[NTOSKRNL] Use faster internal helper to query name

[reactos.git] / ntoskrnl / io / iomgr / file.c

diff --git a/ntoskrnl/io/iomgr/file.c b/ntoskrnl/io/iomgr/file.c
index 6133c9e..e877888 100644 (file)
--- a/ntoskrnl/io/iomgr/file.c
+++ b/ntoskrnl/io/iomgr/file.c
@@ -1869,12 +1869,12 @@ IopGetSetSecurityObject(IN PVOID ObjectBody,
 
 NTSTATUS
 NTAPI
-IopQueryNameFile(IN PVOID ObjectBody,
-                 IN BOOLEAN HasName,
-                 OUT POBJECT_NAME_INFORMATION ObjectNameInfo,
-                 IN ULONG Length,
-                 OUT PULONG ReturnLength,
-                 IN KPROCESSOR_MODE PreviousMode)
+IopQueryNameInternal(IN PVOID ObjectBody,
+                     IN BOOLEAN HasName,
+                     OUT POBJECT_NAME_INFORMATION ObjectNameInfo,
+                     IN ULONG Length,
+                     OUT PULONG ReturnLength,
+                     IN KPROCESSOR_MODE PreviousMode)
 {
     POBJECT_NAME_INFORMATION LocalInfo;
     PFILE_NAME_INFORMATION LocalFileInfo;
@@ -1941,11 +1941,23 @@ IopQueryNameFile(IN PVOID ObjectBody,
                  FIELD_OFFSET(FILE_NAME_INFORMATION, FileName);
 
     /* Query the File name */
-    Status = IoQueryFileInformation(FileObject,
-                                    FileNameInformation,
-                                    LengthMismatch ? Length : FileLength,
-                                    LocalFileInfo,
-                                    &LocalReturnLength);
+    if (PreviousMode == KernelMode &&
+        BooleanFlagOn(FileObject->Flags, FO_SYNCHRONOUS_IO))
+    {
+        Status = IopGetFileInformation(FileObject,
+                                       LengthMismatch ? Length : FileLength,
+                                       FileNameInformation,
+                                       LocalFileInfo,
+                                       &LocalReturnLength);
+    }
+    else
+    {
+        Status = IoQueryFileInformation(FileObject,
+                                        FileNameInformation,
+                                        LengthMismatch ? Length : FileLength,
+                                        LocalFileInfo,
+                                        &LocalReturnLength);
+    }
     if (NT_ERROR(Status))
     {
         /* Fail on errors only, allow warnings */