== sanity test 184c: Concurrent write and layout swap ==== 00:39:26 (1775882366) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 1.34366 s, 16.4 MB/s 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 2.95771 s, 16.0 MB/s ref file size: ref1(22020096), ref2(47185920) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 2.254 s, 9.8 MB/s Copied 1425408 bytes before swapping layout...