From: Jens Axboe <[email protected]>
To: Jann Horn <[email protected]>
Cc: Clay Harris <[email protected]>, io-uring <[email protected]>
Subject: Re: IORING_OP_CLOSE fails on fd opened with O_PATH
Date: Tue, 2 Jun 2020 12:42:26 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAG48ez1CvEpjNTfOJWBRmR6SVkQjLVeSi2gFvuceR0ubF_HJCQ@mail.gmail.com>
On 6/2/20 12:22 PM, Jann Horn wrote:
> On Sun, May 31, 2020 at 10:19 PM Jens Axboe <[email protected]> wrote:
>> We just need this ported to stable once it goes into 5.8-rc:
>>
>> https://git.kernel.dk/cgit/linux-block/commit/?h=for-5.8/io_uring&id=904fbcb115c85090484dfdffaf7f461d96fe8e53
>
> How does that work? Who guarantees that the close operation can't drop
> the refcount of the uring instance to zero before reaching the fdput()
> in io_uring_enter?
Because io_uring_enter() holds a reference to it as well?
--
Jens Axboe
next prev parent reply other threads:[~2020-06-02 18:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 12:47 IORING_OP_CLOSE fails on fd opened with O_PATH Clay Harris
2020-05-31 14:46 ` Jens Axboe
2020-05-31 20:19 ` Jens Axboe
2020-06-02 18:22 ` Jann Horn
2020-06-02 18:42 ` Jens Axboe [this message]
2020-06-02 19:16 ` Jann Horn
2020-06-02 21:39 ` Jens Axboe
2020-06-08 11:21 ` Clay Harris
2020-06-08 20:19 ` Jens Axboe
2020-06-09 1:40 ` Clay Harris
2020-06-09 2:14 ` Jens Axboe
2020-06-09 5:16 ` Clay Harris
2020-06-10 1:52 ` Jens Axboe
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