esp32_inisetup_readsize_progsize.patch

diff --git a/ports/esp32/modules/inisetup.py b/ports/esp32/modules/inisetup.py
index 4e9b462f..70d59cea 100644
--- a/ports/esp32/modules/inisetup.py
+++ b/ports/esp32/modules/inisetup.py
@@ -38,8 +38,12 @@ def setup():
     check_bootsec()
     print("Performing initial setup")
     if bdev.info()[4] == "vfs":
-        vfs.VfsLfs2.mkfs(bdev)
-        fs = vfs.VfsLfs2(bdev)
+        # Use progsize=256 to match the ESP32 SPI flash hardware page
+        # program size (256 bytes), avoiding read-modify-write cycles
+        # at the flashbdev layer during writes.
+        # Use readsize=256 to align flash reads for better efficiency.
+        vfs.VfsLfs2.mkfs(bdev, readsize=256, progsize=256)
+        fs = vfs.VfsLfs2(bdev, readsize=256, progsize=256)
     elif bdev.info()[4] == "ffat":
         vfs.VfsFat.mkfs(bdev)
         fs = vfs.VfsFat(bdev)