From: Fabio Olive Leite <fleite@redhat.com>
Subject: Re: [PATCH] Stale NFS negative dentries caused by u32 jiffy
	wrap
Date: Thu, 26 Apr 2007 00:24:59 -0300
Message-ID: <20070426032459.GN10449@sleipnir.redhat.com>
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On Tue, Apr 24, 2007 at 01:26:45PM -0300, Fabio Olive Leite wrote:
> =

> This patch solves an issue found on 32bit architectures, where jiffies
> wrap every 50 days. Since many NFS structures are very long lived and
> the code uses jiffies everywhere for timestamp comparisons, there are
> many places where old data can be considered newer than something
> fresh from the server. This one deals with negative dentries, and I'd
> like to have it discussed in the list for sanity checking.

Please disregard this email and patch. With extra testing, I found out
that time_after and friends are not suited at all to the type of
long-lived timestamp comparisons that the NFS code does. I'll start a
new thread for that.

Regards,
F=E1bio
-- =

ex sed lex awk yacc, e pluribus unix, amem

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