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

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Date:	Thu, 27 Nov 2008 16:07:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Matthew Garrett <mjg@...hat.com>
Cc:	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


* Matthew Garrett <mjg@...hat.com> 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.
> 
> Signed-off-by: Matthew Garrett <mjg@...hat.com>
> 
> ---
> 
> Incorporates Randy's suggestion to change default_relatime to 
> relatime_default, along with a couple of typographical fixes

> +config DEFAULT_RELATIME
> +	bool "Mount all filesystems with relatime by default"
> +	default y

This should not be enabled by default - but distros can set it to 
enabled just fine.

Looks good otherwise!

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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