if parity == -1 {
			// Ignore non defined parity
			continue
		}

		readQuorum := N - parity
		if defaultParityCount > 0 && parity == 0 {
			// In this case, parity == 0 implies that this object version is a
			// delete marker
			readQuorum = N/2 + 1
		}
		if occ < readQuorum {
			// Ignore this parity since we don't have enough shards for read quorum
			continue
		}

		uploadIDPath, "", false, false)

	readQuorum, writeQuorum, err := objectQuorumFromMeta(ctx, partsMetadata, errs, er.defaultParityCount)
	if err != nil {
		return fi, nil, err
	}

	if readQuorum < 0 {
		return fi, nil, errErasureReadQuorum
	}

	if writeQuorum < 0 {
		return fi, nil, errErasureWriteQuorum
	}

	quorum := readQuorum
	if write {
		quorum = writeQuorum
	}

				max = count
				commonCount = ops
			}
		}
		if max < readQuorum {
			return 0
		}
		return commonCount
	}

	return filter()
}

func getQuorumDiskInfos(disks []StorageAPI, infos []DiskInfo, readQuorum int) (newDisks []StorageAPI, newInfos []DiskInfo) {
	commonMutations := calcCommonCounter(infos, readQuorum)
	for i, info := range infos {

}

// reduceReadQuorumErrs behaves like reduceErrs but only for returning
// values of maximally occurring errors validated against readQuorum.
func reduceReadQuorumErrs(ctx context.Context, errs []error, ignoredErrs []error, readQuorum int) (maxErr error) {
	return reduceQuorumErrs(ctx, errs, ignoredErrs, readQuorum, errErasureReadQuorum)
}

// reduceWriteQuorumErrs behaves like reduceErrs but only for returning

			errs, bucket, object, versionID), err
	}

	result.ParityBlocks = result.DiskCount - readQuorum
	result.DataBlocks = readQuorum

	// List of disks having latest version of the object xl.meta
	// (by modtime).
	onlineDisks, quorumModTime, quorumETag := listOnlineDisks(storageDisks, partsMetadata, errs, readQuorum)

	// Latest FileInfo for reference. If a valid metadata is not

	if err != nil {
		t.Fatalf("Failed to putObject %v", err)
	}

	_, errs := readAllFileInfo(ctx, erasureDisks, "", bucket, object, "", false, true)
	readQuorum := len(erasureDisks) / 2
	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
		t.Fatalf("Failed to read xl meta data %v", reducedErr)
	}

	// Test 1: Test that all disks are returned without any failures with

		return dquorum
	}
	quorum := fi.Erasure.DataBlocks
	if fi.Erasure.DataBlocks == fi.Erasure.ParityBlocks {
		quorum++
	}
	return quorum
}

// ReadQuorum returns expected read quorum for this FileInfo
func (fi FileInfo) ReadQuorum(dquorum int) int {
	if fi.Deleted {
		return dquorum
	}
	return fi.Erasure.DataBlocks
}

// Equals checks if fi(FileInfo) matches ofi(FileInfo)

// If the context is canceled the function will return the error,
// otherwise the function will return nil.
func mergeEntryChannels(ctx context.Context, in []chan metaCacheEntry, out chan<- metaCacheEntry, readQuorum int) error {
	defer xioutil.SafeClose(out)
	top := make([]*metaCacheEntry, len(in))
	nDone := 0
	ctxDone := ctx.Done()

	// Use simpler forwarder.
	if len(in) == 1 {
		for {
			select {

	return s.sets[s.getHashedSetIndex(input)]
}

// listDeletedBuckets lists deleted buckets from all disks.
func listDeletedBuckets(ctx context.Context, storageDisks []StorageAPI, delBuckets map[string]VolInfo, readQuorum int) error {
	g := errgroup.WithNErrs(len(storageDisks))
	var mu sync.Mutex
	for index := range storageDisks {
		index := index
		g.Go(func() error {
			if storageDisks[index] == nil {