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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Peter Moulder <pjrm@mail.internode.on.net>
Cc: "Ingo Molnar" <mingo@elte.hu>,
	"Éric Piel" <E.A.B.Piel@tudelft.nl>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH, resend] relatime: Let relatime update atime at least once per day
Date: Thu, 8 Jan 2009 13:32:20 +0000	[thread overview]
Message-ID: <20090108133220.GA11254@srcf.ucam.org> (raw)
In-Reply-To: <20090108122952.GA19743@mail.internode.on.net>

On Thu, Jan 08, 2009 at 11:29:53PM +1100, Peter Moulder wrote:
> What was the fate of Ingo's previous patch[*1] to implement this (which,
> incidentally, also included updates to documentation and made the interval
> configurable as Éric Piel suggests) ?

Nobody merged it and Ingo got bored of pushing it. I sent it earlier, 
but nobody came up with an especially good argument for the 
configurability and everyone seemed to want to paint the patch pink with 
yellow polka dots, so I gave up and just sent a minimal one in the hope 
that nobody could find anything to complain about.

> Just a minor nit, but the patch description (not included in the patch itself)
> "at least once a day" isn't particularly accurate given that the patch enforces
> at least a day [minus a second or so] has elapsed since the last update.  The
> description in the above-referenced patch "only once a day" better captures the
> situation, I think.

If mtime is changed then atime will be updated on the next access, so 
you can easily have more than one atime update a day.

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

WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Peter Moulder <pjrm@mail.internode.on.net>
Cc: "Ingo Molnar" <mingo@elte.hu>,
	"Éric Piel" <E.A.B.Piel@tudelft.nl>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH, resend] relatime: Let relatime update atime at least once per day
Date: Thu, 8 Jan 2009 13:32:20 +0000	[thread overview]
Message-ID: <20090108133220.GA11254@srcf.ucam.org> (raw)
In-Reply-To: <20090108122952.GA19743@mail.internode.on.net>

On Thu, Jan 08, 2009 at 11:29:53PM +1100, Peter Moulder wrote:
> What was the fate of Ingo's previous patch[*1] to implement this (which,
> incidentally, also included updates to documentation and made the interval
> configurable as Éric Piel suggests) ?

Nobody merged it and Ingo got bored of pushing it. I sent it earlier, 
but nobody came up with an especially good argument for the 
configurability and everyone seemed to want to paint the patch pink with 
yellow polka dots, so I gave up and just sent a minimal one in the hope 
that nobody could find anything to complain about.

> Just a minor nit, but the patch description (not included in the patch itself)
> "at least once a day" isn't particularly accurate given that the patch enforces
> at least a day [minus a second or so] has elapsed since the last update.  The
> description in the above-referenced patch "only once a day" better captures the
> situation, I think.

If mtime is changed then atime will be updated on the next access, so 
you can easily have more than one atime update a day.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
--
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  reply	other threads:[~2009-01-08 13:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-28 15:29 [PATCH, resend] relatime: Let relatime update atime at least once per day Matthew Garrett
2008-12-28 18:35 ` Jesper Juhl
2008-12-28 20:19   ` Matthew Garrett
2008-12-28 19:04 ` Éric Piel
2008-12-28 19:59   ` Matthew Garrett
2008-12-28 19:59     ` Matthew Garrett
2008-12-28 21:24     ` Éric Piel
2008-12-28 21:36       ` Matthew Wilcox
2008-12-28 21:38       ` Matthew Garrett
2008-12-28 21:38         ` Matthew Garrett
2009-01-08 12:29 ` Peter Moulder
2009-01-08 12:29   ` Peter Moulder
2009-01-08 13:32   ` Matthew Garrett [this message]
2009-01-08 13:32     ` Matthew Garrett
     [not found] <fa.v5U3CdNO/bF+SC9Lx2IrNK0ksBw@ifi.uio.no>
     [not found] ` <fa./Q0ErjvWHKMrOCYUQaeuJBQ1U8A@ifi.uio.no>
     [not found]   ` <fa.pfgwZ2DZZy7psm2o5/f7mrtpRUA@ifi.uio.no>
     [not found]     ` <fa./KluIoJB1+QtfX+SyKcE+SysfKU@ifi.uio.no>
     [not found]       ` <fa.YKGFdZah7xr94yJzEWemIAnOKNA@ifi.uio.no>
2008-12-28 22:53         ` Sitsofe Wheeler

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