GetFileInfo
status_t result = fInoIdMap.GetFileInfo(&fi, id);
status_t result = fInoIdMap.GetFileInfo(&fileInfo, id);
result = fFileSystem->InoIdMap()->GetFileInfo(&info, entry->fNode);
status_t GetFileInfo(FileInfo* fileInfo,
ASSERT(fs->InoIdMap()->GetFileInfo(&fileInfo, vti->ID()) == B_ENTRY_NOT_FOUND);