- Route the stream file objects also through the close path.

- Calculate the size of the fcb hash table depend on the file system type.

svn path=/trunk/; revision=14422

reactos/drivers/fs/vfat/cleanup.c

@@ -49,6 +49,19 @@ VfatCleanupFile(PVFAT_IRP_CONTEXT IrpContext)
      if (pFcb->Flags & FCB_DELETE_PENDING &&
          pFcb->OpenHandleCount == 1)
        {
+	 PFILE_OBJECT tmpFileObject;
+	 tmpFileObject = pFcb->FileObject;
+	 if (tmpFileObject != NULL)
+	   {
+	     pFcb->FileObject = NULL;
+#ifdef USE_ROS_CC_AND_FS
+             CcRosReleaseFileCache(tmpFileObject);
+#else
+             CcUninitializeCacheMap(tmpFileObject, NULL, NULL);
+#endif
+             ObDereferenceObject(tmpFileObject);
+           }
+
 #if 0
          /* FIXME:
 	  *  CcPurgeCacheSection is unimplemented.

reactos/drivers/fs/vfat/close.c

@@ -43,11 +43,8 @@ VfatCloseFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject)
      pFcb->RefCount--;
      FileObject->FsContext2 = NULL;
   }
-  else if (FileObject->FileName.Buffer)
+  else
   {
-    // This a FO, that was created outside from FSD.
-    // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
-    // This FO's haven't a FileName.
     if (FileObject->DeletePending)
     {
       if (pFcb->Flags & FCB_DELETE_PENDING)

reactos/drivers/fs/vfat/fcb.c

@@ -191,10 +191,10 @@ vfatReleaseFCB(PDEVICE_EXTENSION  pVCB,  PVFATFCB  pFCB)
 
   while (pFCB)
   {
-     Index = pFCB->Hash.Hash % FCB_HASH_TABLE_SIZE;
+     Index = pFCB->Hash.Hash % pVCB->HashTableSize;
-     ShortIndex = pFCB->ShortHash.Hash % FCB_HASH_TABLE_SIZE;
+     ShortIndex = pFCB->ShortHash.Hash % pVCB->HashTableSize;
      pFCB->RefCount--;
-     if (pFCB->RefCount <= 0 && (!vfatFCBIsDirectory (pFCB) || pFCB->Flags & FCB_DELETE_PENDING))
+     if (pFCB->RefCount == 0)
      {
         tmpFcb = pFCB->parentFcb;
         RemoveEntryList (&pFCB->FcbListEntry);  
@@ -227,22 +227,6 @@ vfatReleaseFCB(PDEVICE_EXTENSION  pVCB,  PVFATFCB  pFCB)
 	   }
            entry->next = pFCB->Hash.next;
         }
-        if (vfatFCBIsDirectory(pFCB))
-        {
-           /* Uninitialize file cache if initialized for this file object. */
-           if (pFCB->FileObject->SectionObjectPointer->SharedCacheMap)
-	   {
-#ifdef USE_ROS_CC_AND_FS
-              CcRosReleaseFileCache(pFCB->FileObject);
-#else
-              CcUninitializeCacheMap(pFCB->FileObject, NULL, NULL);
-#endif
-	   }
-           vfatDestroyCCB(pFCB->FileObject->FsContext2);
-           pFCB->FileObject->FsContext2 = NULL;
-	   pFCB->FileObject->FsContext = NULL;
-           ObDereferenceObject(pFCB->FileObject);
-        }
         vfatDestroyFCB (pFCB);
      }
      else
@@ -259,8 +243,8 @@ vfatAddFCBToTable(PDEVICE_EXTENSION  pVCB,  PVFATFCB  pFCB)
   ULONG Index;
   ULONG ShortIndex;
 
-  Index = pFCB->Hash.Hash % FCB_HASH_TABLE_SIZE;
+  Index = pFCB->Hash.Hash % pVCB->HashTableSize;
-  ShortIndex = pFCB->ShortHash.Hash % FCB_HASH_TABLE_SIZE;
+  ShortIndex = pFCB->ShortHash.Hash % pVCB->HashTableSize;
 
   InsertTailList (&pVCB->FcbListHead, &pFCB->FcbListEntry);
    
@@ -292,7 +276,7 @@ vfatGrabFCBFromTable(PDEVICE_EXTENSION  pVCB, PUNICODE_STRING  PathNameU)
   
   Hash = vfatNameHash(0, PathNameU);
 
-  entry = pVCB->FcbHashTable[Hash % FCB_HASH_TABLE_SIZE];
+  entry = pVCB->FcbHashTable[Hash % pVCB->HashTableSize];
   if (entry)
     {
       vfatSplitPathName(PathNameU, &DirNameU, &FileNameU);
@@ -353,6 +337,7 @@ vfatFCBInitializeCacheFromVolume (PVCB  vcb, PVFATFCB  fcb)
   fileObject->FsContext = fcb;
   fileObject->FsContext2 = newCCB;
   fcb->FileObject = fileObject;
+  fcb->RefCount++;
 
 #ifdef USE_ROS_CC_AND_FS
   fileCacheQuantum = (vcb->FatInfo.BytesPerCluster >= PAGE_SIZE) ?
@@ -375,12 +360,7 @@ vfatFCBInitializeCacheFromVolume (PVCB  vcb, PVFATFCB  fcb)
 #endif
 
   fcb->Flags |= FCB_CACHE_INITIALIZED;
-
-#ifdef USE_ROS_CC_AND_FS
-  return  status;
-#else
   return STATUS_SUCCESS;
-#endif
 }
 
 PVFATFCB

reactos/drivers/fs/vfat/fsctl.c

@@ -372,6 +372,8 @@ VfatMount (PVFAT_IRP_CONTEXT IrpContext)
    PDEVICE_OBJECT DeviceToMount;
    UNICODE_STRING NameU = RTL_CONSTANT_STRING(L"\\$$Fat$$");
    UNICODE_STRING VolumeNameU = RTL_CONSTANT_STRING(L"\\$$Volume$$");
+   ULONG HashTableSize;
+   FATINFO FatInfo;
 
    DPRINT("VfatMount(IrpContext %x)\n", IrpContext);
 
@@ -385,7 +387,7 @@ VfatMount (PVFAT_IRP_CONTEXT IrpContext)
 
    DeviceToMount = IrpContext->Stack->Parameters.MountVolume.DeviceObject;
 
-   Status = VfatHasFileSystem (DeviceToMount, &RecognizedFS, NULL);
+   Status = VfatHasFileSystem (DeviceToMount, &RecognizedFS, &FatInfo);
    if (!NT_SUCCESS(Status))
    {
       goto ByeBye;
@@ -398,9 +400,24 @@ VfatMount (PVFAT_IRP_CONTEXT IrpContext)
       goto ByeBye;
    }
 
+   /* Use prime numbers for the table size */
+   if (FatInfo.FatType == FAT12)
+   {
+      HashTableSize = 4099; // 4096 = 4 * 1024
+   }
+   else if (FatInfo.FatType == FAT16 ||
+            FatInfo.FatType == FATX16)
+   {
+      HashTableSize = 16411; // 16384 = 16 * 1024
+   }
+   else
+   {
+      HashTableSize = 65537; // 65536 = 64 * 1024;
+   }
+   HashTableSize = FCB_HASH_TABLE_SIZE;
    DPRINT("VFAT: Recognized volume\n");
    Status = IoCreateDevice(VfatGlobalData->DriverObject,
-			   sizeof (DEVICE_EXTENSION),
+			   ROUND_UP(sizeof (DEVICE_EXTENSION), sizeof(DWORD)) + sizeof(HASHENTRY*) * HashTableSize,
 			   NULL,
 			   FILE_DEVICE_FILE_SYSTEM,
 			   0,
@@ -413,7 +430,9 @@ VfatMount (PVFAT_IRP_CONTEXT IrpContext)
 
    DeviceObject->Flags = DeviceObject->Flags | DO_DIRECT_IO;
    DeviceExt = (PVOID) DeviceObject->DeviceExtension;
-   RtlZeroMemory(DeviceExt, sizeof(DEVICE_EXTENSION));
+   RtlZeroMemory(DeviceExt, ROUND_UP(sizeof(DEVICE_EXTENSION), sizeof(DWORD)) + sizeof(HASHENTRY*) * HashTableSize);
+   DeviceExt->FcbHashTable = (HASHENTRY**)((ULONG_PTR)DeviceExt + ROUND_UP(sizeof(DEVICE_EXTENSION), sizeof(DWORD)));
+   DeviceExt->HashTableSize = HashTableSize;
 
    /* use same vpb as device disk */
    DeviceObject->Vpb = DeviceToMount->Vpb;
@@ -557,7 +576,7 @@ VfatMount (PVFAT_IRP_CONTEXT IrpContext)
 
    /* read volume label */
    ReadVolumeLabel(DeviceExt,  DeviceObject->Vpb);
-   
+
    Status = STATUS_SUCCESS;
 ByeBye:
 

reactos/drivers/fs/vfat/vfat.h

@@ -241,7 +241,8 @@ typedef struct DEVICE_EXTENSION
 
   KSPIN_LOCK FcbListLock;
   LIST_ENTRY FcbListHead;
-  struct _HASHENTRY* FcbHashTable[FCB_HASH_TABLE_SIZE];
+  ULONG HashTableSize;
+  struct _HASHENTRY** FcbHashTable;
 
   PDEVICE_OBJECT StorageDevice;
   PFILE_OBJECT FATFileObject;