Re: [PATCH 0/5] cache request_queue pointer

From: Jens Axboe
Date: Sun Oct 17 2021 - 08:59:56 EST


On 10/14/21 8:03 AM, Pavel Begunkov wrote:
> Cache request_queue in bdev and replace two derefs in
> bdev->bd_disk->queue with bdev->bd_queue. Benchmarking
> with nullblk gave me around +1% to peak perf.
>
> All patches are self contained and don't rely on others from
> the set including 1/5 and can be taken separately. And some
> changes go in separate patches to minimise conflicts. When
> we agree on the approach, I'll send the rest converting some
> other spots out of block.

Looks fine to me. Christoph, any concerns?

One note, though - s/fater/faster in patches 2..5 in the commit
message.

--
Jens Axboe