Re: [PATCH 12/14] block: align blkdev_dio inlined bio to a cacheline
From: Jens Axboe <axboe@kernel.dk>
Date: 2021-10-18 14:37:01
From: Jens Axboe <axboe@kernel.dk>
Date: 2021-10-18 14:37:01
On 10/18/21 3:21 AM, Christoph Hellwig wrote:
On Sat, Oct 16, 2021 at 07:37:46PM -0600, Jens Axboe wrote:quoted
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