Merge "Creat hardlink if active apexes are in the same partition" am: fea0bb7135

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2372652

Change-Id: I9477ba59572ff2fdc1d526b049d9966f8e2db808
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/core/java/com/android/server/rollback/RollbackStore.java b/services/core/java/com/android/server/rollback/RollbackStore.java
index f973f5c..8068c6f 100644
--- a/services/core/java/com/android/server/rollback/RollbackStore.java
+++ b/services/core/java/com/android/server/rollback/RollbackStore.java
@@ -249,7 +249,7 @@
         targetDir.mkdirs();
         File targetFile = new File(targetDir, sourceFile.getName());
 
-        boolean fallbackToCopy = !isLinkPossible(sourceFile, targetFile);
+        boolean fallbackToCopy = !isLinkPossible(sourceFile, targetDir);
         if (!fallbackToCopy) {
             try {
                 // Create a hard link to avoid copy