reader.preferReaders(prefer)
	}
	defer reader.Done()

	startBlock := offset / e.blockSize
	endBlock := (offset + length) / e.blockSize

	var bytesWritten int64
	var bufs [][]byte
	for block := startBlock; block <= endBlock; block++ {
		var blockOffset, blockLength int64
		switch {
		case startBlock == endBlock:
			blockOffset = offset % e.blockSize
			blockLength = length
		case block == startBlock:

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      </a>
    </div>
  </div>
</div>