The following changes since commit d16e84e256ffdcd3143c9439cf1e408d8db61c1a: Merge branch 'per-engine-pre-write-function' of https://github.com/lukaszstolarczuk/fio (2021-02-14 13:21:05 -0700) are available in the Git repository at: git://git.kernel.dk/fio.git master for you to fetch changes up to c4f5c92fac8a39ffff29d57e99c3c0163358dd7a: engines/io_uring: add verbose error for ENOSYS (2021-02-16 12:07:14 -0700) ---------------------------------------------------------------- Jens Axboe (1): engines/io_uring: add verbose error for ENOSYS engines/io_uring.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- Diff of recent changes: diff --git a/engines/io_uring.c b/engines/io_uring.c index 9ce2ae80..c9036ba0 100644 --- a/engines/io_uring.c +++ b/engines/io_uring.c @@ -696,7 +696,11 @@ static int fio_ioring_post_init(struct thread_data *td) err = fio_ioring_queue_init(td); if (err) { - td_verror(td, errno, "io_queue_init"); + int __errno = errno; + + if (__errno == ENOSYS) + log_err("fio: your kernel doesn't support io_uring\n"); + td_verror(td, __errno, "io_queue_init"); return 1; }