ReadDirect
status_t ReadDirect(OpenStateCookie* cookie, off_t pos,
return ReadDirect(cookie, pos, buffer, _length, &eof);
result = args->fInode->ReadDirect(NULL,
return inode->ReadDirect(cookie, pos, buffer, length, &eof);
result = inode->ReadDirect(cookie, pos, buffer, &bytesRead, &eof);