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io_uring: don't wake sqpoll in io_cqring_ev_posted

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io_cqring_ev_posted() doesn't need to wake SQPOLL, it's either done by
userspace or with task_work, but no action is required on request
completion. Rip off bits waking it up in io_cqring_ev_posted().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b49dab27b64cf11f4c50f2f90dcaac123430e05d.1633373302.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-10-04 20:02:51 +01:00 committed by Jens Axboe
parent 765ff496c7
commit aede728aae
1 changed files with 0 additions and 2 deletions
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2
fs/io_uring.c
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@ -1619,8 +1619,6 @@ static void io_cqring_ev_posted(struct io_ring_ctx *ctx)
*/
if (wq_has_sleeper(&ctx->cq_wait))
wake_up_all(&ctx->cq_wait);
if (ctx->sq_data && waitqueue_active(&ctx->sq_data->wait))
wake_up(&ctx->sq_data->wait);
if (io_should_trigger_evfd(ctx))
eventfd_signal(ctx->cq_ev_fd, 1);
if (waitqueue_active(&ctx->poll_wait))