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Re: xfsaild wakeups

To: Elrond <elrond+xfs.oss.sgi.com@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Subject: Re: xfsaild wakeups
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 31 Dec 2008 10:35:22 +1100
In-reply-to: <20081229232915.GA6724@xxxxxxxxxxxxxxxxxxxxx>
Mail-followup-to: Elrond <elrond+xfs.oss.sgi.com@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
References: <20081229232915.GA6724@xxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Tue, Dec 30, 2008 at 12:29:15AM +0100, Elrond wrote:
> Hi,
> The major issue of xfsaild wakeups was analyzed in
> February. (see
> http://oss.sgi.com/archives/xfs/2008-02/msg00169.html ).
> A small issue persists. We're now at 1 wakeup per second
> and mounted filesystem. I have three xfs on my box and the
> number wants to grow. xfsaild is on place two of my
> powertop wakeup list. Sometimes place one.
> Is anyone working on reducing this to zero for an idle fs?

It's on the list of things to do given that 2.6.29 will have
the fix for the bug that the periodic wakeup is catching.


Dave Chinner

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