mpremote/mount: Add ioctl to specify large read buffer size.

Speeds up importing files from mounted filesystem. Signed-off-by: Andrew Leech <[email protected]>
andrewleech · Nov 2, 2023 · cffb05f · cffb05f
1 parent 1682181
commit cffb05f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tools/mpremote/mpremote/transport_serial.py b/tools/mpremote/mpremote/transport_serial.py
@@ -753,6 +753,8 @@ def ioctl(self, request, arg):
             machine.mem32[arg] = self.seek(machine.mem32[arg], machine.mem32[arg + 4])
         elif request == 4:  # CLOSE
             self.close()
+        elif request == 11:  # BUFSIZE
+            return 255
         return 0
 
     def flush(self):