shardFileSize := erasure.ShardFileSize(data.Size())
	inlineBlock := globalStorageClass.InlineBlock()
	if inlineBlock <= 0 {
		inlineBlock = 128 * humanize.KiByte
	}

	writers := make([]io.Writer, len(onlineDisks))
	var inlineBuffers []*bytes.Buffer
	if shardFileSize >= 0 {
		if !opts.Versioned && shardFileSize < inlineBlock {

			checksumInfo := meta.Erasure.GetChecksumInfo(meta.Parts[0].Number)
			verifyErr := bitrotVerify(bytes.NewReader(meta.Data),
				int64(len(meta.Data)),
				meta.Erasure.ShardFileSize(meta.Size),
				checksumInfo.Algorithm,
				checksumInfo.Hash, meta.Erasure.ShardSize())
			dataErrsByPart[0][i] = convPartErrToInt(verifyErr)
			continue
		}

		var (
			verifyErr  error

				if disk == OfflineDisk {
					continue
				}
				partPath := pathJoin(tmpID, dstDataDir, fmt.Sprintf("part.%d", partNumber))
				if len(inlineBuffers) > 0 {
					buf := grid.GetByteBufferCap(int(erasure.ShardFileSize(latestMeta.Size)) + 64)
					inlineBuffers[i] = bytes.NewBuffer(buf[:0])
					defer grid.PutByteBuffer(buf)

					writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())

			}
			continue
		}
		if st.Mode().IsDir() {
			resp.Results[i] = checkPartFileNotFound
			continue
		}
		// Check if shard is truncated.
		if st.Size() < fi.Erasure.ShardFileSize(part.Size) {
			resp.Results[i] = checkPartFileCorrupt
			continue
		}
		resp.Results[i] = checkPartSuccess
	}

	return &resp, nil
}

	}
	writers := make([]io.Writer, len(onlineDisks))
	for i, disk := range onlineDisks {
		if disk == nil {
			continue
		}
		writers[i] = newBitrotWriter(disk, bucket, minioMetaTmpBucket, tmpPartPath, erasure.ShardFileSize(data.Size()), DefaultBitrotAlgorithm, erasure.ShardSize())
	}

	toEncode := io.Reader(data)
	if data.Size() > bigFileThreshold {
		// Add input readahead.