== sanity test 184c: Concurrent write and layout swap ==== 00:21:55 (1778300515) 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 1.61669 s, 16.9 MB/s 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 2.54014 s, 18.2 MB/s ref file size: ref1(27262976), ref2(46137344) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 2.44799 s, 11.1 MB/s Copied 1245184 bytes before swapping layout...