9ebe817222
object: subdisks, plexes and volumes. The encoding for plexes and subdisks no longer reflects the object to which they belong. The super devices are high-order volume numbers. This gives vastly more potential volumes (4 million instead of 256). Tidy up comments. Check for null rqgs. This continue to be reported, though I can't work out why. Correct formats for some error messages. Don't cast the value to match the format. Use microtime, not getmicrotime, for timing debug entries.