Pass QFileSystemMetaData reference into QFileSystemEngine::canonicalName

On symbian, this allows us to use the cached ExistsAttribute
On symbian and unix, this allows us to update the caller's knowledge of
ExistsAttribute (potentially saving a stat later)

Reviewed-By: joao

1 files changed, 4 insertions, 3 deletions

diff --git a/src/corelib/io/qfilesystemengine_symbian.cpp b/src/corelib/io/qfilesystemengine_symbian.cpp
index ca559da..9b81571 100644
--- a/src/corelib/io/qfilesystemengine_symbian.cpp
+++ b/src/corelib/io/qfilesystemengine_symbian.cpp
@@ -89,14 +89,15 @@ QFileSystemEntry QFileSystemEngine::getLinkTarget(const QFileSystemEntry &link,
 }
 
 //static
-QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry)
+QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry, QFileSystemMetaData &data)
 {
     if (entry.isEmpty() || entry.isRoot())
         return entry;
 
     QFileSystemEntry result = absoluteName(entry);
-    QFileSystemMetaData meta;
-    if (!fillMetaData(result, meta, QFileSystemMetaData::ExistsAttribute) || !meta.exists()) {
+    if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute))
+        fillMetaData(result, data, QFileSystemMetaData::ExistsAttribute);
+    if (!data.exists()) {
         // file doesn't exist
         return QFileSystemEntry();
     } else {