+    Returns true if the \a file exists; otherwise returns false.
+
+    \note If \a file is a symlink that points to a non-existing
+    file, false is returned.
+
+    \note Using this function is faster for than using
+    \c QFileInfo(file).exists() for file system access.
+*/
+bool QFileInfo::exists(const QString &file)
+{
+    QFileSystemEntry entry(file);
+    QFileSystemMetaData data;
+    QAbstractFileEngine *engine =
+        QFileSystemEngine::resolveEntryAndCreateLegacyEngine(entry, data);
+    // Expensive fallback to non-QFileSystemEngine implementation
+    if (engine)
+        return QFileInfo(file).exists();
+    QFileSystemEngine::fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute);
+    return data.exists();
+}
+
+/*!
     Refreshes the information about the file, i.e. reads in information
     from the file system the next time a cached property is fetched.
 
diff --git a/src/corelib/io/qfileinfo.h b/src/corelib/io/qfileinfo.h
index 211c18d0a0..0f18261943 100644
--- a/src/corelib/io/qfileinfo.h
+++ b/src/corelib/io/qfileinfo.h
@@ -84,6 +84,7 @@ public:
     void setFile(const QFile &file);
     void setFile(const QDir &dir, const QString &file);
     bool exists() const;
+    static bool exists(const QString &file);
     void refresh();
 
     QString filePath() const;