wr.setData(b, off, w);

                    final Smb2WriteResponse resp = th.send(wr, RequestParam.NO_RETRY);
                    final long cnt = resp.getCount();
                    this.fp += cnt;
                    len -= cnt;
                    off += cnt;
                } else if (this.useNTSmbs) {
                    this.reqx.setParam(fh.getFid(), this.fp, len - w, b, off, w);

                len -= cnt;
                off += cnt;
            } while (len > 0);
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    @Override
    public long getFilePointer() {
        return this.fp;
    }

    @Override
    public void seek(final long pos) {
        this.fp = pos;
    }

    @Override

					i, s1, s2, err, v.err)
			}
			if cnt != v.cnt {
				t.Errorf("test %d, NewReader(%s) with %s discard: got %d headers, want %d headers",
					i, s1, s2, cnt, v.cnt)
			}
		}
	}
}

// TestReadHeaderOnly tests that Reader does not attempt to read special
// header-only files.
func TestReadHeaderOnly(t *testing.T) {
	f, err := os.Open("testdata/hdr-only.tar")

	// in least number of total_drives/total_drives_erasure_set ratio.
	prevD := divisibleSize / setCounts[0]
	for _, cnt := range setCounts {
		if divisibleSize%cnt == 0 {
			d := divisibleSize / cnt
			if d <= prevD {
				prevD = d
				setSize = cnt
			}
		}
	}
	return setSize
}

// possibleSetCountsWithSymmetry returns symmetrical setCounts based on the

			if _, err := fmt.Sscanf(partPath, "part.%d.meta", &partNum); err == nil {
				partsWithMetaCount[partNum]++
			}
		}
		// Include only part.N.meta files with corresponding part.N
		for partNum, cnt := range partsWithMetaCount {
			if cnt < 2 {
				continue
			}
			partQuorumMap[partNum]++
		}
	}

	var partNums []int
	for partNum, count := range partQuorumMap {
		if count < readQuorum {
			continue
		}

	var (
		cntNewline int64
		buf        bytes.Buffer
		blk        block
		totalSize  int
	)

	// feedTokens copies data in blocks from r into buf until there are
	// at least cnt newlines in buf. It will not read more blocks than needed.
	feedTokens := func(n int64) error {
		for cntNewline < n {
			totalSize += len(blk)
			if totalSize > maxSpecialFileSize {
				return errSparseTooLong
			}