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Date: Thu, 27 Nov 2008 17:39:06 +0000
From: Matthew Garrett <mjg@redhat.com>
To: =?iso-8859-1?Q?P=E1draig?= Brady <P@draigBrady.com>
Cc: Karel Zak <kzak@redhat.com>, Randy Dunlap <randy.dunlap@oracle.com>,
       linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
       mingo@redhat.com, val.henson@gmail.com, matthew@wil.cx,
       util-linux-ng@vger.kernel.org
Subject: Re: [PATCH v2 2/2] relatime: Allow making relatime the default	behaviour
Message-ID: <20081127173906.GA24126@srcf.ucam.org>
References: <20081126195457.GA3541@srcf.ucam.org> <20081126195824.GB3541@srcf.ucam.org> <492DD035.5020705@oracle.com> <20081127150126.GA20941@srcf.ucam.org> <20081127150341.GB20941@srcf.ucam.org> <20081127160353.GQ2961@nb.net.home> <492ED945.5010600@draigBrady.com>
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On Thu, Nov 27, 2008 at 05:30:45PM +0000, P?draig Brady wrote:
> Karel Zak wrote:
> > On Thu, Nov 27, 2008 at 03:03:41PM +0000, Matthew Garrett wrote:
> >> Also add a MS_NORELATIME mount option
> > [...]
> >> +#define MS_NORELATIME	(1<<24)	/* Disable relatime even if the default */
> > 
> >  CC: util-linux-ng@vger.kernel.org
> 
> That's useful. Without this, to disable relatime you needed to:
> 
> echo 0 > /proc/sys/fs/default_relatime
> mount -o remount,atime /mnt/point/

I'm dropping that hunk - it's easier to default to relatime in 
userspace, so there's no need to have a kernel fs parameter to forcibly 
disable it.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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