Re: [PATCH 06/16] io_uring: support for IO polling

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On 1/9/19 5:11 AM, Christoph Hellwig wrote:
> On Tue, Jan 08, 2019 at 09:56:35AM -0700, Jens Axboe wrote:
>> Add polled variants of the read and write commands. These act like their
>> non-polled counterparts, except we expect to poll for completion of
>> them.
> 
> These aren't really need command variants, but a different type of context.

That is phrased poorly, I'll fix that.

>>  	case IORING_OP_FSYNC:
>> +		if (ctx->flags & IORING_SETUP_IOPOLL)
>> +			break;
>>  		ret = io_fsync(&req->fsync, iocb, false);
>>  		break;
>>  	case IORING_OP_FDSYNC:
>> +		if (ctx->flags & IORING_SETUP_IOPOLL)
>> +			break;
>>  		ret = io_fsync(&req->fsync, iocb, true);
> 
> I'd move this check into io_fsync to avoid a little duplication.

Done

-- 
Jens Axboe




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