From: Jens Axboe <[email protected]>
To: [email protected], Pavel Begunkov <[email protected]>
Cc: Jens Axboe <[email protected]>, Beld Zhang <[email protected]>
Subject: Re: [PATCH v2 1/1] io_uring: fix ltimeout unprep
Date: Wed, 20 Oct 2021 08:01:04 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <51b8e2bfc4bea8ee625cf2ba62b2a350cc9be031.1634719585.git.asml.silence@gmail.com>
On Wed, 20 Oct 2021 09:53:02 +0100, Pavel Begunkov wrote:
> io_unprep_linked_timeout() is broken, first it needs to return back
> REQ_F_ARM_LTIMEOUT, so the linked timeout is enqueued and disarmed. But
> now we refcounted it, and linked timeouts may get not executed at all,
> leaking a request.
>
> Just kill the unprep optimisation.
>
> [...]
Applied, thanks!
[1/1] io_uring: fix ltimeout unprep
commit: 195f98fe9a0ec47358f32ef297e9874b0238809d
Best regards,
--
Jens Axboe
next prev parent reply other threads:[~2021-10-20 14:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-20 8:53 [PATCH v2 1/1] io_uring: fix ltimeout unprep Pavel Begunkov
2021-10-20 14:01 ` Jens Axboe [this message]
2021-10-20 15:45 ` Pavel Begunkov
2021-10-20 15:54 ` Jens Axboe
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