linux-kernel - Re: [PATCH v2 2/2] relatime: Allow making relatime the default behaviour

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Message-Id: <20081129002419.abfd2504.akpm@linux-foundation.org>
Date:	Sat, 29 Nov 2008 00:24:19 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Matthew Garrett <mjg@...hat.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	mingo@...hat.com, val.henson@...il.com, matthew@....cx
Subject: Re: [PATCH v2 2/2] relatime: Allow making relatime the default
 behaviour

On Thu, 27 Nov 2008 12:03:46 -0500 Christoph Hellwig <hch@...radead.org> wrote:

> On Thu, Nov 27, 2008 at 03:03:41PM +0000, Matthew Garrett wrote:
> > Add support for defaulting to relatime
> >     
> > Allow the kernel to enable relatime on all mounts by default. This can be
> > configured at build time or by a kernel parameter or sysctl. Also add a
> > MS_NORELATIME mount option to allow the default to be overridden for specific
> > mount points.
> 
> NACK.  Please just do it in fstab.
> 

Yes, that's what I was wondering.  No /proc thingy, no new Kconfig
entries, no __setup() thing.  Just

	mount -o relatime=$((24*60*60)) /dev/sda1 /mnt/point
	mount -o remount,relatime=$((24*60*60)) /dev/sda1 /mnt/point

?
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