[PATCH] nvme-pci: add module parameter for io queue depth

Jens Axboe axboe at fb.com
Fri Jul 7 07:56:47 PDT 2017


On 07/07/2017 07:50 AM, Christoph Hellwig wrote:
> On Fri, Jul 07, 2017 at 05:05:47PM +0800, weiping zhang wrote:
>> Adjust io queue depth more easily.
>>
>> Signed-off-by: weiping zhang <zhangweiping at didichuxing.com>
> 
> Sounds useful in general, the only thin I'm worried about is that
> this will affect all drives in the system, which might have
> very different characteristics.  But I can't really think of
> a better approach.

That's a generic problem that all module parameters have, and it's
sometimes quite annoying. But that should be fixed separately.
I'm fine with this patch, it's an improvement over what we have.

-- 
Jens Axboe




More information about the Linux-nvme mailing list