diff options
| author |   Ming Lei <ming.lei@redhat.com> | 2025-04-12 10:30:23 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2025-04-16 19:32:18 -0600 |
| commit | 62867a046a223e6eb771e23d2048e839c1d949d7 (patch) | |
| tree | f3432d59668f4312a59a5cb040c848ac384f543a | |
| parent | selftests: ublk: add two stress tests for zero copy feature (diff) | |
| download | linux-rng-62867a046a223e6eb771e23d2048e839c1d949d7.tar.xz linux-rng-62867a046a223e6eb771e23d2048e839c1d949d7.zip | |
selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN
It is observed that this way is more efficient for fast nvme backing
file.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-8-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | tools/testing/selftests/ublk/kublk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests/ublk/kublk.c index 381e31acaad9..c2acd874f9af 100644 --- a/tools/testing/selftests/ublk/kublk.c +++ b/tools/testing/selftests/ublk/kublk.c @@ -346,7 +346,9 @@ static int ublk_queue_init(struct ublk_queue *q) } ret = ublk_setup_ring(&q->ring, ring_depth, cq_depth, - IORING_SETUP_COOP_TASKRUN); + IORING_SETUP_COOP_TASKRUN | + IORING_SETUP_SINGLE_ISSUER | + IORING_SETUP_DEFER_TASKRUN); if (ret < 0) { ublk_err("ublk dev %d queue %d setup io_uring failed %d\n", q->dev->dev_info.dev_id, q->q_id, ret); |