diff --git a/TEST_MAPPING b/TEST_MAPPING
index 4f62642..49b2d60 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,9 +1,15 @@
 {
   "presubmit": [
     {
+      "name": "CtsScopedStorageCoreHostTest"
+    },
+    {
       "name": "CtsScopedStorageHostTest"
     },
     {
+      "name": "CtsScopedStorageDeviceOnlyTest"
+    },
+    {
       "name": "AdoptableHostTest"
     }
   ]
diff --git a/VoldNativeService.cpp b/VoldNativeService.cpp
index 5ea72bb..66c7d46 100644
--- a/VoldNativeService.cpp
+++ b/VoldNativeService.cpp
@@ -54,6 +54,7 @@
 namespace {
 
 constexpr const char* kDump = "android.permission.DUMP";
+constexpr auto kIncFsReadNoTimeoutMs = 100;
 
 static binder::Status error(const std::string& msg) {
     PLOG(ERROR) << msg;
@@ -963,6 +964,7 @@
 
     auto control = incfs::mount(backingPath, targetDir,
                                 {.flags = IncFsMountFlags(flags),
+                                 // Mount with read timeouts.
                                  .defaultReadTimeoutMs = INCFS_DEFAULT_READ_TIMEOUT_MS,
                                  // Mount with read logs disabled.
                                  .readLogBufferPages = 0});
@@ -974,6 +976,9 @@
     _aidl_return->cmd.reset(unique_fd(fds[CMD].release()));
     _aidl_return->pendingReads.reset(unique_fd(fds[PENDING_READS].release()));
     _aidl_return->log.reset(unique_fd(fds[LOGS].release()));
+    if (fds[BLOCKS_WRITTEN].ok()) {
+        _aidl_return->blocksWritten.emplace(unique_fd(fds[BLOCKS_WRITTEN].release()));
+    }
     return Ok();
 }
 
@@ -986,11 +991,12 @@
 
 binder::Status VoldNativeService::setIncFsMountOptions(
         const ::android::os::incremental::IncrementalFileSystemControlParcel& control,
-        bool enableReadLogs) {
+        bool enableReadLogs, bool enableReadTimeouts) {
     ENFORCE_SYSTEM_OR_ROOT;
 
     auto incfsControl =
-            incfs::createControl(control.cmd.get(), control.pendingReads.get(), control.log.get());
+            incfs::createControl(control.cmd.get(), control.pendingReads.get(), control.log.get(),
+                                 control.blocksWritten ? control.blocksWritten->get() : -1);
     auto cleanupFunc = [](auto incfsControl) {
         for (auto& fd : incfsControl->releaseFds()) {
             (void)fd.release();
@@ -1000,7 +1006,8 @@
             std::unique_ptr<incfs::Control, decltype(cleanupFunc)>(&incfsControl, cleanupFunc);
     if (auto error = incfs::setOptions(
                 incfsControl,
-                {.defaultReadTimeoutMs = INCFS_DEFAULT_READ_TIMEOUT_MS,
+                {.defaultReadTimeoutMs =
+                         enableReadTimeouts ? INCFS_DEFAULT_READ_TIMEOUT_MS : kIncFsReadNoTimeoutMs,
                  .readLogBufferPages = enableReadLogs ? INCFS_DEFAULT_PAGE_READ_BUFFER_PAGES : 0});
         error < 0) {
         return binder::Status::fromServiceSpecificError(error);
diff --git a/VoldNativeService.h b/VoldNativeService.h
index 33d0f3a..c06e4b6 100644
--- a/VoldNativeService.h
+++ b/VoldNativeService.h
@@ -166,7 +166,7 @@
     binder::Status unmountIncFs(const std::string& dir) override;
     binder::Status setIncFsMountOptions(
             const ::android::os::incremental::IncrementalFileSystemControlParcel& control,
-            bool enableReadLogs) override;
+            bool enableReadLogs, bool enableReadTimeouts) override;
     binder::Status bindMount(const std::string& sourceDir, const std::string& targetDir) override;
 
     binder::Status destroyDsuMetadataKey(const std::string& dsuSlot) override;
diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index 62685e5..6a69804 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -142,7 +142,7 @@
     boolean incFsEnabled();
     IncrementalFileSystemControlParcel mountIncFs(@utf8InCpp String backingPath, @utf8InCpp String targetDir, int flags);
     void unmountIncFs(@utf8InCpp String dir);
-    void setIncFsMountOptions(in IncrementalFileSystemControlParcel control, boolean enableReadLogs);
+    void setIncFsMountOptions(in IncrementalFileSystemControlParcel control, boolean enableReadLogs, boolean enableReadTimeouts);
     void bindMount(@utf8InCpp String sourceDir, @utf8InCpp String targetDir);
 
     void destroyDsuMetadataKey(@utf8InCpp String dsuSlot);