Re: [PATCH 12/14] block: align blkdev_dio inlined bio to a cacheline

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On 10/18/21 3:21 AM, Christoph Hellwig wrote:
> On Sat, Oct 16, 2021 at 07:37:46PM -0600, Jens Axboe wrote:
>> We get all sorts of unreliable and funky results since the bio is
>> designed to align on a cacheline, which it does not when inlined like
>> this.
> 
> Well, I guess you'll need to audit all the front_pad users for
> something like this then?

It's not a correctness issue, it's just less efficient. Not really
a new thing.

-- 
Jens Axboe




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