IO-Uring Archive on lore.kernel.org
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From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>,
	Dmitrii Dolgov <9erthalion6@gmail.com>,
	io-uring@vger.kernel.org
Subject: Re: [RFC] Check if file_data is initialized
Date: Thu, 9 Jan 2020 08:34:28 -0700
Message-ID: <105a9991-2c04-d2d3-cc8c-8ffa6ae3529f@kernel.dk> (raw)
In-Reply-To: <73e00d5c-e36e-6614-9de1-19978efd7e61@gmail.com>

On 1/9/20 8:17 AM, Pavel Begunkov wrote:
>> diff --git a/fs/io_uring.c b/fs/io_uring.c
>> index 32aee149f652..b5dcf6c800ef 100644
>> --- a/fs/io_uring.c
>> +++ b/fs/io_uring.c
>> @@ -1218,6 +1218,8 @@ struct req_batch {
>>  
>>  static void io_free_req_many(struct io_ring_ctx *ctx, struct req_batch *rb)
>>  {
>> +	int fixed_refs = 0;
>> +
> 
> If all are fixed, then @rb->need_iter == false (see
> io_req_multi_free()), and @fixed_refs will be left 0. How about to set
> it to rb->to_free, and zero+count for rb->need_iter == true?

Good catch, I'll make that change.

-- 
Jens Axboe


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-09 13:17 Dmitrii Dolgov
2020-01-09 14:26 ` Pavel Begunkov
2020-01-09 14:51   ` Jens Axboe
2020-01-09 15:17     ` Pavel Begunkov
2020-01-09 15:23       ` Jens Axboe
2020-01-09 15:32         ` Pavel Begunkov
2020-01-09 15:34       ` Jens Axboe [this message]
2020-01-09 16:04     ` Dmitry Dolgov
2020-01-09 16:19       ` Jens Axboe
2020-01-09 14:45 ` Jens Axboe

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