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io_uring/eventfd: check for the need to async notifier earlier

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It's not necessary to do this post grabbing a reference. With that, we
can drop the out goto path as well.

Link: https://lore.kernel.org/r/20240921080307.185186-3-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2024-09-21 01:59:48 -06:00
parent 165126dc5e
commit 3c90b80df5
1 changed files with 2 additions and 3 deletions
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5
io_uring/eventfd.c
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@ -69,10 +69,10 @@ void io_eventfd_signal(struct io_ring_ctx *ctx)
*/
if (unlikely(!ev_fd))
return;
if (ev_fd->eventfd_async && !io_wq_current_is_worker())
return;
if (!refcount_inc_not_zero(&ev_fd->refs))
return;
if (ev_fd->eventfd_async && !io_wq_current_is_worker())
goto out;
if (likely(eventfd_signal_allowed())) {
eventfd_signal_mask(ev_fd->cq_ev_fd, EPOLL_URING_WAKE);
@ -82,7 +82,6 @@ void io_eventfd_signal(struct io_ring_ctx *ctx)
return;
}
}
out:
io_eventfd_put(ev_fd);
}