Merge pull request #1649 from dhalbert/reload-flush-filesystem

flush filesystem before resetting heap

Author: dhalbert

main.c

@@ -213,10 +213,11 @@ bool run_code_py(safe_mode_t safe_mode) {
                 serial_write_compressed(translate("WARNING: Your code filename has two extensions\n"));
             }
         }
-        // Turn off the display before the heap disappears.
+        // Turn off the display and flush the fileystem before the heap disappears.
         #if CIRCUITPY_DISPLAYIO
         reset_displays();
         #endif
+        filesystem_flush();
         stop_mp();
         free_memory(heap);
         supervisor_move_memory();
@@ -375,6 +376,7 @@ int run_repl(void) {
     } else {
         exit_code = pyexec_friendly_repl();
     }
+    filesystem_flush();
     reset_port();
     reset_board();
     stop_mp();

shared-module/displayio/__init__.c

@@ -29,10 +29,8 @@ void displayio_refresh_displays(void) {
     if (mp_hal_is_interrupted()) {
         return;
     }
-    // Somehow reloads from the sdcard are being lost. So, cheat and reraise.
-    // But don't re-raise if already pending.
-    if (reload_requested && MP_STATE_VM(mp_pending_exception) == MP_OBJ_NULL) {
-        mp_raise_reload_exception();
+    if (reload_requested) {
+        // Reload is about to happen, so don't redisplay.
         return;
     }