From: Jens Axboe <jens.axboe@oracle.com>
To: Corrado Zoccolo <czoccolo@gmail.com>
Cc: Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: bug in elevator/cfq regarding start_time?
Date: Tue, 6 Oct 2009 10:54:21 +0200 [thread overview]
Message-ID: <20091006085421.GL5216@kernel.dk> (raw)
In-Reply-To: <4e5e476b0910060143o7af4798q22600d396a5fbbcd@mail.gmail.com>
On Tue, Oct 06 2009, Corrado Zoccolo wrote:
> On Tue, Oct 6, 2009 at 9:12 AM, Jens Axboe <jens.axboe@oracle.com> wrote:
> > On Mon, Oct 05 2009, Corrado Zoccolo wrote:
> >> On Mon, Oct 5, 2009 at 5:08 PM, Corrado Zoccolo <czoccolo@gmail.com> wrote:
> >> False alarm. I just found that the list was not yet filled at that
> >> place in the code.
> >
> > OK, it did look a bit puzzling. FWIW, this is what I committed
> > yesterday:
> >
> > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=30996f40bffe73f05abb92a4cec254befa8cecf7
> Yes, I was testing this one, but put the testing code in the wrong place.
> After fixing the testing code, I verified it is working correctly.
> Now, both the start time and fifo_time are monotonic.
OK good, thanks for confirming! I'll push it for 2.6.32. And thanks for
spotting this in the first place, the fixing part was the easy bit.
--
Jens Axboe
prev parent reply other threads:[~2009-10-06 8:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-04 20:54 bug in elevator/cfq regarding start_time? Corrado Zoccolo
2009-10-04 20:59 ` Jens Axboe
2009-10-05 15:08 ` Corrado Zoccolo
2009-10-05 20:26 ` Corrado Zoccolo
2009-10-06 7:12 ` Jens Axboe
2009-10-06 8:43 ` Corrado Zoccolo
2009-10-06 8:54 ` Jens Axboe [this message]
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