diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 75c9be966f816..ead94a8c66215 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -9507,7 +9507,7 @@ package android.os.storage {
 
   public final class StorageVolume implements android.os.Parcelable {
     method @NonNull public String getId();
-    method public boolean isStub();
+    method public boolean isExternallyManaged();
   }
 
 }
diff --git a/core/java/android/os/storage/StorageVolume.java b/core/java/android/os/storage/StorageVolume.java
index 19e04e69f52e1..8ee52c21e869a 100644
--- a/core/java/android/os/storage/StorageVolume.java
+++ b/core/java/android/os/storage/StorageVolume.java
@@ -99,7 +99,7 @@ public final class StorageVolume implements Parcelable {
     @UnsupportedAppUsage
     private final boolean mRemovable;
     private final boolean mEmulated;
-    private final boolean mStub;
+    private final boolean mExternallyManaged;
     private final boolean mAllowMassStorage;
     private final long mMaxFileSize;
     private final UserHandle mOwner;
@@ -138,7 +138,7 @@ public final class StorageVolume implements Parcelable {
 
     /** {@hide} */
     public StorageVolume(String id, File path, File internalPath, String description,
-            boolean primary, boolean removable, boolean emulated, boolean stub,
+            boolean primary, boolean removable, boolean emulated, boolean externallyManaged,
             boolean allowMassStorage, long maxFileSize, UserHandle owner, UUID uuid, String fsUuid,
             String state) {
         mId = Preconditions.checkNotNull(id);
@@ -148,7 +148,7 @@ public final class StorageVolume implements Parcelable {
         mPrimary = primary;
         mRemovable = removable;
         mEmulated = emulated;
-        mStub = stub;
+        mExternallyManaged = externallyManaged;
         mAllowMassStorage = allowMassStorage;
         mMaxFileSize = maxFileSize;
         mOwner = Preconditions.checkNotNull(owner);
@@ -165,7 +165,7 @@ public final class StorageVolume implements Parcelable {
         mPrimary = in.readInt() != 0;
         mRemovable = in.readInt() != 0;
         mEmulated = in.readInt() != 0;
-        mStub = in.readInt() != 0;
+        mExternallyManaged = in.readInt() != 0;
         mAllowMassStorage = in.readInt() != 0;
         mMaxFileSize = in.readLong();
         mOwner = in.readParcelable(null, android.os.UserHandle.class);
@@ -275,13 +275,13 @@ public final class StorageVolume implements Parcelable {
     }
 
     /**
-     * Returns true if the volume is a stub volume (a volume managed from outside Android).
+     * Returns true if the volume is managed from outside Android.
      *
      * @hide
      */
     @SystemApi
-    public boolean isStub() {
-        return mStub;
+    public boolean isExternallyManaged() {
+        return mExternallyManaged;
     }
 
     /**
@@ -520,7 +520,7 @@ public final class StorageVolume implements Parcelable {
         pw.printPair("mPrimary", mPrimary);
         pw.printPair("mRemovable", mRemovable);
         pw.printPair("mEmulated", mEmulated);
-        pw.printPair("mStub", mStub);
+        pw.printPair("mExternallyManaged", mExternallyManaged);
         pw.printPair("mAllowMassStorage", mAllowMassStorage);
         pw.printPair("mMaxFileSize", mMaxFileSize);
         pw.printPair("mOwner", mOwner);
@@ -555,7 +555,7 @@ public final class StorageVolume implements Parcelable {
         parcel.writeInt(mPrimary ? 1 : 0);
         parcel.writeInt(mRemovable ? 1 : 0);
         parcel.writeInt(mEmulated ? 1 : 0);
-        parcel.writeInt(mStub ? 1 : 0);
+        parcel.writeInt(mExternallyManaged ? 1 : 0);
         parcel.writeInt(mAllowMassStorage ? 1 : 0);
         parcel.writeLong(mMaxFileSize);
         parcel.writeParcelable(mOwner, flags);
@@ -637,7 +637,7 @@ public final class StorageVolume implements Parcelable {
                     mPrimary,
                     mRemovable,
                     mEmulated,
-                    /* stub= */ false,
+                    /* externallyManaged= */ false,
                     /* allowMassStorage= */ false,
                     /* maxFileSize= */ 0,
                     mOwner,
diff --git a/core/java/android/os/storage/VolumeInfo.java b/core/java/android/os/storage/VolumeInfo.java
index ebd143c339905..84b6b5eabda19 100644
--- a/core/java/android/os/storage/VolumeInfo.java
+++ b/core/java/android/os/storage/VolumeInfo.java
@@ -404,7 +404,7 @@ public class VolumeInfo implements Parcelable {
 
         final boolean removable;
         final boolean emulated;
-        final boolean stub = type == TYPE_STUB;
+        final boolean externallyManaged = type == TYPE_STUB;
         final boolean allowMassStorage = false;
         final String envState = reportUnmounted
                 ? Environment.MEDIA_UNMOUNTED : getEnvironmentForState(state);
@@ -460,8 +460,8 @@ public class VolumeInfo implements Parcelable {
         }
 
         return new StorageVolume(id, userPath, internalPath, description, isPrimary(), removable,
-                emulated, stub, allowMassStorage, maxFileSize, new UserHandle(userId), uuid,
-                derivedFsUuid, envState);
+                emulated, externallyManaged, allowMassStorage, maxFileSize, new UserHandle(userId),
+                uuid, derivedFsUuid, envState);
     }
 
     @UnsupportedAppUsage
diff --git a/core/java/android/os/storage/VolumeRecord.java b/core/java/android/os/storage/VolumeRecord.java
index eac09aab46cd4..1e5cdd79f539c 100644
--- a/core/java/android/os/storage/VolumeRecord.java
+++ b/core/java/android/os/storage/VolumeRecord.java
@@ -105,7 +105,7 @@ public class VolumeRecord implements Parcelable {
         final boolean primary = false;
         final boolean removable = true;
         final boolean emulated = false;
-        final boolean stub = false;
+        final boolean externallyManaged = false;
         final boolean allowMassStorage = false;
         final long maxFileSize = 0;
         final UserHandle user = new UserHandle(UserHandle.USER_NULL);
@@ -117,8 +117,8 @@ public class VolumeRecord implements Parcelable {
         }
 
         return new StorageVolume(id, userPath, internalPath, description, primary, removable,
-                emulated, stub, allowMassStorage, maxFileSize, user, null /* uuid */, fsUuid,
-                envState);
+                emulated, externallyManaged, allowMassStorage, maxFileSize, user, null /* uuid */,
+                fsUuid, envState);
     }
 
     public void dump(IndentingPrintWriter pw) {
diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index c7f4b4d036480..9ec1382cbc6ae 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -3844,7 +3844,7 @@ class StorageManagerService extends IStorageManager.Stub
             final boolean primary = false;
             final boolean removable = false;
             final boolean emulated = true;
-            final boolean stub = false;
+            final boolean externallyManaged = false;
             final boolean allowMassStorage = false;
             final long maxFileSize = 0;
             final UserHandle user = new UserHandle(userId);
@@ -3852,7 +3852,8 @@ class StorageManagerService extends IStorageManager.Stub
             final String description = mContext.getString(android.R.string.unknownName);
 
             res.add(new StorageVolume(id, path, path, description, primary, removable, emulated,
-                    stub, allowMassStorage, maxFileSize, user, null /*uuid */, id, envState));
+                    externallyManaged, allowMassStorage, maxFileSize, user, null /*uuid */, id,
+                    envState));
         }
 
         if (!foundPrimary) {
@@ -3867,7 +3868,7 @@ class StorageManagerService extends IStorageManager.Stub
             final boolean primary = true;
             final boolean removable = primaryPhysical;
             final boolean emulated = !primaryPhysical;
-            final boolean stub = false;
+            final boolean externallyManaged = false;
             final boolean allowMassStorage = false;
             final long maxFileSize = 0L;
             final UserHandle owner = new UserHandle(userId);
@@ -3876,7 +3877,7 @@ class StorageManagerService extends IStorageManager.Stub
             final String state = Environment.MEDIA_REMOVED;
 
             res.add(0, new StorageVolume(id, path, path,
-                    description, primary, removable, emulated, stub,
+                    description, primary, removable, emulated, externallyManaged,
                     allowMassStorage, maxFileSize, owner, uuid, fsUuid, state));
         }