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From: Pavel Begunkov <[email protected]>
To: Dmitry Kadashev <[email protected]>, [email protected]
Subject: Re: Use of disowned struct filename after 3c5499fa56f5?
Date: Thu, 5 Nov 2020 14:26:49 +0000	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 05/11/2020 14:22, Pavel Begunkov wrote:
> On 05/11/2020 12:36, Dmitry Kadashev wrote:
>> Hi Jens,
>>
>> I am trying to implement mkdirat support in io_uring and was using
>> commit 3c5499fa56f5 ("fs: make do_renameat2() take struct filename") as
>> an example (kernel newbie here). But either I do not understand how it
>> works, or on retry struct filename is used that is not owned anymore
>> (and is probably freed).

BTW, I'll double check later today internals and the patch you've mentioned.

-- 
Pavel Begunkov

  reply	other threads:[~2020-11-05 14:29 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05 12:36 Use of disowned struct filename after 3c5499fa56f5? Dmitry Kadashev
2020-11-05 14:22 ` Pavel Begunkov
2020-11-05 14:26   ` Pavel Begunkov [this message]
2020-11-05 14:55   ` Pavel Begunkov
2020-11-05 19:37     ` Jens Axboe
2020-11-05 20:04       ` Pavel Begunkov
2020-11-05 20:18         ` Pavel Begunkov
2020-11-05 20:26         ` Jens Axboe
2020-11-05 20:35           ` Pavel Begunkov
2020-11-05 20:49             ` Jens Axboe
2020-11-05 20:57               ` Pavel Begunkov
2020-11-05 21:12                 ` Jens Axboe
2020-11-06 10:08                 ` Dmitry Kadashev
2020-11-06 12:49                   ` Pavel Begunkov
2020-11-06 13:15                     ` Dmitry Kadashev
2020-11-06 13:27                       ` Pavel Begunkov
2020-11-06 13:35                         ` Dmitry Kadashev

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