From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH] io_uring: Fix LINK_TIMEOUT checks
Date: Thu, 14 Nov 2019 14:25:44 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <9a5eef46f7ed9f52f8de67d314651cd4a4234572.1573766402.git.asml.silence@gmail.com>
On 11/14/19 2:20 PM, Pavel Begunkov wrote:
> If IORING_OP_LINK_TIMEOUT request is a head of a link or an individual
> request, pass it further through the submission path, where it will
> eventually fail in __io_submit_sqe(). So respecting links and drains.
>
> The case, which is really need to be checked, is if a
> IORING_OP_LINK_TIMEOUT request is 3rd or later in a link, that is
> invalid from the user API perspective (judging by the code). Moreover,
> put/free and friends will try to io_link_cancel_timeout() such request,
> even though it wasn't initialised.
Care to add a test case for these to liburings test/link-timeout.c?
--
Jens Axboe
next prev parent reply other threads:[~2019-11-14 21:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 21:20 [PATCH] io_uring: Fix LINK_TIMEOUT checks Pavel Begunkov
2019-11-14 21:25 ` Jens Axboe [this message]
2019-11-14 21:31 ` Pavel Begunkov
2019-11-15 0:12 ` Jens Axboe
2019-11-15 2:36 ` Jens Axboe
2019-11-15 3:22 ` Jens Axboe
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