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

[mirror_edk2.git] / FatPkg / FatPei / FatLiteAccess.c

diff --git a/FatPkg/FatPei/FatLiteAccess.c b/FatPkg/FatPei/FatLiteAccess.c
index 0a688a3185e6971779cd9b5dfd2269ea84978f90..53f5e3f60cbbc118c01846b66fc99e9ea43257bb 100644 (file)
--- a/FatPkg/FatPei/FatLiteAccess.c
+++ b/FatPkg/FatPei/FatLiteAccess.c
@@ -1,7 +1,7 @@
 /** @file\r
   FAT file system access routines for FAT recovery PEIM\r
 \r
 /** @file\r
   FAT file system access routines for FAT recovery PEIM\r
 \r

-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r

 \r
 This program and the accompanying materials are licensed and made available\r
 under the terms and conditions of the BSD License which accompanies this\r
 \r
 This program and the accompanying materials are licensed and made available\r
 under the terms and conditions of the BSD License which accompanies this\r


@@ -315,7 +315,10 @@ FatSetFilePos (
     }\r
 \r
     File->CurrentPos += Pos;\r
     }\r
 \r
     File->CurrentPos += Pos;\r

-\r
+    //\r
+    // Calculate the amount of consecutive cluster occupied by the file.\r
+    // FatReadFile() will use it to read these blocks once.\r
+    //\r

     File->StraightReadAmount  = 0;\r
     Cluster                   = File->CurrentCluster;\r
     while (!FAT_CLUSTER_FUNCTIONAL (Cluster)) {\r
     File->StraightReadAmount  = 0;\r
     Cluster                   = File->CurrentCluster;\r
     while (!FAT_CLUSTER_FUNCTIONAL (Cluster)) {\r


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

-  if (SubFile->StartingCluster != 0) {\r
-    Status = FatSetFilePos (PrivateData, SubFile, 0);\r
-  }\r

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