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SubjectRe: [PATCH 0/5] Some improvements for blk-throttle
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On 9/15/20 2:59 AM, Baolin Wang wrote:
> Hi Jens,
>
> On Mon, Sep 14, 2020 at 07:37:53PM -0600, Jens Axboe wrote:
>> On 9/7/20 2:10 AM, Baolin Wang wrote:
>>> Hi All,
>>>
>>> This patch set did some clean-ups, as well as removing some unnecessary
>>> bps/iops limitation calculation when checking if can dispatch a bio or
>>> not for a tg. Please help to review. Thanks.
>>>
>>> Baolin Wang (5):
>>> blk-throttle: Fix some comments' typos
>>> blk-throttle: Use readable READ/WRITE macros
>>> blk-throttle: Define readable macros instead of static variables
>>> blk-throttle: Avoid calculating bps/iops limitation repeatedly
>>> blk-throttle: Avoid checking bps/iops limitation if bps or iops is
>>> unlimited
>>>
>>> block/blk-throttle.c | 59 ++++++++++++++++++++++++++++++++--------------------
>>> 1 file changed, 36 insertions(+), 23 deletions(-)
>>
>> Looks reasonable to me, I've applied it.
>
> Thanks.
>
>>
>> Out of curiosity, are you using blk-throttle in production, or are these
>> just fixes/cleanups that you came across?
>
> Yes, we're using it in some old products, and I am trying to do some
> cleanups and optimizaiton when testing it.

Gotcha. Reason I ask is I've been considering deprecating it, but when
fixes come in for something, that always makes me think that some folks
are actually using it.

--
Jens Axboe

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