github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 22:22:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN

Browse Source 
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>
This commit is contained in:
Ming Lei 2025-04-12 10:30:23 +08:00 committed by Jens Axboe
parent d836590d9a
commit 62867a046a
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/testing/selftests/ublk/kublk.c
View File

@ -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);