Only traverse recovery file's FAT table to fast the recovery performance.

Signed-off-by: erictian
Reviewed-by: niruiyu

(based on FatPkg commit 6e68a62cf0c6b8ecad2bceff4e8d86ff08d1f041)

[jordan.l.justen@intel.com: Use script to relicense to 2-clause BSD]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Mark Doran <mark.doran@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/FatPkg/FatPei/FatLiteAccess.c b/FatPkg/FatPei/FatLiteAccess.c
index 0a688a3185..53f5e3f60c 100644
--- a/FatPkg/FatPei/FatLiteAccess.c
+++ b/FatPkg/FatPei/FatLiteAccess.c
@@ -1,7 +1,7 @@
 /** @file

   FAT file system access routines for FAT recovery PEIM

 

-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>

 

 This program and the accompanying materials are licensed and made available

 under the terms and conditions of the BSD License which accompanies this

@@ -315,7 +315,10 @@ FatSetFilePos (
     }

 

     File->CurrentPos += Pos;

-

+    //

+    // Calculate the amount of consecutive cluster occupied by the file.

+    // FatReadFile() will use it to read these blocks once.

+    //

     File->StraightReadAmount  = 0;

     Cluster                   = File->CurrentCluster;

     while (!FAT_CLUSTER_FUNCTIONAL (Cluster)) {

@@ -517,9 +520,6 @@ FatReadNextDirectoryEntry (
   SubFile->StartingCluster  = SubFile->CurrentCluster;

   SubFile->Volume           = ParentDir->Volume;

 

-  if (SubFile->StartingCluster != 0) {

-    Status = FatSetFilePos (PrivateData, SubFile, 0);

-  }

   //

   // in Pei phase, time parameters do not need to be filled for minimum use.

   //