From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>, io-uring@vger.kernel.org
Cc: "Franz-B . Tuneke" <franz-bernhard.tuneke@tu-dortmund.de>
Subject: Re: [PATCH v2 5.15] io_uring: auto-removal for direct open/accept
Date: Tue, 14 Sep 2021 09:14:17 -0600 [thread overview]
Message-ID: <de129f22-1a44-8ddf-ec42-fa6fba85d7fe@kernel.dk> (raw)
In-Reply-To: <c896f14ea46b0eaa6c09d93149e665c2c37979b4.1631632300.git.asml.silence@gmail.com>
On 9/14/21 9:12 AM, Pavel Begunkov wrote:
> It might be inconvenient that direct open/accept deviates from the
> update semantics and fails if the slot is taken instead of removing a
> file sitting there. Implement this auto-removal.
>
> Note that removal might need to allocate and so may fail. However, if an
> empty slot is specified, it's guaraneed to not fail on the fd
> installation side for valid userspace programs. It's needed for users
> who can't tolerate such failures, e.g. accept where the other end
> never retries.
Can you submit a liburing test case for this too?
--
Jens Axboe
next prev parent reply other threads:[~2021-09-14 15:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 15:12 [PATCH v2 5.15] io_uring: auto-removal for direct open/accept Pavel Begunkov
2021-09-14 15:14 ` Jens Axboe [this message]
2021-09-14 15:21 ` Pavel Begunkov
2021-09-14 15:36 ` Jens Axboe
2021-09-14 15:48 ` Pavel Begunkov
2021-09-14 15:50 ` Jens Axboe
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