QA output created by 308 Format We need AG1 to have a single free extent Find our extent and old counter values Remove the extent from the freesp btrees Add the extent to the refcount btree Look for leftover warning in xfs_check leftover CoW extent (NR/NR) len NR Look for leftover warning in xfs_repair leftover CoW extent (NR/NR) len NR Mount filesystem Look for no more leftover warning in xfs_check Look for no more leftover warning in xfs_repair