fio: Support verify_write_sequence

Add an option to disable verifying the write sequence number. By default,
it is enabled. However disable for verify_only mode.

Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240916165347.2226763-9-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
6 files changed