From: "David Dabbs" <david@dabbs.net>
To: 'Nikita Danilov' <nikita@clusterfs.com>
Cc: reiserfs-list@namesys.com
Subject: RE: Performance improvements to key comparison functions
Date: Mon, 12 Jul 2004 16:27:39 -0500 [thread overview]
Message-ID: <20040712212807.A7F6215E85@mail03.powweb.com> (raw)
In-Reply-To: <16624.31019.650162.819466@gargle.gargle.HOWL>
> Nikita Danilov wrote
>
> Arrggh, I shouldn't post that late in night :)
>
> ISO C 6.5.8 Relational operators
>
> [#6] Each of the operators < (less than), > (greater than),
> <= (less than or equal to), and >= (greater than or equal
> to) shall yield 1 if the specified relation is true and 0 if
> it is false.80) The result has type int.
>
> Of course you are right.
>
> Nikita.
I'm curious about testing znode->version before and then after the call to
znode_contains_strict (when it returns true). Is there a reason this is not
done e.g. extra call to znode_contains is a small price to pay vs.
speculative, protected read of each cached node's version member?
David
next prev parent reply other threads:[~2004-07-12 21:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 18:38 Performance improvements to key comparison functions David Dabbs
2004-07-12 20:04 ` Nikita Danilov
2004-07-12 20:26 ` David Dabbs
2004-07-10 23:18 ` Nikita Danilov
2004-07-12 21:27 ` David Dabbs [this message]
2004-07-11 0:01 ` Nikita Danilov
2004-07-12 22:03 ` David Dabbs
2004-07-12 12:00 ` Nikita Danilov
2004-07-13 17:58 ` David Dabbs
2004-07-12 20:49 ` David Dabbs
2004-07-10 23:23 ` Nikita Danilov
2004-07-12 21:07 ` mjt
2004-07-13 18:19 ` Hans Reiser
2004-07-12 21:42 ` Philippe Gramoullé
-- strict thread matches above, loose matches on Subject: below --
2004-07-12 8:48 David Dabbs
2004-07-13 18:33 ` Hans Reiser
2004-07-13 19:59 ` David Dabbs
2004-07-14 6:59 ` Hans Reiser
2004-06-22 10:53 ` David Dabbs
2004-07-13 22:18 ` David Dabbs
2004-07-14 7:03 ` Hans Reiser
2004-06-23 8:43 David Dabbs
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