_CheckAllocated
status_t status = _CheckAllocated(inode->BlockRun(), "inode");
status = _CheckAllocated(data->direct[i], "direct");
status = _CheckAllocated(data->indirect, "indirect");
status = _CheckAllocated(runs[index], "indirect->run");
status = _CheckAllocated(data->double_indirect, "double indirect");
status = _CheckAllocated(indirect, "double indirect->runs");
status = _CheckAllocated(runs[index % runsPerBlock],
status_t _CheckAllocated(block_run run,