From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: [liburing PATCH] io_uring: invalid fd for file-less operations
Date: Thu, 14 Nov 2019 00:31:00 +0300 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <b74f30f890ef054cff370f3f8fae68fd264e1c5e.1573680315.git.asml.silence@gmail.com>
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On 14/11/2019 00:27, Pavel Begunkov wrote:
> If an operation doesn't need a file, set fd to an invalid value.
> This would help to spot an unwanted fdget() in the kernel, and is
> conceptually more correct (though negotiable)
>
Either we can add a test with close(0) beforehand, but it
won't much help with new opcodes in the future.
--
Pavel Begunkov
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next prev parent reply other threads:[~2019-11-13 21:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 21:27 [liburing PATCH] io_uring: invalid fd for file-less operations Pavel Begunkov
2019-11-13 21:31 ` Pavel Begunkov [this message]
2019-11-13 21:39 ` Jens Axboe
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