@@ -167,6 +167,7 @@ type Status struct {

 	// thin pool and it can't be activated again.

 	DeferredDeleteEnabled      bool

 	DeferredDeletedDeviceCount uint

+	MinFreeSpace               uint64

 }

 // Structure used to export image/container metadata in docker inspect.

@@ -2469,6 +2470,9 @@ func (devices *DeviceSet) Status() *Status {

 				status.Metadata.Available = actualSpace

 			}

 		}

+

+		minFreeData := (dataTotal * uint64(devices.minFreeSpacePercent)) / 100

+		status.MinFreeSpace = minFreeData * blockSizeInSectors * 512

 	}

 	return status

@@ -76,6 +76,7 @@ func (d *Driver) Status() [][2]string {

 		{"Metadata Space Used", fmt.Sprintf("%s", units.HumanSize(float64(s.Metadata.Used)))},

 		{"Metadata Space Total", fmt.Sprintf("%s", units.HumanSize(float64(s.Metadata.Total)))},

 		{"Metadata Space Available", fmt.Sprintf("%s", units.HumanSize(float64(s.Metadata.Available)))},

+		{"Thin Pool Minimum Free Space", fmt.Sprintf("%s", units.HumanSize(float64(s.MinFreeSpace)))},

 		{"Udev Sync Supported", fmt.Sprintf("%v", s.UdevSyncSupported)},

 		{"Deferred Removal Enabled", fmt.Sprintf("%v", s.DeferredRemoveEnabled)},

 		{"Deferred Deletion Enabled", fmt.Sprintf("%v", s.DeferredDeleteEnabled)},

@@ -109,6 +109,7 @@ The following command shows how to start the Docker daemon with the

      Metadata Space Used: 1.479 MB

      Metadata Space Total: 2.147 GB

      Metadata Space Available: 2.146 GB

+     Thin Pool Minimum Free Space: 10.74 GB

      Udev Sync Supported: true

      Deferred Removal Enabled: false

      Data loop file: /var/lib/docker/devicemapper/devicemapper/data