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From: H. Peter Anvin <hpa@zytor.com>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Nicolas Pitre
	<nicolas.pitre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	Dave Chinner <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-f2fs-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Joseph S. Myers"
	<joseph-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>,
	linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-afs-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	cluster-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	coda-ETDLCGt7PQU3uPMLIKxrzw@public.gmane.org,
	geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org,
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	reiserfs-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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	lftan-EIB2kfCEclfQT0dZR+AlfA@public.gmane.org,
	ocfs2-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org
Subject: [Ocfs2-devel] [RFC 00/32] making inode time stamps y2038 ready
Date: Wed, 04 Jun 2014 17:10:24 -0700	[thread overview]
Message-ID: <538FB570.8000502@zytor.com> (raw)
In-Reply-To: <8770583.6XeZxCxOY8@wuerfel>

On 06/04/2014 12:24 PM, Arnd Bergmann wrote:
> 
> For other timekeeping stuff in the kernel, I agree that using some
> 64-bit representation (nanoseconds, 32/32 unsigned seconds/nanoseconds,
> ...) has advantages, that's exactly the point I was making earlier
> against simply extending the internal time_t/timespec to 64-bit
> seconds for everything.
> 

How much of a performance issue is it to make time_t 64 bits, and for
the bits there are, how hard are they to fix?

	-hpa

  reply	other threads:[~2014-06-05  0:10 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30 20:01 [Ocfs2-devel] [RFC 00/32] making inode time stamps y2038 ready Arnd Bergmann
2014-05-30 20:01 ` [Ocfs2-devel] [RFC 18/32] ocfs2: convert to struct inode_time Arnd Bergmann
2014-05-31 14:30 ` [Ocfs2-devel] [RFC 00/32] making inode time stamps y2038 ready Vyacheslav Dubeyko
2014-06-03 12:21   ` Arnd Bergmann
2014-05-31 14:51 ` Richard Cochran
2014-05-31 15:23   ` Arnd Bergmann
2014-05-31 16:20     ` Geert Uytterhoeven
2014-05-31 18:22     ` Richard Cochran
2014-05-31 19:34       ` H. Peter Anvin
2014-06-01  4:46         ` Richard Cochran
2014-06-01  4:44     ` Richard Cochran
2014-06-02 13:52 ` Joseph S. Myers
2014-06-02 19:19   ` Arnd Bergmann
2014-06-02 19:26     ` H. Peter Anvin
2014-06-02 19:55       ` Arnd Bergmann
2014-06-02 21:57         ` H. Peter Anvin
2014-06-03 14:22           ` Arnd Bergmann
2014-06-03 14:33             ` Joseph S. Myers
2014-06-03 14:37               ` Arnd Bergmann
2014-06-03 21:38             ` Dave Chinner
2014-06-04 15:03               ` Arnd Bergmann
2014-06-04 17:30                 ` Nicolas Pitre
2014-06-04 19:24                   ` Arnd Bergmann
2014-06-05  0:10                     ` H. Peter Anvin [this message]
2014-06-10  9:54                       ` Arnd Bergmann
2014-06-02 21:02     ` Joseph S. Myers
2014-06-04 15:05       ` Arnd Bergmann

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