[1/7] checking root items
[2/7] checking extents
[3/7] checking free space cache
[4/7] checking fs roots
[5/7] checking only csums items (without verifying data)
[6/7] checking root refs
[7/7] checking quota groups skipped (not enabled on this FS)
found 412748537856 bytes used, no error found
total csum bytes: 271482108
total tree bytes: 17750851584
total fs tree bytes: 16276488192
total extent tree bytes: 843677696
btree space waste bytes: 2319233277
file data blocks allocated: 1560748711936
 referenced 351057149952