From: Jens Axboe <axboe@kernel.dk>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: io-uring@vger.kernel.org
Subject: Re: io_uring_prep_openat_direct() and link/drain
Date: Wed, 30 Mar 2022 06:35:08 -0600 [thread overview]
Message-ID: <52dca413-61b3-8ded-c4cc-dd6c8e8de1ed@kernel.dk> (raw)
In-Reply-To: <CAJfpegtob8ZWU1TDBoUf7SRMQJhEcEo2sPUumzpNd3Mcg+1aog@mail.gmail.com>
On 3/30/22 2:18 AM, Miklos Szeredi wrote:
> On Tue, 29 Mar 2022 at 22:03, Jens Axboe <axboe@kernel.dk> wrote:
>
>> Can you try and repull the branch? I rebased the top two, so reset to
>> v5.17 first and then pull it.
>
> This one works in all cases, except if there's a link flag on the
> read. In that case the read itself will succeed but following
> requests on the link chain will fail with -ECANCELED.
That sounds like you're asking for more data than what is being read,
in which case the link should correctly break and cancel the rest.
That's expected behavior, a short read is not a successful read in that
regard.
--
Jens Axboe
next prev parent reply other threads:[~2022-03-30 12:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-29 13:20 io_uring_prep_openat_direct() and link/drain Miklos Szeredi
2022-03-29 16:08 ` Jens Axboe
2022-03-29 17:04 ` Jens Axboe
2022-03-29 18:21 ` Miklos Szeredi
2022-03-29 18:26 ` Jens Axboe
2022-03-29 18:31 ` Miklos Szeredi
2022-03-29 18:40 ` Jens Axboe
2022-03-29 19:30 ` Miklos Szeredi
2022-03-29 20:03 ` Jens Axboe
2022-03-30 8:18 ` Miklos Szeredi
2022-03-30 12:35 ` Jens Axboe [this message]
2022-03-30 12:43 ` Miklos Szeredi
2022-03-30 12:48 ` Jens Axboe
2022-03-30 12:51 ` Miklos Szeredi
2022-03-30 14:58 ` Miklos Szeredi
2022-03-30 15:05 ` Jens Axboe
2022-03-30 15:12 ` Miklos Szeredi
2022-03-30 15:17 ` Jens Axboe
2022-03-30 15:53 ` Jens Axboe
2022-03-30 17:49 ` Jens Axboe
2022-04-01 8:40 ` Miklos Szeredi
2022-04-01 15:36 ` Jens Axboe
2022-04-01 16:02 ` Miklos Szeredi
2022-04-01 16:21 ` Jens Axboe
2022-04-02 1:17 ` Jens Axboe
2022-04-05 7:45 ` Miklos Szeredi
2022-04-05 14:44 ` Jens Axboe
2022-04-21 12:31 ` Miklos Szeredi
2022-04-21 12:34 ` Jens Axboe
2022-04-21 12:39 ` Miklos Szeredi
2022-04-21 12:41 ` Jens Axboe
2022-04-21 13:10 ` Miklos Szeredi
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