linux-kernel - Re: [patch] Give kjournald a IOPRIO_CLASS

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Message-ID: <20071022092753.GA7659@elte.hu>
Date:	Mon, 22 Oct 2007 11:27:54 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] Give kjournald a IOPRIO_CLASS_RT io priority


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> > but what bothers me even more is the large picture. Linux's 
> > development is still fundamentally skewed towards bandwidth (which 
> > goes up with hardware advances anyway), while the focus on latencies 
> > is very lacking (which users do care about much more and which 
> > usually does _not_ improve with improved hardware), so i cannot see 
> > why we shouldnt apply this. Reminds me of the illogical, almost 
> > superstitious resistence against the relatime patch. (which is not 
> > in 2.6.24 mind you - killed for good)
> 
> Try `mount -o relatime' and prepare to be surprised ;)

i mean this one:

  http://people.redhat.com/mingo/relatime-patches/improve-relatime.patch

this actually makes relatime practical.

	Ingo
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