linux-kernel - Re: [RFC 00/32] making inode time stamps y2038 ready

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Message-ID: <6347520.8jMPlVsFjM@wuerfel>
Date:	Sat, 31 May 2014 17:23:02 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	linux-kernel@...r.kernel.org, hch@...radead.org,
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Subject: Re: [RFC 00/32] making inode time stamps y2038 ready

On Saturday 31 May 2014 16:51:15 Richard Cochran wrote:
> On Fri, May 30, 2014 at 10:01:24PM +0200, Arnd Bergmann wrote:
> > 
> > I picked this because it is a fairly isolated problem, as the
> > inode time stamps are rarely assigned to any other time values.
> > As a byproduct of this work, I documented for each of the file
> > systems we support how long the on-disk format can work[1].
> 
> Why are some of the time stamp expiration dates marked as "never"?

It's an approximation:
with 64-bit timestamps, you can represent close to 300 billion
years, which is way past the time that our planet can sustain
life of any form[1].

	Arnd

[1] http://en.wikipedia.org/wiki/Timeline_of_the_far_future
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