nvme: add --block-size option to IO interface to bypass identify command
#3292
| Job | Run time |
|---|---|
| 48s | |
| 44s | |
| 43s | |
| 44s | |
| 1m 0s | |
| 47s | |
| 48s | |
| 31s | |
| 53s | |
| 52s | |
| -1s | |
| 7m 49s |