t.Fatalf("Unable to create temporary file. %s", err)
		}
		return tmpfile.Name()
	}

	filename := createTempFile(
		`app="virtuous-rat-minio"
chart="minio-0.1.3"
heritage="Tiller"
pod-template-hash="818089471"`)

	defer os.Remove(filename)

	testCases := []struct {
		filename       string
		expectedResult string
	}{
		{"", ""},
		{"/tmp/non-existing-file", ""},

		// Sanity check, should not happen.
		o.FilterPrefix = ""
	}
}

// filter will apply the options and return the number of objects requested by the limit.
// Will return io.EOF if there are no more entries with the same filter.
// The last entry can be used as a marker to resume the listing.
func (r *metacacheReader) filter(o listPathOptions) (entries metaCacheEntriesSorted, err error) {
	// Forward to prefix, if any

					Filter:                  Filter{Prefix: "xy", And: And{}, Tag: Tag{Key: "k1", Value: "v1"}},
				},
				{
					Status:                  Enabled,
					Priority:                1,
					DeleteMarkerReplication: DeleteMarkerReplication{Status: Enabled},
					DeleteReplication:       DeleteReplication{Status: Disabled},
					Filter:                  Filter{Prefix: "xyz"},
				},
			},
		},

MINIO_IDENTITY_LDAP_USER_DN_SEARCH_BASE_DN*  (list)      ";" separated list of user search base DNs e.g. "dc=myldapserver,dc=com"
MINIO_IDENTITY_LDAP_USER_DN_SEARCH_FILTER*   (string)    Search filter to lookup user DN
MINIO_IDENTITY_LDAP_GROUP_SEARCH_FILTER      (string)    search filter for groups e.g. "(&(objectclass=groupOfNames)(memberUid=%s))"

	PreserveETag                        string    // preserves this etag during a PUT call.
	NoLock                              bool      // indicates to lower layers if the caller is expecting to hold locks.
	ProxyRequest                        bool      // only set for GET/HEAD in active-active replication scenario

				noQuorum, err := refreshLock(ctx, dm.clnt, id, source, quorum)
				if err == nil && noQuorum {
					// Clean the lock locally and in remote nodes
					forceUnlock(ctx, dm.clnt, id)
					// Execute the caller lock loss callback
					if lockLossCallback != nil {
						lockLossCallback()
					}
					return
				}

				refreshTimer.Reset(dm.refreshInterval)
			}
		}
	}()
}

		if rule.Status == Disabled {
			continue
		}
		if !strings.HasPrefix(obj.Name, rule.GetPrefix()) {
			continue
		}
		if !obj.DeleteMarker && !rule.Filter.TestTags(obj.UserTags) {
			continue
		}
		if !obj.DeleteMarker && !rule.Filter.BySize(obj.Size) {
			continue
		}
		rules = append(rules, rule)
	}
	return rules
}

// ObjectOpts provides information to deduce the lifecycle actions

		var ip net.IP
		switch v := addr.(type) {
		case *net.IPNet:
			ip = v.IP
		case *net.IPAddr:
			ip = v.IP
		}

		if ip.To4() != nil {
			localIP4.Add(ip.String())
		}
	}

	// Filter ipList by IPs those do not start with '127.'.
	nonLoopBackIPs := localIP4.FuncMatch(func(ip string, matchString string) bool {
		return !strings.HasPrefix(ip, "127.")
	}, "")
	if len(nonLoopBackIPs) == 0 {

	if err != nil {
		return toStorageErr(err)
	}
	return toStorageErr(st.Results(func(in []byte) error {
		_, err := wr.Write(in)
		return err
	}))
}

// WalkDirHandler - remote caller to list files and folders in a requested directory path.
func (s *storageRESTServer) WalkDirHandler(ctx context.Context, payload []byte, _ <-chan []byte, out chan<- []byte) (gerr *grid.RemoteErr) {
	var opts WalkDirOptions

					return nil
				})
			})
		}(disk)
	}
	wg.Wait()
}

// nsScanner will start scanning buckets and send updated totals as they are traversed.
// Updates are sent on a regular basis and the caller *must* consume them.
func (er erasureObjects) nsScanner(ctx context.Context, buckets []BucketInfo, wantCycle uint32, updates chan<- dataUsageCache, healScanMode madmin.HealScanMode) error {
	if len(buckets) == 0 {
		return nil