manager: no need to check overlayfs

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Module.kt

@@ -457,20 +457,6 @@ private fun ModuleList(
             },
         ) {
             when {
-                !viewModel.isOverlayAvailable -> {
-                    item {
-                        Box(
-                            modifier = Modifier.fillParentMaxSize(),
-                            contentAlignment = Alignment.Center
-                        ) {
-                            Text(
-                                stringResource(R.string.module_overlay_fs_not_available),
-                                textAlign = TextAlign.Center
-                            )
-                        }
-                    }
-                }
-
                 viewModel.moduleList.isEmpty() -> {
                     item {
                         Box(

manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt

@@ -350,12 +350,6 @@ suspend fun getSupportedKmis(): List<String> = withContext(Dispatchers.IO) {
     out.filter { it.isNotBlank() }.map { it.trim() }
 }
 
-fun overlayFsAvailable(): Boolean {
-    val shell = getRootShell()
-    // check /proc/filesystems
-    return ShellUtils.fastCmdResult(shell, "cat /proc/filesystems | grep overlay")
-}
-
 fun hasMagisk(): Boolean {
     val shell = getRootShell(true)
     val result = shell.newJob().add("which magisk").exec()

manager/app/src/main/java/me/weishu/kernelsu/ui/viewmodel/ModuleViewModel.kt

@@ -13,7 +13,6 @@ import kotlinx.coroutines.launch
 import me.weishu.kernelsu.ksuApp
 import me.weishu.kernelsu.ui.util.HanziToPinyin
 import me.weishu.kernelsu.ui.util.listModules
-import me.weishu.kernelsu.ui.util.overlayFsAvailable
 import org.json.JSONArray
 import org.json.JSONObject
 import java.text.Collator
@@ -52,9 +51,6 @@ class ModuleViewModel : ViewModel() {
         private set
     var search by mutableStateOf("")
 
-    var isOverlayAvailable by mutableStateOf(overlayFsAvailable())
-        private set
-
     var sortEnabledFirst by mutableStateOf(false)
     var sortActionFirst by mutableStateOf(false)
     val moduleList by derivedStateOf {
@@ -87,8 +83,6 @@ class ModuleViewModel : ViewModel() {
             val start = SystemClock.elapsedRealtime()
 
             kotlin.runCatching {
-                isOverlayAvailable = overlayFsAvailable()
-
                 val result = listModules()
 
                 Log.i(TAG, "result: $result")
@@ -168,4 +162,4 @@ class ModuleViewModel : ViewModel() {
 
         return Triple(zipUrl, version, changelog)
     }
-}
+}