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Wipe /data with ext4 before 16K OTA

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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
This commit is contained in:
Pawan Wagh
2024-02-23 01:04:29 +00:00
parent ff6f53b24a
commit 2951b024dc
4 changed files with 192 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
src/com/android/settings/development/Enable16kPagesPreferenceController.java
View File

@@ -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;
}
}