Re: [PATCH 37/45] drivers: use req op accessor

From: Shaun Tancheff
Date: Thu Aug 04 2016 - 12:32:51 EST


On Thu, Aug 4, 2016 at 10:46 AM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> On Wed, Aug 03, 2016 at 07:30:29PM -0500, Shaun Tancheff wrote:
>> I think the translation in loop.c is suspicious here:
>>
>> "if use DIO && not (a flush_flag or discard_flag)"
>> should translate to:
>> "if use DIO && not ((a flush_flag) || op == discard)"
>>
>> But in the patch I read:
>> "if use DIO && ((not a flush_flag) || op == discard)
>>
>> Which would have DIO && discards follow the AIO path?
>
> Indeed. Sorry for missing out on your patch, I just sent a fix
> in reply to Dave's other report earlier which is pretty similar to
> yours.

No worries. I prefer your switch to a an if conditional here.

--
Shaun Tancheff