> If the filesystem is clever enough to know that the range in question has > not been written to since the last discard, then it takes no action, and > reports zero bytes. File system images can be rewritten on a new media so there is a drawback to that. Best Regards -Emil -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
