FatPkg/EnhancedFatDxe: Make the variable name follow rule

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
diff --git a/FatPkg/EnhancedFatDxe/DirectoryManage.c b/FatPkg/EnhancedFatDxe/DirectoryManage.c
index 3328ae3..149119d 100644
--- a/FatPkg/EnhancedFatDxe/DirectoryManage.c
+++ b/FatPkg/EnhancedFatDxe/DirectoryManage.c
@@ -60,7 +60,7 @@
     //

     // End of directory

     //

-    ASSERT (IoMode == READ_DATA);

+    ASSERT (IoMode == ReadData);

     ((FAT_DIRECTORY_ENTRY *) Entry)->FileName[0] = EMPTY_ENTRY_MARK;

     ((FAT_DIRECTORY_ENTRY *) Entry)->Attributes  = 0;

     return EFI_SUCCESS;

@@ -106,7 +106,7 @@
   //

   // Write directory entry

   //

-  Status = FatAccessEntry (OFile, WRITE_DATA, EntryPos, &DirEnt->Entry);

+  Status = FatAccessEntry (OFile, WriteData, EntryPos, &DirEnt->Entry);

   if (EFI_ERROR (Status)) {

     return Status;

   }

@@ -147,7 +147,7 @@
         LfnEntry.Ordinal = DELETE_ENTRY_MARK;

       }

 

-      Status = FatAccessEntry (OFile, WRITE_DATA, EntryPos, &LfnEntry);

+      Status = FatAccessEntry (OFile, WriteData, EntryPos, &LfnEntry);

       if (EFI_ERROR (Status)) {

         return Status;

       }

@@ -322,7 +322,7 @@
     }

 

     EntryPos--;

-    Status = FatAccessEntry (Parent, READ_DATA, EntryPos, &LfnEntry);

+    Status = FatAccessEntry (Parent, ReadData, EntryPos, &LfnEntry);

     if (EFI_ERROR (Status) ||

         LfnEntry.Attributes != FAT_ATTRIBUTE_LFN ||

         LfnEntry.MustBeZero != 0 ||

@@ -442,7 +442,7 @@
     //

     // Read the next directory entry until we find a valid directory entry (excluding lfn entry)

     //

-    Status = FatAccessEntry (OFile, READ_DATA, ODir->CurrentEndPos, &Entry);

+    Status = FatAccessEntry (OFile, ReadData, ODir->CurrentEndPos, &Entry);

     if (EFI_ERROR (Status)) {

       return Status;

     }

@@ -462,7 +462,7 @@
     // Although FAT spec states this field is always 0 for FAT12 & FAT16, some applications

     // might use it for some special usage, it is safer to zero it in memory for FAT12 & FAT16.

     //

-    if (OFile->Volume->FatType != FAT32) {

+    if (OFile->Volume->FatType != Fat32) {

       Entry.FileClusterHigh = 0;

     }

 

@@ -857,7 +857,7 @@
   Entry           = &DirEnt->Entry;

   DirEnt->Invalid = TRUE;

   do {

-    Status = FatAccessEntry (Root, READ_DATA, EntryPos, Entry);

+    Status = FatAccessEntry (Root, ReadData, EntryPos, Entry);

     if (EFI_ERROR (Status)) {

       return Status;

     }

@@ -1335,7 +1335,7 @@
       Volume                = VOLUME_FROM_ROOT_DIRENT (DirEnt);

       Volume->Root          = OFile;

       OFile->FileCluster    = Volume->RootCluster;

-      if (Volume->FatType  != FAT32) {

+      if (Volume->FatType  != Fat32) {

         OFile->IsFixedRootDir  = TRUE;

       }

     }

diff --git a/FatPkg/EnhancedFatDxe/DiskCache.c b/FatPkg/EnhancedFatDxe/DiskCache.c
index ddf99ed..7f1fcf4 100644
--- a/FatPkg/EnhancedFatDxe/DiskCache.c
+++ b/FatPkg/EnhancedFatDxe/DiskCache.c
@@ -70,7 +70,7 @@
   CACHE_TAG   *CacheTag;

   UINT8       *BaseAddress;

 

-  DiskCache     = &Volume->DiskCache[CACHE_DATA];

+  DiskCache     = &Volume->DiskCache[CacheData];

   BaseAddress   = DiskCache->CacheBase;

   GroupMask     = DiskCache->GroupMask;

   PageAlignment = DiskCache->PageAlignment;

@@ -85,7 +85,7 @@
       // in cache is in this rang, this data in the Buffer need to

       // be updated with the cache's dirty data.

       //

-      if (IoMode == READ_DISK) {

+      if (IoMode == ReadDisk) {

         if (CacheTag->Dirty) {

           CopyMem (

             Buffer + ((PageNo - StartPageNo) << PageAlignment),

@@ -150,7 +150,7 @@
   PageAddress   = DiskCache->CacheBase + (GroupNo << PageAlignment);

   EntryPos      = DiskCache->BaseAddress + LShiftU64 (PageNo, PageAlignment);

   RealSize      = CacheTag->RealSize;

-  if (IoMode == READ_DISK) {

+  if (IoMode == ReadDisk) {

     RealSize  = (UINTN)1 << PageAlignment;

     MaxSize   = DiskCache->LimitAddress - EntryPos;

     if (MaxSize < RealSize) {

@@ -160,7 +160,7 @@
   }

 

   WriteCount = 1;

-  if (DataType == CACHE_FAT && IoMode == WRITE_DISK) {

+  if (DataType == CacheFat && IoMode == WriteDisk) {

     WriteCount = Volume->NumFats;

   }

 

@@ -224,7 +224,7 @@
   // Write dirty cache page back to disk

   //

   if (CacheTag->RealSize > 0 && CacheTag->Dirty) {

-    Status = FatExchangeCachePage (Volume, CacheDataType, WRITE_DISK, CacheTag, NULL);

+    Status = FatExchangeCachePage (Volume, CacheDataType, WriteDisk, CacheTag, NULL);

     if (EFI_ERROR (Status)) {

       return Status;

     }

@@ -233,7 +233,7 @@
   // Load new data from disk;

   //

   CacheTag->PageNo  = PageNo;

-  Status            = FatExchangeCachePage (Volume, CacheDataType, READ_DISK, CacheTag, NULL);

+  Status            = FatExchangeCachePage (Volume, CacheDataType, ReadDisk, CacheTag, NULL);

 

   return Status;

 }

@@ -286,7 +286,7 @@
   if (!EFI_ERROR (Status)) {

     Source      = DiskCache->CacheBase + (GroupNo << DiskCache->PageAlignment) + Offset;

     Destination = Buffer;

-    if (IoMode != READ_DISK) {

+    if (IoMode != ReadDisk) {

       CacheTag->Dirty   = TRUE;

       DiskCache->Dirty  = TRUE;

       Destination       = Source;

@@ -391,7 +391,7 @@
     //

     // Accessing fat table cannot have alignment data

     //

-    ASSERT (CacheDataType == CACHE_DATA);

+    ASSERT (CacheDataType == CacheData);

 

     EntryPos    = Volume->RootPos + LShiftU64 (PageNo, PageAlignment);

     AlignedSize = AlignedPageCount << PageAlignment;

@@ -450,7 +450,7 @@
   DISK_CACHE      *DiskCache;

   CACHE_TAG       *CacheTag;

 

-  for (CacheDataType = (CACHE_DATA_TYPE) 0; CacheDataType < CACHE_MAX_TYPE; CacheDataType++) {

+  for (CacheDataType = (CACHE_DATA_TYPE) 0; CacheDataType < CacheMaxType; CacheDataType++) {

     DiskCache = &Volume->DiskCache[CacheDataType];

     if (DiskCache->Dirty) {

       //

@@ -463,7 +463,7 @@
           //

           // Write back all Dirty Data Cache Page to disk

           //

-          Status = FatExchangeCachePage (Volume, CacheDataType, WRITE_DISK, CacheTag, Task);

+          Status = FatExchangeCachePage (Volume, CacheDataType, WriteDisk, CacheTag, Task);

           if (EFI_ERROR (Status)) {

             return Status;

           }

@@ -511,24 +511,24 @@
   //

   // Configure the parameters of disk cache

   //

-  if (Volume->FatType == FAT12) {

+  if (Volume->FatType == Fat12) {

     FatCacheGroupCount                  = FAT_FATCACHE_GROUP_MIN_COUNT;

-    DiskCache[CACHE_FAT].PageAlignment  = FAT_FATCACHE_PAGE_MIN_ALIGNMENT;

-    DiskCache[CACHE_DATA].PageAlignment = FAT_DATACACHE_PAGE_MIN_ALIGNMENT;

+    DiskCache[CacheFat].PageAlignment  = FAT_FATCACHE_PAGE_MIN_ALIGNMENT;

+    DiskCache[CacheData].PageAlignment = FAT_DATACACHE_PAGE_MIN_ALIGNMENT;

   } else {

     FatCacheGroupCount                  = FAT_FATCACHE_GROUP_MAX_COUNT;

-    DiskCache[CACHE_FAT].PageAlignment  = FAT_FATCACHE_PAGE_MAX_ALIGNMENT;

-    DiskCache[CACHE_DATA].PageAlignment = FAT_DATACACHE_PAGE_MAX_ALIGNMENT;

+    DiskCache[CacheFat].PageAlignment  = FAT_FATCACHE_PAGE_MAX_ALIGNMENT;

+    DiskCache[CacheData].PageAlignment = FAT_DATACACHE_PAGE_MAX_ALIGNMENT;

   }

 

-  DiskCache[CACHE_DATA].GroupMask     = FAT_DATACACHE_GROUP_COUNT - 1;

-  DiskCache[CACHE_DATA].BaseAddress   = Volume->RootPos;

-  DiskCache[CACHE_DATA].LimitAddress  = Volume->VolumeSize;

-  DiskCache[CACHE_FAT].GroupMask      = FatCacheGroupCount - 1;

-  DiskCache[CACHE_FAT].BaseAddress    = Volume->FatPos;

-  DiskCache[CACHE_FAT].LimitAddress   = Volume->FatPos + Volume->FatSize;

-  FatCacheSize                        = FatCacheGroupCount << DiskCache[CACHE_FAT].PageAlignment;

-  DataCacheSize                       = FAT_DATACACHE_GROUP_COUNT << DiskCache[CACHE_DATA].PageAlignment;

+  DiskCache[CacheData].GroupMask     = FAT_DATACACHE_GROUP_COUNT - 1;

+  DiskCache[CacheData].BaseAddress   = Volume->RootPos;

+  DiskCache[CacheData].LimitAddress  = Volume->VolumeSize;

+  DiskCache[CacheFat].GroupMask      = FatCacheGroupCount - 1;

+  DiskCache[CacheFat].BaseAddress    = Volume->FatPos;

+  DiskCache[CacheFat].LimitAddress   = Volume->FatPos + Volume->FatSize;

+  FatCacheSize                        = FatCacheGroupCount << DiskCache[CacheFat].PageAlignment;

+  DataCacheSize                       = FAT_DATACACHE_GROUP_COUNT << DiskCache[CacheData].PageAlignment;

   //

   // Allocate the Fat Cache buffer

   //

@@ -538,7 +538,7 @@
   }

 

   Volume->CacheBuffer             = CacheBuffer;

-  DiskCache[CACHE_FAT].CacheBase  = CacheBuffer;

-  DiskCache[CACHE_DATA].CacheBase = CacheBuffer + FatCacheSize;

+  DiskCache[CacheFat].CacheBase  = CacheBuffer;

+  DiskCache[CacheData].CacheBase = CacheBuffer + FatCacheSize;

   return EFI_SUCCESS;

 }

diff --git a/FatPkg/EnhancedFatDxe/Fat.h b/FatPkg/EnhancedFatDxe/Fat.h
index b73135c..42aa647 100644
--- a/FatPkg/EnhancedFatDxe/Fat.h
+++ b/FatPkg/EnhancedFatDxe/Fat.h
@@ -128,28 +128,28 @@
 // The fat types we support

 //

 typedef enum {

-  FAT12,

-  FAT16,

-  FAT32,

+  Fat12,

+  Fat16,

+  Fat32,

   FatUndefined

 } FAT_VOLUME_TYPE;

 

 typedef enum {

-  CACHE_FAT,

-  CACHE_DATA,

-  CACHE_MAX_TYPE

+  CacheFat,

+  CacheData,

+  CacheMaxType

 } CACHE_DATA_TYPE;

 

 //

 // Used in FatDiskIo

 //

 typedef enum {

-  READ_DISK     = 0,  // raw disk read

-  WRITE_DISK    = 1,  // raw disk write

-  READ_FAT      = 2,  // read fat cache

-  WRITE_FAT     = 3,  // write fat cache

-  READ_DATA     = 6,  // read data cache

-  WRITE_DATA    = 7   // write data cache

+  ReadDisk     = 0,  // raw disk read

+  WriteDisk    = 1,  // raw disk write

+  ReadFat      = 2,  // read fat cache

+  WriteFat     = 3,  // write fat cache

+  ReadData     = 6,  // read data cache

+  WriteData    = 7   // write data cache

 } IO_MODE;

 

 #define CACHE_ENABLED(a)  ((a) >= 2)

@@ -384,7 +384,7 @@
   // Disk Cache for this volume

   //

   VOID                            *CacheBuffer;

-  DISK_CACHE                      DiskCache[CACHE_MAX_TYPE];

+  DISK_CACHE                      DiskCache[CacheMaxType];

 } FAT_VOLUME;

 

 //

@@ -1100,7 +1100,7 @@
 

 EFI_STATUS

 FatGetNextDirEnt (

-  IN  FAT_OFILE         *OFILE,

+  IN  FAT_OFILE         *OFile,

   OUT FAT_DIRENT        **PtrDirEnt

   );

 

diff --git a/FatPkg/EnhancedFatDxe/FileSpace.c b/FatPkg/EnhancedFatDxe/FileSpace.c
index ce7c067..db44a33 100644
--- a/FatPkg/EnhancedFatDxe/FileSpace.c
+++ b/FatPkg/EnhancedFatDxe/FileSpace.c
@@ -59,11 +59,11 @@
   // Compute buffer position needed

   //

   switch (Volume->FatType) {

-  case FAT12:

+  case Fat12:

     Pos = FAT_POS_FAT12 (Index);

     break;

 

-  case FAT16:

+  case Fat16:

     Pos = FAT_POS_FAT16 (Index);

     break;

 

@@ -76,7 +76,7 @@
   Volume->FatEntryPos = Volume->FatPos + Pos;

   Status = FatDiskIo (

              Volume,

-             READ_FAT,

+             ReadFat,

              Volume->FatEntryPos,

              Volume->FatEntrySize,

              &Volume->FatEntryBuffer,

@@ -113,9 +113,9 @@
 --*/

 {

   VOID    *Pos;

-  UINT8   *E12;

-  UINT16  *E16;

-  UINT32  *E32;

+  UINT8   *En12;

+  UINT16  *En16;

+  UINT32  *En32;

   UINTN   Accum;

 

   Pos = FatLoadFatEntry (Volume, Index);

@@ -125,22 +125,22 @@
   }

 

   switch (Volume->FatType) {

-  case FAT12:

-    E12   = Pos;

-    Accum = E12[0] | (E12[1] << 8);

+  case Fat12:

+    En12   = Pos;

+    Accum = En12[0] | (En12[1] << 8);

     Accum = FAT_ODD_CLUSTER_FAT12 (Index) ? (Accum >> 4) : (Accum & FAT_CLUSTER_MASK_FAT12);

     Accum = Accum | ((Accum >= FAT_CLUSTER_SPECIAL_FAT12) ? FAT_CLUSTER_SPECIAL_EXT : 0);

     break;

 

-  case FAT16:

-    E16   = Pos;

-    Accum = *E16;

+  case Fat16:

+    En16   = Pos;

+    Accum = *En16;

     Accum = Accum | ((Accum >= FAT_CLUSTER_SPECIAL_FAT16) ? FAT_CLUSTER_SPECIAL_EXT : 0);

     break;

 

   default:

-    E32   = Pos;

-    Accum = *E32 & FAT_CLUSTER_MASK_FAT32;

+    En32   = Pos;

+    Accum = *En32 & FAT_CLUSTER_MASK_FAT32;

     Accum = Accum | ((Accum >= FAT_CLUSTER_SPECIAL_FAT32) ? FAT_CLUSTER_SPECIAL_EXT : 0);

   }

 

@@ -175,9 +175,9 @@
 --*/

 {

   VOID        *Pos;

-  UINT8       *E12;

-  UINT16      *E16;

-  UINT32      *E32;

+  UINT8       *En12;

+  UINT16      *En16;

+  UINT32      *En32;

   UINTN       Accum;

   EFI_STATUS  Status;

   UINTN       OriginalVal;

@@ -206,9 +206,9 @@
   // Update the value

   //

   switch (Volume->FatType) {

-  case FAT12:

-    E12   = Pos;

-    Accum = E12[0] | (E12[1] << 8);

+  case Fat12:

+    En12   = Pos;

+    Accum = En12[0] | (En12[1] << 8);

     Value = Value & FAT_CLUSTER_MASK_FAT12;

 

     if (FAT_ODD_CLUSTER_FAT12 (Index)) {

@@ -217,25 +217,25 @@
       Accum = Value | (Accum & FAT_CLUSTER_UNMASK_FAT12);

     }

 

-    E12[0]  = (UINT8) (Accum & 0xFF);

-    E12[1]  = (UINT8) (Accum >> 8);

+    En12[0]  = (UINT8) (Accum & 0xFF);

+    En12[1]  = (UINT8) (Accum >> 8);

     break;

 

-  case FAT16:

-    E16   = Pos;

-    *E16  = (UINT16) Value;

+  case Fat16:

+    En16   = Pos;

+    *En16  = (UINT16) Value;

     break;

 

   default:

-    E32   = Pos;

-    *E32  = (*E32 & FAT_CLUSTER_UNMASK_FAT32) | (UINT32) (Value & FAT_CLUSTER_MASK_FAT32);

+    En32   = Pos;

+    *En32  = (*En32 & FAT_CLUSTER_UNMASK_FAT32) | (UINT32) (Value & FAT_CLUSTER_MASK_FAT32);

   }

   //

   // If the volume's dirty bit is not set, set it now

   //

-  if (!Volume->FatDirty && Volume->FatType != FAT12) {

+  if (!Volume->FatDirty && Volume->FatType != Fat12) {

     Volume->FatDirty = TRUE;

-    FatAccessVolumeDirty (Volume, WRITE_FAT, &Volume->DirtyValue);

+    FatAccessVolumeDirty (Volume, WriteFat, &Volume->DirtyValue);

   }

   //

   // Write the updated fat entry value to the volume

@@ -244,7 +244,7 @@
   //

   Status = FatDiskIo (

              Volume,

-             WRITE_FAT,

+             WriteFat,

              Volume->FatEntryPos,

              Volume->FatEntrySize,

              &Volume->FatEntryBuffer,

diff --git a/FatPkg/EnhancedFatDxe/Flush.c b/FatPkg/EnhancedFatDxe/Flush.c
index 2c960f3..172f202 100644
--- a/FatPkg/EnhancedFatDxe/Flush.c
+++ b/FatPkg/EnhancedFatDxe/Flush.c
@@ -462,7 +462,7 @@
     // indicates this a FAT32 volume

     //

     if (Volume->FreeInfoValid && Volume->FatDirty && Volume->FreeInfoPos) {

-      Status = FatDiskIo (Volume, WRITE_DISK, Volume->FreeInfoPos, sizeof (FAT_INFO_SECTOR), &Volume->FatInfoSector, Task);

+      Status = FatDiskIo (Volume, WriteDisk, Volume->FreeInfoPos, sizeof (FAT_INFO_SECTOR), &Volume->FatInfoSector, Task);

       if (EFI_ERROR (Status)) {

         return Status;

       }

@@ -470,9 +470,9 @@
     //

     // Update that the volume is not dirty

     //

-    if (Volume->FatDirty && Volume->FatType != FAT12) {

+    if (Volume->FatDirty && Volume->FatType != Fat12) {

       Volume->FatDirty  = FALSE;

-      Status            = FatAccessVolumeDirty (Volume, WRITE_FAT, &Volume->NotDirtyValue);

+      Status            = FatAccessVolumeDirty (Volume, WriteFat, &Volume->NotDirtyValue);

       if (EFI_ERROR (Status)) {

         return Status;

       }

diff --git a/FatPkg/EnhancedFatDxe/Init.c b/FatPkg/EnhancedFatDxe/Init.c
index 34a7250..d7cfa82 100644
--- a/FatPkg/EnhancedFatDxe/Init.c
+++ b/FatPkg/EnhancedFatDxe/Init.c
@@ -265,7 +265,7 @@
   SectorsPerFat = FatBs.FatBsb.SectorsPerFat;

   if (SectorsPerFat == 0) {

     SectorsPerFat = FatBs.FatBse.Fat32Bse.LargeSectorsPerFat;

-    FatType       = FAT32;

+    FatType       = Fat32;

   }

   //

   // Is boot sector a fat sector?

@@ -305,7 +305,7 @@
   //

   // Initialize fields the volume information for this FatType

   //

-  if (FatType != FAT32) {

+  if (FatType != Fat32) {

     if (FatBs.FatBsb.RootEntries == 0) {

       return EFI_UNSUPPORTED;

     }

@@ -350,12 +350,12 @@
   //

   // If this is not a fat32, determine if it's a fat16 or fat12

   //

-  if (FatType != FAT32) {

+  if (FatType != Fat32) {

     if (Volume->MaxCluster >= FAT_MAX_FAT16_CLUSTER) {

       return EFI_VOLUME_CORRUPTED;

     }

 

-    FatType = Volume->MaxCluster < FAT_MAX_FAT12_CLUSTER ? FAT12 : FAT16;

+    FatType = Volume->MaxCluster < FAT_MAX_FAT12_CLUSTER ? Fat12 : Fat16;

     //

     // fat12 & fat16 fat-entries are 2 bytes

     //

@@ -376,8 +376,8 @@
   // We should keep the initial value as the NotDirtyValue

   // in case the volume is dirty already

   //

-  if (FatType != FAT12) {

-    Status = FatAccessVolumeDirty (Volume, READ_DISK, &Volume->NotDirtyValue);

+  if (FatType != Fat12) {

+    Status = FatAccessVolumeDirty (Volume, ReadDisk, &Volume->NotDirtyValue);

     if (EFI_ERROR (Status)) {

       return Status;

     }

@@ -387,10 +387,10 @@
   //

   // If present, read the fat hint info

   //

-  if (FatType == FAT32) {

+  if (FatType == Fat32) {

     Volume->FreeInfoPos = FatBs.FatBse.Fat32Bse.FsInfoSector * BlockSize;

     if (FatBs.FatBse.Fat32Bse.FsInfoSector != 0) {

-      FatDiskIo (Volume, READ_DISK, Volume->FreeInfoPos, sizeof (FAT_INFO_SECTOR), &Volume->FatInfoSector, NULL);

+      FatDiskIo (Volume, ReadDisk, Volume->FreeInfoPos, sizeof (FAT_INFO_SECTOR), &Volume->FatInfoSector, NULL);

       if (Volume->FatInfoSector.Signature == FAT_INFO_SIGNATURE &&

           Volume->FatInfoSector.InfoBeginSignature == FAT_INFO_BEGIN_SIGNATURE &&

           Volume->FatInfoSector.InfoEndSignature == FAT_INFO_END_SIGNATURE &&

diff --git a/FatPkg/EnhancedFatDxe/Misc.c b/FatPkg/EnhancedFatDxe/Misc.c
index c7455a4..c5476e8 100644
--- a/FatPkg/EnhancedFatDxe/Misc.c
+++ b/FatPkg/EnhancedFatDxe/Misc.c
@@ -397,7 +397,7 @@
         // Blocking access

         //

         DiskIo      = Volume->DiskIo;

-        IoFunction  = (IoMode == READ_DISK) ? DiskIo->ReadDisk : DiskIo->WriteDisk;

+        IoFunction  = (IoMode == ReadDisk) ? DiskIo->ReadDisk : DiskIo->WriteDisk;

         Status      = IoFunction (DiskIo, Volume->MediaId, Offset, BufferSize, Buffer);

       } else {

         //

@@ -409,7 +409,7 @@
         } else {

           Subtask->Signature  = FAT_SUBTASK_SIGNATURE;

           Subtask->Task       = Task;

-          Subtask->Write      = (BOOLEAN) (IoMode == WRITE_DISK);

+          Subtask->Write      = (BOOLEAN) (IoMode == WriteDisk);

           Subtask->Offset     = Offset;

           Subtask->Buffer     = Buffer;

           Subtask->BufferSize = BufferSize;

diff --git a/FatPkg/EnhancedFatDxe/ReadWrite.c b/FatPkg/EnhancedFatDxe/ReadWrite.c
index 9afb6bf..81676cd 100644
--- a/FatPkg/EnhancedFatDxe/ReadWrite.c
+++ b/FatPkg/EnhancedFatDxe/ReadWrite.c
@@ -253,7 +253,7 @@
   //

   // Write to a directory is unsupported

   //

-  if ((OFile->ODir != NULL) && (IoMode == WRITE_DATA)) {

+  if ((OFile->ODir != NULL) && (IoMode == WriteData)) {

     return EFI_UNSUPPORTED;

   }

 

@@ -261,7 +261,7 @@
     return EFI_DEVICE_ERROR;

   }

 

-  if (IoMode == READ_DATA) {

+  if (IoMode == ReadData) {

     //

     // If position is at EOF, then return device error

     //

@@ -305,7 +305,7 @@
       //

       // Read a directory is supported

       //

-      ASSERT (IoMode == READ_DATA);

+      ASSERT (IoMode == ReadData);

       Status = FatIFileReadDir (IFile, BufferSize, Buffer);

       OFile = NULL;

     } else {

@@ -317,7 +317,7 @@
         //

         // The position goes beyond the end of file

         //

-        if (IoMode == READ_DATA) {

+        if (IoMode == ReadData) {

           //

           // Adjust the actual size read

           //

@@ -401,7 +401,7 @@
 

 --*/

 {

-  return FatIFileAccess (FHand, READ_DATA, BufferSize, Buffer, NULL);

+  return FatIFileAccess (FHand, ReadData, BufferSize, Buffer, NULL);

 }

 

 EFI_STATUS

@@ -430,7 +430,7 @@
 

 --*/

 {

-  return FatIFileAccess (FHand, READ_DATA, &Token->BufferSize, Token->Buffer, Token);

+  return FatIFileAccess (FHand, ReadData, &Token->BufferSize, Token->Buffer, Token);

 }

 

 EFI_STATUS

@@ -464,7 +464,7 @@
 

 --*/

 {

-  return FatIFileAccess (FHand, WRITE_DATA, BufferSize, Buffer, NULL);

+  return FatIFileAccess (FHand, WriteData, BufferSize, Buffer, NULL);

 }

 

 EFI_STATUS

@@ -493,7 +493,7 @@
 

 --*/

 {

-  return FatIFileAccess (FHand, WRITE_DATA, &Token->BufferSize, Token->Buffer, Token);

+  return FatIFileAccess (FHand, WriteData, &Token->BufferSize, Token->Buffer, Token);

 }

 

 EFI_STATUS

@@ -563,7 +563,7 @@
     Position   += Len;

     UserBuffer += Len;

     BufferSize -= Len;

-    if (IoMode == WRITE_DATA) {

+    if (IoMode == WriteData) {

       OFile->Dirty    = TRUE;

       OFile->Archive  = TRUE;

     }

@@ -664,7 +664,7 @@
   do {

     WriteSize     = AppendedSize > BufferSize ? BufferSize : (UINTN) AppendedSize;

     AppendedSize -= WriteSize;

-    Status = FatAccessOFile (OFile, WRITE_DATA, WritePos, &WriteSize, ZeroBuffer, NULL);

+    Status = FatAccessOFile (OFile, WriteData, WritePos, &WriteSize, ZeroBuffer, NULL);

     if (EFI_ERROR (Status)) {

       break;

     }