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From: Jens Axboe <axboe@kernel.dk>
To: David Miller <davem@davemloft.net>
Cc: io-uring@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 10/11] net: make socket read/write_iter() honor IOCB_NOWAIT
Date: Tue, 10 Dec 2019 13:43:24 -0700	[thread overview]
Message-ID: <5a1abbbe-2230-d3d8-839b-a1c7acb46bdb@kernel.dk> (raw)
In-Reply-To: <20191210.113700.2038253518329326443.davem@davemloft.net>

On 12/10/19 12:37 PM, David Miller wrote:
> From: Jens Axboe <axboe@kernel.dk>
> Date: Tue, 10 Dec 2019 08:57:41 -0700
> 
>> The socket read/write helpers only look at the file O_NONBLOCK. not
>> the iocb IOCB_NOWAIT flag. This breaks users like preadv2/pwritev2
>> and io_uring that rely on not having the file itself marked nonblocking,
>> but rather the iocb itself.
>>
>> Cc: David Miller <davem@davemloft.net>
>> Cc: netdev@vger.kernel.org
>> Signed-off-by: Jens Axboe <axboe@kernel.dk>
> 
> I guess this should be OK:
> 
> Acked-by: David S. Miller <davem@davemloft.net>

Thanks for reviewing!

-- 
Jens Axboe


  reply	other threads:[~2019-12-10 20:43 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 15:57 [PATCHSET 0/11] io_uring improvements/fixes for 5.5-rc Jens Axboe
2019-12-10 15:57 ` [PATCH 01/11] io_uring: allow unbreakable links Jens Axboe
2019-12-10 21:10   ` Pavel Begunkov
2019-12-10 21:12     ` Jens Axboe
2019-12-10 21:28       ` Pavel Begunkov
2019-12-10 22:17         ` Jens Axboe
2019-12-10 15:57 ` [PATCH 02/11] io-wq: remove worker->wait waitqueue Jens Axboe
2019-12-10 15:57 ` [PATCH 03/11] io-wq: briefly spin for new work after finishing work Jens Axboe
2019-12-10 15:57 ` [PATCH 04/11] io_uring: sqthread should grab ctx->uring_lock for submissions Jens Axboe
2019-12-10 15:57 ` [PATCH 05/11] io_uring: deferred send/recvmsg should assign iov Jens Axboe
2019-12-10 15:57 ` [PATCH 06/11] io_uring: don't dynamically allocate poll data Jens Axboe
2019-12-10 15:57 ` [PATCH 07/11] io_uring: use atomic_t for refcounts Jens Axboe
2019-12-10 22:04   ` Jann Horn
2019-12-10 22:21     ` Jens Axboe
2019-12-10 22:46       ` Kees Cook
2019-12-10 22:55         ` Jens Axboe
2019-12-11 10:20           ` Will Deacon
2019-12-11 16:56             ` Kees Cook
2019-12-11 17:00               ` Jens Axboe
2019-12-10 15:57 ` [PATCH 08/11] io_uring: run next sqe inline if possible Jens Axboe
2019-12-10 15:57 ` [PATCH 09/11] io_uring: only hash regular files for async work execution Jens Axboe
2019-12-10 15:57 ` [PATCH 10/11] net: make socket read/write_iter() honor IOCB_NOWAIT Jens Axboe
2019-12-10 19:37   ` David Miller
2019-12-10 20:43     ` Jens Axboe [this message]
2019-12-10 15:57 ` [PATCH 11/11] io_uring: add sockets to list of files that support non-blocking issue Jens Axboe

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