The liburing library added a new field to the io_uring struct in commit b02125e164ea ("Add preliminary support for using a registered ring fd"), first seen in liburing v2.2. Signed-off-by: Paul Moore <paul(a)paul-moore.com&gt; --- tests/io_uring/iouring.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/io_uring/iouring.c b/tests/io_uring/iouring.c index 5d83146..af814f6 100644 --- a/tests/io_uring/iouring.c +++ b/tests/io_uring/iouring.c @@ -233,6 +233,7 @@ int uring_import(int fd, struct io_uring *ring, struct io_uring_params *params) ring->flags = params->flags; ring->features = params->features; ring->ring_fd = fd; + ring->enter_ring_fd = fd; ring->sq.ring_sz = params->sq_off.array + params->sq_entries * sizeof(unsigned);