On 12/13/18 1:03 PM, Josef Bacik wrote:
> On Thu, Dec 13, 2018 at 12:59:03PM -0700, Jens Axboe wrote:
>> On 12/13/18 12:52 PM, Josef Bacik wrote:
>>> On Thu, Dec 13, 2018 at 12:48:11PM -0700, Jens Axboe wrote:
On 12/11/18 4:01 PM, Dennis Zhou wrote:
> The blk-iolatency controller measures
On Thu, Dec 13, 2018 at 12:59:03PM -0700, Jens Axboe wrote:
> On 12/13/18 12:52 PM, Josef Bacik wrote:
> > On Thu, Dec 13, 2018 at 12:48:11PM -0700, Jens Axboe wrote:
> >> On 12/11/18 4:01 PM, Dennis Zhou wrote:
> >>> The blk-iolatency controller measures the time from
> >>> rq_qos_throttle() to
On 12/13/18 12:52 PM, Josef Bacik wrote:
> On Thu, Dec 13, 2018 at 12:48:11PM -0700, Jens Axboe wrote:
>> On 12/11/18 4:01 PM, Dennis Zhou wrote:
>>> The blk-iolatency controller measures the time from
>>> rq_qos_throttle() to rq_qos_done_bio() and attributes this time to
>>> the first bio that
On Thu, Dec 13, 2018 at 12:48:11PM -0700, Jens Axboe wrote:
> On 12/11/18 4:01 PM, Dennis Zhou wrote:
> > The blk-iolatency controller measures the time from rq_qos_throttle() to
> > rq_qos_done_bio() and attributes this time to the first bio that needs
> > to create the request. This means if a
On 12/11/18 4:01 PM, Dennis Zhou wrote:
> The blk-iolatency controller measures the time from rq_qos_throttle() to
> rq_qos_done_bio() and attributes this time to the first bio that needs
> to create the request. This means if a bio is plug-mergeable or
> bio-mergeable, it gets to bypass the
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