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Commit 2951b024 authored by Pawan Wagh's avatar Pawan Wagh
Browse files

Wipe /data with ext4 before 16K OTA 

16K developer option needs /data partition to be ext4. Wipe
the /data and reformat it to ext4 using RecoverySystem.

Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Test: adb shell cat /proc/mounts | grep f2fs
Bug: 295035851
Bug: 320700993
Change-Id: I7ca6f3a7e18d6dbe4e9791b3c83d149365941989
parent ff6f53b2

res/values/strings.xml

+6 −0
Original line number Diff line number Diff line
@@ -11340,6 +11340,12 @@ 
    <!-- Toast message when 16k OTA update fails -->

    <string name="toast_16k_update_failed_text">Failed to update kernel to 16KB pages compatible kernel.</string>

    <string name="progress_16k_ota_title">Applying change</string>

    <!-- Confirmation dialog title and text to reformat data to ext4 -->

    <string name="confirm_format_ext4_title">Reformat device to ext4?</string>

    <string name="confirm_format_ext4_text">16K developer option is supported with ext4 filesystem. Device will be wiped and filesystem will be changed to ext4 after confirmation.</string>

    <!-- Toast on failure to reformat data to ext4 -->

    <string name="format_ext4_failure_toast">Failed to reformat and wipe the data partiton to ext4.</string>















    <!-- DSU Loader. Do not translate. -->





























    <string name="dsu_loader_title" translatable="false">DSU Loader</string>

























src/com/android/settings/development/Enable16kPagesPreferenceController.java



+67
−6




























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Diff line number
Diff line








@@ -22,6 +22,7 @@ import android.os.Handler;













import android.os.ParcelFileDescriptor;















import android.os.PersistableBundle;















import android.os.PowerManager;













import android.os.RecoverySystem;















import android.os.SystemProperties;















import android.os.SystemUpdateManager;















import android.os.UpdateEngine;









@@ -34,7 +35,6 @@ import android.widget.ProgressBar;













import android.widget.Toast;































import androidx.annotation.NonNull;













import androidx.annotation.Nullable;















import androidx.annotation.VisibleForTesting;















import androidx.appcompat.app.AlertDialog;















import androidx.core.content.ContextCompat;









@@ -54,6 +54,7 @@ import com.google.common.util.concurrent.MoreExecutors;













import java.io.BufferedReader;















import java.io.File;















import java.io.FileNotFoundException;













import java.io.FileReader;















import java.io.IOException;















import java.io.InputStream;















import java.io.InputStreamReader;









@@ -68,7 +69,8 @@ import java.util.zip.ZipFile;













public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferenceController















        implements Preference.OnPreferenceChangeListener,















                PreferenceControllerMixin,













                Enable16kbPagesDialogHost {













                Enable16kbPagesDialogHost,













                EnableExt4DialogHost {































    private static final String TAG = "Enable16kPages";















    private static final String REBOOT_REASON = "toggle16k";









@@ -87,7 +89,7 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













    private static final int OFFSET_TO_FILE_NAME = 30;















    public static final String EXPERIMENTAL_UPDATE_TITLE = "Android 16K Kernel Experimental Update";





























    private @Nullable DevelopmentSettingsDashboardFragment mFragment = null;













    private @NonNull DevelopmentSettingsDashboardFragment mFragment;















    private boolean mEnable16k;































    private final ListeningExecutorService mExecutorService =









@@ -96,9 +98,9 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













    private AlertDialog mProgressDialog;































    public Enable16kPagesPreferenceController(













            @NonNull Context context, @Nullable DevelopmentSettingsDashboardFragment fragment) {













            @NonNull Context context, @NonNull DevelopmentSettingsDashboardFragment fragment) {















        super(context);













        mFragment = fragment;













        this.mFragment = fragment;















    }































    @Override









@@ -114,6 +116,10 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













    @Override















    public boolean onPreferenceChange(Preference preference, Object newValue) {















        mEnable16k = (Boolean) newValue;













        if (isDataf2fs()) {













            EnableExt4WarningDialog.show(mFragment, this);













            return false;













        }















        Enable16kPagesWarningDialog.show(mFragment, this, mEnable16k);















        return true;















    }










@@ -162,7 +168,7 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













                    }































                    @Override













                    public void onFailure(Throwable t) {













                    public void onFailure(@NonNull Throwable t) {















                        hideProgressDialog();















                        Log.e(TAG, "Failed to call applyPayload of UpdateEngineStable!");















                        displayToast(mContext.getString(R.string.toast_16k_update_failed_text));










@@ -291,6 +297,41 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













        Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show();















    }





























    @Override













    public void onExt4DialogConfirmed() {













        // user has confirmed to wipe the device













        ListenableFuture future = mExecutorService.submit(() -> wipeData());













        Futures.addCallback(













                future,













                new FutureCallback<>() {













                    @Override













                    public void onSuccess(@NonNull Object result) {













                        Log.i(TAG, "Wiping /data  with recovery system.");













                    }



























                    @Override













                    public void onFailure(@NonNull Throwable t) {













                        Log.e(TAG, "Failed to change the /data partition with ext4");













                        displayToast(mContext.getString(R.string.format_ext4_failure_toast));













                    }













                },













                ContextCompat.getMainExecutor(mContext));













    }



























    private void wipeData() {













        RecoverySystem recoveryService = mContext.getSystemService(RecoverySystem.class);













        try {













            recoveryService.wipePartitionToExt4();













        } catch (IOException e) {













            throw new RuntimeException(e);













        }













    }



























    @Override













    public void onExt4DialogDismissed() {













        // Do nothing













    }





























    private class OtaUpdateCallback extends UpdateEngineStableCallback {















        UpdateEngineStable mUpdateEngineStable;


























@@ -357,4 +398,24 @@ public class Enable16kPagesPreferenceController extends DeveloperOptionsPreferen













        infoBundle.putString(SystemUpdateManager.KEY_TITLE, EXPERIMENTAL_UPDATE_TITLE);















        return infoBundle;















    }



























    private boolean isDataf2fs() {













        try (BufferedReader br = new BufferedReader(new FileReader("/proc/mounts"))) {













            String line;













            while ((line = br.readLine()) != null) {













                Log.i(TAG, line);













                final String[] fields = line.split(" ");













                final String partition = fields[1];













                final String fsType = fields[2];













                if (partition.equals("/data") && fsType.equals("f2fs")) {













                    return true;













                }













            }













        } catch (IOException e) {













            Log.e(TAG, "Failed to read /proc/mounts");













            displayToast(mContext.getString(R.string.format_ext4_failure_toast));













        }



























        return false;













    }















}
























src/com/android/settings/development/EnableExt4DialogHost.java
0 → 100644



+26
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/*













 * Copyright (C) 2024 The Android Open Source Project













 *













 * Licensed under the Apache License, Version 2.0 (the "License");













 * you may not use this file except in compliance with the License.













 * You may obtain a copy of the License at













 *













 *      http://www.apache.org/licenses/LICENSE-2.0













 *













 * Unless required by applicable law or agreed to in writing, software













 * distributed under the License is distributed on an "AS IS" BASIS,













 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.













 * See the License for the specific language governing permissions and













 * limitations under the License.













 */



























package com.android.settings.development;



























/** Interface for EnableExt4DialogHost callbacks. */













public interface EnableExt4DialogHost {













    /** Callback when the user presses ok the warning dialog. */













    void onExt4DialogConfirmed();



























    /** Callback when the user cancels or dismisses the warning dialog. */













    void onExt4DialogDismissed();













}
























src/com/android/settings/development/EnableExt4WarningDialog.java
0 → 100644



+93
−0




























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/*













 * Copyright (C) 2024 The Android Open Source Project













 *













 * Licensed under the Apache License, Version 2.0 (the "License");













 * you may not use this file except in compliance with the License.













 * You may obtain a copy of the License at













 *













 *      http://www.apache.org/licenses/LICENSE-2.0













 *













 * Unless required by applicable law or agreed to in writing, software













 * distributed under the License is distributed on an "AS IS" BASIS,













 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.













 * See the License for the specific language governing permissions and













 * limitations under the License.













 */



























package com.android.settings.development;



























import android.app.Dialog;













import android.app.settings.SettingsEnums;













import android.content.DialogInterface;













import android.os.Bundle;



























import androidx.annotation.NonNull;













import androidx.annotation.Nullable;













import androidx.appcompat.app.AlertDialog;













import androidx.fragment.app.Fragment;













import androidx.fragment.app.FragmentManager;



























import com.android.internal.annotations.Initializer;













import com.android.settings.R;













import com.android.settings.core.instrumentation.InstrumentedDialogFragment;



























/** Dialog when user interacts 16K pages developer option and data is f2fs */













public class EnableExt4WarningDialog extends InstrumentedDialogFragment













        implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener {



























    public static final String TAG = "EnableExt4WarningDialog";



























    private EnableExt4DialogHost mHost;



























    @Initializer













    private void setHost(@NonNull EnableExt4DialogHost host) {













        this.mHost = host;













    }



























    /** This method is used to show warning dialog to reformat data to /ext4 */













    public static void show(













            @NonNull Fragment hostFragment, @NonNull EnableExt4DialogHost dialogHost) {













        final FragmentManager manager = hostFragment.getActivity().getSupportFragmentManager();













        Fragment existingFragment = manager.findFragmentByTag(TAG);













        if (existingFragment == null) {













            existingFragment = new EnableExt4WarningDialog();













        }



























        if (existingFragment instanceof EnableExt4WarningDialog) {













            existingFragment.setTargetFragment(hostFragment, 0 /* requestCode */);













            ((EnableExt4WarningDialog) existingFragment).setHost(dialogHost);













            ((EnableExt4WarningDialog) existingFragment).show(manager, TAG);













        }













    }



























    @Override













    public int getMetricsCategory() {













        return SettingsEnums.DIALOG_ENABLE_16K_PAGES;













    }



























    @NonNull













    @Override













    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {













        return new AlertDialog.Builder(getActivity())













                .setTitle(R.string.confirm_format_ext4_title)













                .setMessage(R.string.confirm_format_ext4_text)













                .setPositiveButton(android.R.string.ok, this /* onClickListener */)













                .setNegativeButton(android.R.string.cancel, this /* onClickListener */)













                .create();













    }



























    @Override













    public void onClick(@NonNull DialogInterface dialog, int buttonId) {













        if (buttonId == DialogInterface.BUTTON_POSITIVE) {













            mHost.onExt4DialogConfirmed();













        } else {













            mHost.onExt4DialogDismissed();













        }













    }



























    @Override













    public void onDismiss(@NonNull DialogInterface dialog) {













        super.onDismiss(dialog);













        mHost.onExt4DialogDismissed();













    }













}