commit f2776a7da61d1849480bd643d80a61a3107df622
author Mark Salyzyn <salyzyn@google.com> Tue Apr 02 15:18:38 2019 -0700
committer android-build-merger <android-build-merger@google.com> Tue Apr 02 15:18:38 2019 -0700
tree 61c8a644bd2ace794e2c3a776d54064e98ed5881
parent f53b6efd55efcb23a78571c6d51a46428e3a5733
parent bdb9942653fd86d32e28faca8a3c517b14af06af

Merge "fs_mgr: remount: system is root"
am: 2b8e96bd64

Change-Id: I09e8809aaae61706a1b92139fa8127c1a3d67ff9

fs_mgr/fs_mgr_remount.cpp

diff --git a/fs_mgr/fs_mgr_remount.cpp b/fs_mgr/fs_mgr_remount.cpp
index 24044d8..093d44d 100644
--- a/fs_mgr/fs_mgr_remount.cpp
+++ b/fs_mgr/fs_mgr_remount.cpp
@@ -340,6 +340,7 @@
                 blk_device = rentry.blk_device;
                 break;
             }
+            // Find overlayfs mount point?
             if ((mount_point == "/") && (rentry.mount_point == "/system")) {
                 blk_device = rentry.blk_device;
                 mount_point = "/system";
@@ -352,6 +353,12 @@
         }
         fs_mgr_set_blk_ro(blk_device, false);
 
+        // Find system-as-root mount point?
+        if ((mount_point == "/system") && !GetEntryForMountPoint(&mounts, mount_point) &&
+            GetEntryForMountPoint(&mounts, "/")) {
+            mount_point = "/";
+        }
+
         // Now remount!
         if (::mount(blk_device.c_str(), mount_point.c_str(), entry.fs_type.c_str(), MS_REMOUNT,
                     nullptr) == 0) {