Re: [PATCH] block/bfq: Enable I/O statistics

[Bart Van Assche <bvanassche@xxxxxxx>]

On 6/16/22 13:50, Jens Axboe wrote:
> On 6/13/22 10:32 AM, Bart Van Assche wrote:
> > BFQ uses io_start_time_ns. That member variable is only set if I/O
> > statistics are enabled. Hence this patch that enables I/O statistics
> > at the time BFQ is associated with a request queue.
> >
> > Compile-tested only.
>
> Have you runtime tested it now?

This patch has been tested lightly: I ran blktests in a VM against a 
kernel that includes this patch. I'm not a BFQ expert so I was hoping 
for feedback from Paolo.

Thanks,

Bart.