change default type to unknown

Note: rebased on top of master for reformatting

Signed-off-by: Singee <[email protected]>
Signed-off-by: Robin H. Johnson <[email protected]>

Author: ImSingee

mdstat.go

@@ -99,7 +99,7 @@ func parseMDStat(mdStatData []byte) ([]MDStat, error) {
 		mdName := deviceFields[0] // mdx
 		state := deviceFields[2]  // active or inactive
 
-		mdType := ""
+		mdType := "unknown"
 		if len(deviceFields) > 3 && isRaidType(deviceFields[3]) {
 			mdType = deviceFields[3] // raid1, raid5, etc.
 		} else if len(deviceFields) > 4 && isRaidType(deviceFields[4]) {

mdstat_test.go

@@ -238,7 +238,7 @@ func TestFS_MDStat(t *testing.T) {
 			Devices:                []string{"sdb", "sdc"}},
 		"md219": {
 			Name:                   "md219",
-			Type:                   "",
+			Type:                   "unknown",
 			ActivityState:          "inactive",
 			DisksTotal:             0,
 			DisksFailed:            0,