case "ReportNotFound":
			z.ReportNotFound, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "ReportNotFound")
				return
			}
		case "FilterPrefix":
			z.FilterPrefix, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "FilterPrefix")
				return
			}
		case "ForwardTo":
			z.ForwardTo, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "ForwardTo")
				return

		// No additional prefix
		return
	}
	// Remove basedir.
	o.FilterPrefix = strings.TrimPrefix(o.Prefix, o.BaseDir)
	// Remove leading and trailing slashes.
	o.FilterPrefix = strings.Trim(o.FilterPrefix, slashSeparator)

	if strings.Contains(o.FilterPrefix, slashSeparator) {
		// Sanity check, should not happen.
		o.FilterPrefix = ""
	}
}

				return
			}
		case "Prefix":
			z.Prefix, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Prefix")
				return
			}
		case "FilterPrefix":
			z.FilterPrefix, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "FilterPrefix")
				return
			}
		case "Marker":
			z.Marker, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Marker")
				return
			}

	}
	for i := 0; i < elements; i++ {
		bm.findCache(listPathOptions{
			ID:           mustGetUUID(),
			Bucket:       "",
			BaseDir:      pathNames[i%paths],
			Prefix:       "",
			FilterPrefix: "",
			Marker:       "",
			Limit:        0,
			AskDisks:     "strict",
			Recursive:    false,
			Separator:    slashSeparator,
			Create:       true,
		})
	}
	b.ReportAllocs()
	b.ResetTimer()

	Recursive bool

	// ReportNotFound will return errFileNotFound if all disks reports the BaseDir cannot be found.
	ReportNotFound bool

	// FilterPrefix will only return results with given prefix within folder.
	// Should never contain a slash.
	FilterPrefix string

	// ForwardTo will forward to the given object path.
	ForwardTo string

	// Limit the number of returned objects if > 0.
	Limit int

	}

	path := baseDirFromPrefix(prefix)
	filterPrefix := strings.Trim(strings.TrimPrefix(prefix, path), slashSeparator)
	if path == prefix {
		filterPrefix = ""
	}

	lopts := listPathRawOptions{
		disks:          disks,
		fallbackDisks:  fallbackDisks,
		bucket:         bucket,
		path:           path,
		filterPrefix:   filterPrefix,
		recursive:      true,
		forwardTo:      "",
		minDisks:       1,

	if limit < 0 || len(merged) < limit {
		merged = append(merged, a...)
		merged = append(merged, b...)
	}
	m.o = merged
}

// filterPrefix will filter m to only contain entries with the specified prefix.
func (m *metaCacheEntriesSorted) filterPrefix(s string) {
	if s == "" {
		return
	}
	m.forwardTo(s)
	for i, o := range m.o {
		if !o.hasPrefix(s) {
			m.o = m.o[:i]
			break
		}
	}

	if !reflect.DeepEqual(want, got) {
		t.Errorf("got unexpected result: %#v", got)
	}
}

func Test_metaCacheEntries_filterPrefix(t *testing.T) {
	data := loadMetacacheSampleEntries(t)
	data.filterPrefix("src/compress/bzip2/")
	got := data.entries().names()

				path := baseDirFromPrefix(prefix)
				filterPrefix := strings.Trim(strings.TrimPrefix(prefix, path), slashSeparator)
				if path == prefix {
					filterPrefix = ""
				}

				lopts := listPathRawOptions{
					disks:          disks,
					fallbackDisks:  fallbackDisks,
					bucket:         bucket,
					path:           path,
					filterPrefix:   filterPrefix,
					recursive:      true,