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From: Jens Axboe <axboe@kernel.dk>
To: Wen Yang <wenyang@linux.alibaba.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>,
	xlpang@linux.alibaba.com, Mikulas Patocka <mpatocka@redhat.com>,
	Mike Snitzer <snitzer@redhat.com>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] block: make the io_ticks counter more accurate
Date: Wed, 25 Dec 2019 20:39:31 -0700	[thread overview]
Message-ID: <41175786-8a02-62e0-fc79-955ec0e74aeb@kernel.dk> (raw)
In-Reply-To: <20191226031014.58970-1-wenyang@linux.alibaba.com>

On 12/25/19 8:10 PM, Wen Yang wrote:
> Instead of the jiffies, we should update the io_ticks counter
> with the passed in parameter 'now'.

I'm still missing some justification for this. What exactly is this
patch trying to solve or improve? Your commit message says "we should",
but why?

-- 
Jens Axboe


  reply	other threads:[~2019-12-26  3:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-26  3:10 [PATCH v2] block: make the io_ticks counter more accurate Wen Yang
2019-12-26  3:39 ` Jens Axboe [this message]
2019-12-26 16:42   ` Wen Yang

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