Re: [PATCH] virtio_blk: set the default scheduler to none

[Li Feng]

> On Dec 7, 2023, at 14:02, Jason Wang <jasow...@redhat.com> wrote:
> 
> On Thu, Dec 7, 2023 at 12:33 PM Li Feng <fen...@smartx.com> wrote:
>> 
>> virtio-blk is generally used in cloud computing scenarios, where the
>> performance of virtual disks is very important. The mq-deadline scheduler
>> has a big performance drop compared to none with single queue.
> 
> At least you can choose the scheduler based on if mq is supported or not?
> 
> Thanks
> 
The "none" scheduler has better performance regardless of whether it is
a single queue or multiple queues. Why not set the single queue scheduler
to none by default?

Thanks.