runtime: remove wrong xfs options

"data=ordered" and "errors=remount-ro" are wrong options in xfs.
(they are ext4 options)
<https://manpages.ubuntu.com/manpages/focal/man5/xfs.5.html>

Fixes: #11205

Signed-off-by: Shunsuke Kimura <pbrehpuum@gmail.com>

src/runtime/virtcontainers/hypervisor.go

@@ -150,7 +150,11 @@ func GetKernelRootParams(rootfstype string, disableNvdimm bool, dax bool) ([]Par
 			kernelRootParams = append(kernelRootParams, Param{"rootflags", "ro"})
 		}
 	case XFS:
-		fallthrough
+		if dax {
+			kernelRootParams = append(kernelRootParams, Param{"rootflags", "dax ro"})
+		} else {
+			kernelRootParams = append(kernelRootParams, Param{"rootflags", "ro"})
+		}
 	// EXT4 filesystem is used by default.
 	case EXT4:
 		if dax {

src/runtime/virtcontainers/hypervisor_test.go

@@ -64,7 +64,7 @@ func TestGetKernelRootParams(t *testing.T) {
 			rootfstype: string(XFS),
 			expected: []Param{
 				{"root", string(Nvdimm)},
-				{"rootflags", "data=ordered,errors=remount-ro ro"},
+				{"rootflags", "ro"},
 				{"rootfstype", string(XFS)},
 			},
 			disableNvdimm: false,
@@ -75,7 +75,7 @@ func TestGetKernelRootParams(t *testing.T) {
 			rootfstype: string(XFS),
 			expected: []Param{
 				{"root", string(Nvdimm)},
-				{"rootflags", "dax,data=ordered,errors=remount-ro ro"},
+				{"rootflags", "dax ro"},
 				{"rootfstype", string(XFS)},
 			},
 			disableNvdimm: false,
@@ -86,7 +86,7 @@ func TestGetKernelRootParams(t *testing.T) {
 			rootfstype: string(XFS),
 			expected: []Param{
 				{"root", string(VirtioBlk)},
-				{"rootflags", "data=ordered,errors=remount-ro ro"},
+				{"rootflags", "ro"},
 				{"rootfstype", string(XFS)},
 			},
 			disableNvdimm: true,