From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
Cc: Caleb Sander Mateos <csander@purestorage.com>,
Uday Shankar <ushankar@purestorage.com>,
Ming Lei <ming.lei@redhat.com>
Subject: [PATCH V2 07/13] selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN
Date: Sat, 12 Apr 2025 10:30:23 +0800 [thread overview]
Message-ID: <20250412023035.2649275-8-ming.lei@redhat.com> (raw)
In-Reply-To: <20250412023035.2649275-1-ming.lei@redhat.com>
It is observed that this way is more efficient for fast nvme backing
file.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
tools/testing/selftests/ublk/kublk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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);
--
2.47.0
next prev parent reply other threads:[~2025-04-12 2:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-12 2:30 [PATCH V2 00/13] selftests: ublk: test cleanup & add more tests Ming Lei
2025-04-12 2:30 ` [PATCH V2 01/13] selftests: ublk: fix ublk_find_tgt() Ming Lei
2025-04-12 2:30 ` [PATCH V2 02/13] selftests: ublk: add io_uring uapi header Ming Lei
2025-04-12 2:30 ` [PATCH V2 03/13] selftests: ublk: cleanup backfile automatically Ming Lei
2025-04-12 2:30 ` [PATCH V2 04/13] selftests: ublk: make sure _add_ublk_dev can return in sub-shell Ming Lei
2025-04-12 2:30 ` [PATCH V2 05/13] selftests: ublk: run stress tests in parallel Ming Lei
2025-04-12 2:30 ` [PATCH V2 06/13] selftests: ublk: add two stress tests for zero copy feature Ming Lei
2025-04-12 2:30 ` Ming Lei [this message]
2025-04-12 2:30 ` [PATCH V2 08/13] selftests: ublk: set queue pthread's cpu affinity Ming Lei
2025-04-12 2:30 ` [PATCH V2 09/13] selftests: ublk: increase max nr_queues and queue depth Ming Lei
2025-04-12 2:30 ` [PATCH V2 10/13] selftests: ublk: support target specific command line Ming Lei
2025-04-12 2:30 ` [PATCH V2 11/13] selftests: ublk: support user recovery Ming Lei
2025-04-12 2:30 ` [PATCH V2 12/13] selftests: ublk: add test_stress_05.sh Ming Lei
2025-04-12 2:30 ` [PATCH V2 13/13] selftests: ublk: move creating UBLK_TMP into _prep_test() Ming Lei
2025-04-16 23:43 ` [PATCH V2 00/13] selftests: ublk: test cleanup & add more tests Ming Lei
2025-04-17 1:32 ` Jens Axboe
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