On 5/26/20 1:44 AM, Pavel Begunkov wrote:
> On 25/05/2020 22:59, Jens Axboe wrote:
>> On 5/25/20 1:29 AM, Pavel Begunkov wrote:
>>> On 23/05/2020 21:57, Jens Axboe wrote:
If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
the buffered read to an io-wq worker.
On 5/26/20 1:38 AM, Pavel Begunkov wrote:
> On 23/05/2020 21:57, Jens Axboe wrote:
>> If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
>> the buffered read to an io-wq worker. Instead we can rely on page
>> unlocking callbacks to support retry based async IO. This is a lot
On 25/05/2020 22:59, Jens Axboe wrote:
> On 5/25/20 1:29 AM, Pavel Begunkov wrote:
>> On 23/05/2020 21:57, Jens Axboe wrote:
>>> If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
>>> the buffered read to an io-wq worker. Instead we can rely on page
>>> unlocking callbacks to
On 23/05/2020 21:57, Jens Axboe wrote:
> If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
> the buffered read to an io-wq worker. Instead we can rely on page
> unlocking callbacks to support retry based async IO. This is a lot more
> efficient than doing async thread
On 5/25/20 1:29 AM, Pavel Begunkov wrote:
> On 23/05/2020 21:57, Jens Axboe wrote:
>> If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
>> the buffered read to an io-wq worker. Instead we can rely on page
>> unlocking callbacks to support retry based async IO. This is a lot
On 23/05/2020 21:57, Jens Axboe wrote:
> If the file is flagged with FMODE_BUF_RASYNC, then we don't have to punt
> the buffered read to an io-wq worker. Instead we can rely on page
> unlocking callbacks to support retry based async IO. This is a lot more
> efficient than doing async thread
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