commit 307a41fe9f4eb140d839ed91a771838ab0b6b4de
author Mark Salyzyn <salyzyn@google.com> Mon Nov 26 09:57:17 2018 -0800
committer Mark Salyzyn <salyzyn@google.com> Mon Dec 03 07:33:38 2018 -0800
tree 3c915c00883ec11ae6a5c84e002fa862d5d8e0c5
parent 9040aa56657b69b7c26dabe1fb7996633d0d5f8d

fastboot: call fs_mgr_overlayfs_teardown() in UpdateSuper

When the update-super command is issued, we want overlayfs overrides
to disappear without a doubt, which includes non-A/B utilizing
/cache/overlay/ tree.  Call fs_mgr_overlayfs_teardown() on successful
return.

Test: adb-remount-test.sh
Bug: 120034852
Change-Id: Ia5cdb797f7e8350b5591a51fc8ae5f323901aee4

fastboot/device/flashing.cpp

diff --git a/fastboot/device/flashing.cpp b/fastboot/device/flashing.cpp
index 7b99884..fbba631 100644
--- a/fastboot/device/flashing.cpp
+++ b/fastboot/device/flashing.cpp
@@ -153,6 +153,7 @@
         if (!FlashPartitionTable(super_name, *new_metadata.get())) {
             return device->WriteFail("Unable to flash new partition table");
         }
+        fs_mgr_overlayfs_teardown();
         return device->WriteOkay("Successfully flashed partition table");
     }
 
@@ -186,5 +187,6 @@
     if (!UpdateAllPartitionMetadata(super_name, *new_metadata.get())) {
         return device->WriteFail("Unable to write new partition table");
     }
+    fs_mgr_overlayfs_teardown();
     return device->WriteOkay("Successfully updated partition table");
 }