don't use ext4 mkfs options for other fs

pkg/util/mount/mount.go

@@ -78,12 +78,15 @@ func (mounter *SafeFormatAndMount) formatAndMount(source string, target string,
 		// It is possible that this disk is not formatted. Double check using diskLooksUnformatted
 		notFormatted, err := mounter.diskLooksUnformatted(source)
 		if err == nil && notFormatted {
+			args := []string{source}
 			// Disk is unformatted so format it.
 			// Use 'ext4' as the default
 			if len(fstype) == 0 {
 				fstype = "ext4"
 			}
-			args := []string{"-E", "lazy_itable_init=0,lazy_journal_init=0", "-F", source}
+			if fstype == "ext4" || fstype == "ext3" {
+				args = []string{"-E", "lazy_itable_init=0,lazy_journal_init=0", "-F", source}
+			}
 			cmd := mounter.Runner.Command("mkfs."+fstype, args...)
 			_, err := cmd.CombinedOutput()
 			if err == nil {

pkg/util/mount/safe_format_and_mount_test.go

@@ -61,15 +61,15 @@ func TestSafeFormatAndMount(t *testing.T) {
 			fstype: "ext4",
 		},
 
-		{ // Test that 'file' is called and fails
+		{ // Test that 'lsblk' is called and fails
 			fstype:    "ext4",
 			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'")},
 			execScripts: []ExecArgs{
 				{"lsblk", []string{"-nd", "-o", "FSTYPE", "/dev/foo"}, "ext4", nil},
 			},
 			expectedError: fmt.Errorf("unknown filesystem type '(null)'"),
 		},
-		{ // Test that 'file' is called and confirms unformatted disk, format fails
+		{ // Test that 'lsblk' is called and confirms unformatted disk, format fails
 			fstype:    "ext4",
 			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'")},
 			execScripts: []ExecArgs{
@@ -78,7 +78,7 @@ func TestSafeFormatAndMount(t *testing.T) {
 			},
 			expectedError: fmt.Errorf("formatting failed"),
 		},
-		{ // Test that 'file' is called and confirms unformatted disk, format passes, second mount fails
+		{ // Test that 'lsblk' is called and confirms unformatted disk, format passes, second mount fails
 			fstype:    "ext4",
 			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'"), fmt.Errorf("Still cannot mount")},
 			execScripts: []ExecArgs{
@@ -87,7 +87,7 @@ func TestSafeFormatAndMount(t *testing.T) {
 			},
 			expectedError: fmt.Errorf("Still cannot mount"),
 		},
-		{ // Test that 'file' is called and confirms unformatted disk, format passes, second mount passes
+		{ // Test that 'lsblk' is called and confirms unformatted disk, format passes, second mount passes
 			fstype:    "ext4",
 			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'"), nil},
 			execScripts: []ExecArgs{
@@ -96,7 +96,7 @@ func TestSafeFormatAndMount(t *testing.T) {
 			},
 			expectedError: nil,
 		},
-		{ // Test that 'file' is called and confirms unformatted disk, format passes, second mount passes with ext3
+		{ // Test that 'lsblk' is called and confirms unformatted disk, format passes, second mount passes with ext3
 			fstype:    "ext3",
 			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'"), nil},
 			execScripts: []ExecArgs{
@@ -105,6 +105,16 @@ func TestSafeFormatAndMount(t *testing.T) {
 			},
 			expectedError: nil,
 		},
+		{ // Test that 'lsblk' is called and confirms unformatted disk, format passes, second mount passes
+			// test that none ext4 fs does not get called with ext4 options.
+			fstype:    "xfs",
+			mountErrs: []error{fmt.Errorf("unknown filesystem type '(null)'"), nil},
+			execScripts: []ExecArgs{
+				{"lsblk", []string{"-nd", "-o", "FSTYPE", "/dev/foo"}, "", nil},
+				{"mkfs.xfs", []string{"/dev/foo"}, "", nil},
+			},
+			expectedError: nil,
+		},
 	}
 
 	for _, test := range tests {