51   DISK_CACHE  *DiskCache;  in FatFlushDataCacheRange()  local
55   DiskCache     = &Volume->DiskCache[CacheData];  in FatFlushDataCacheRange()
56   BaseAddress   = DiskCache->CacheBase;  in FatFlushDataCacheRange()
57   GroupMask     = DiskCache->GroupMask;  in FatFlushDataCacheRange()
58   PageAlignment = DiskCache->PageAlignment;  in FatFlushDataCacheRange()
63     CacheTag  = &DiskCache->CacheTag[GroupNo];  in FatFlushDataCacheRange()
119   DISK_CACHE  *DiskCache;  in FatExchangeCachePage()  local
123   DiskCache     = &Volume->DiskCache[DataType];  in FatExchangeCachePage()
125   GroupNo       = PageNo & DiskCache->GroupMask;  in FatExchangeCachePage()
126   PageAlignment = DiskCache->PageAlignment;  in FatExchangeCachePage()
127   PageAddress   = DiskCache->CacheBase + (GroupNo << PageAlignment);  in FatExchangeCachePage()
128   EntryPos      = DiskCache->BaseAddress + LShiftU64 (PageNo, PageAlignment);  in FatExchangeCachePage()
132     MaxSize   = DiskCache->LimitAddress - EntryPos;  in FatExchangeCachePage()
244   DISK_CACHE  *DiskCache;  in FatAccessUnalignedCachePage()  local
248   DiskCache = &Volume->DiskCache[CacheDataType];  in FatAccessUnalignedCachePage()
249   GroupNo   = PageNo & DiskCache->GroupMask;  in FatAccessUnalignedCachePage()
250   CacheTag  = &DiskCache->CacheTag[GroupNo];  in FatAccessUnalignedCachePage()
253     Source      = DiskCache->CacheBase + (GroupNo << DiskCache->PageAlignment) + Offset;  in FatAccessUnalignedCachePage()
257       DiskCache->Dirty  = TRUE;  in FatAccessUnalignedCachePage()
317   DISK_CACHE  *DiskCache;  in FatAccessCache()  local
324   DiskCache     = &Volume->DiskCache[CacheDataType];  in FatAccessCache()
325   EntryPos      = Offset - DiskCache->BaseAddress;  in FatAccessCache()
326   PageAlignment = DiskCache->PageAlignment;  in FatAccessCache()
407   DISK_CACHE      *DiskCache;  in FatVolumeFlushCache()  local
411     DiskCache = &Volume->DiskCache[CacheDataType];  in FatVolumeFlushCache()
412     if (DiskCache->Dirty) {  in FatVolumeFlushCache()
416       GroupMask = DiskCache->GroupMask;  in FatVolumeFlushCache()
418         CacheTag = &DiskCache->CacheTag[GroupIndex];  in FatVolumeFlushCache()
430       DiskCache->Dirty = FALSE;  in FatVolumeFlushCache()
455   DISK_CACHE  *DiskCache;  in FatInitializeDiskCache()  local
461   DiskCache = Volume->DiskCache;  in FatInitializeDiskCache()
467     DiskCache[CacheFat].PageAlignment  = FAT_FATCACHE_PAGE_MIN_ALIGNMENT;  in FatInitializeDiskCache()
468     DiskCache[CacheData].PageAlignment = FAT_DATACACHE_PAGE_MIN_ALIGNMENT;  in FatInitializeDiskCache()
471     DiskCache[CacheFat].PageAlignment  = FAT_FATCACHE_PAGE_MAX_ALIGNMENT;  in FatInitializeDiskCache()
472     DiskCache[CacheData].PageAlignment = FAT_DATACACHE_PAGE_MAX_ALIGNMENT;  in FatInitializeDiskCache()
475   DiskCache[CacheData].GroupMask     = FAT_DATACACHE_GROUP_COUNT - 1;  in FatInitializeDiskCache()
476   DiskCache[CacheData].BaseAddress   = Volume->RootPos;  in FatInitializeDiskCache()
477   DiskCache[CacheData].LimitAddress  = Volume->VolumeSize;  in FatInitializeDiskCache()
478   DiskCache[CacheFat].GroupMask      = FatCacheGroupCount - 1;  in FatInitializeDiskCache()
479   DiskCache[CacheFat].BaseAddress    = Volume->FatPos;  in FatInitializeDiskCache()
480   DiskCache[CacheFat].LimitAddress   = Volume->FatPos + Volume->FatSize;  in FatInitializeDiskCache()
481   FatCacheSize                        = FatCacheGroupCount << DiskCache[CacheFat].PageAlignment;  in FatInitializeDiskCache()
482 …DataCacheSize                       = FAT_DATACACHE_GROUP_COUNT << DiskCache[CacheData].PageAlignm…  in FatInitializeDiskCache()
492   DiskCache[CacheFat].CacheBase  = CacheBuffer;  in FatInitializeDiskCache()
493   DiskCache[CacheData].CacheBase = CacheBuffer + FatCacheSize;  in FatInitializeDiskCache()