To fill in one piece of information, I'm reading the maximum block size can be limited by the Linux page size, 4K on x86. Is this true in ext4? I know this is a basic question, so thanks for humoring me. Tom King -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html