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

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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.




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