== sanity test 34h: ftruncate file under grouplock should not block ========================================================== 00:15:17 (1789791317) 10+0 records in 10+0 records out 10485760 bytes (10 MB, 10 MiB) copied, 1.3687 s, 7.7 MB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0363065 s, 113 kB/s