public void FsTrim()
{
MetaRemapStorage.FsTrim();
DataRemapStorage.FsTrim();
DuplexStorage.FsTrim();
JournalStorage.FsTrim();
CoreDataIvfcStorage.FsTrim();
FatIvfcStorage?.FsTrim();
SaveDataFileSystemCore.FsTrim();
int unusedHeaderOffset = IsFirstHeaderInUse ? 0x4000 : 0;
BaseStorage.Slice(unusedHeaderOffset, 0x4000).Fill(TrimFillValue);
}