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From: Ville Herva <vherva@niksula.hut.fi>
To: Daniel Phillips <phillips@bonn-fries.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Ext2 directory index, updated
Date: Mon, 5 Nov 2001 09:48:16 +0200	[thread overview]
Message-ID: <20011105094816.E26218@niksula.cs.hut.fi> (raw)
In-Reply-To: <20011104022659Z16995-4784+750@humbolt.nl.linux.org> <m3hesatcgq.fsf@borg.borderworlds.dk> <20011105014225Z17055-18972+38@humbolt.nl.linux.org>
In-Reply-To: <20011105014225Z17055-18972+38@humbolt.nl.linux.org>; from phillips@bonn-fries.net on Mon, Nov 05, 2001 at 02:43:28AM +0100

On Mon, Nov 05, 2001 at 02:43:28AM +0100, you [Daniel Phillips] claimed:
>
> Which kernel are you using?  From 2.4.10 on ext2 has an accelerator in 
> ext2_find_entry - it caches the last lookup position.  I'm wondering how that 
> affects this case.

Is that the same optimization Ted T'so implemented for ext3 around 0.9.10? I
thought it hadn't been ported the ext2...

BTW, I assume the ext2 dir index patch is roughly equivalent to FreeBSD
dirhash and the the other patch resembles theFreeBSD dirperf patch?
Have you looked at them? [http://www.osnews.com/story.php?news_id=153]


-- v --

v@iki.fi

  reply	other threads:[~2001-11-05  7:48 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-04  2:28 Ext2 directory index, updated Daniel Phillips
2001-11-04  2:44 ` Daniel Phillips
2001-11-04 22:09 ` Christian Laursen
2001-11-04 22:24   ` Daniel Phillips
2001-11-04 22:54     ` Christian Laursen
2001-11-04 23:01     ` Daniel Phillips
2001-11-04 23:09       ` Gábor Lénárt
2001-11-05 22:10       ` Andreas Dilger
2001-11-06  0:38         ` Daniel Phillips
2001-11-05  1:43   ` Daniel Phillips
2001-11-05  7:48     ` Ville Herva [this message]
2001-11-05  9:53       ` Daniel Phillips
2001-11-05 22:59     ` Christian Laursen
2001-11-05 23:13       ` Daniel Phillips
2001-11-05 23:45         ` Andreas Dilger
2001-11-08  7:21     ` Christian Laursen
  -- strict thread matches above, loose matches on Subject: below --
2002-03-04 11:03 Ext2 Directory Index, updated Daniel Phillips
2001-11-02  3:36 Ext2 directory index, updated Daniel Phillips
2001-11-02  5:04 ` Andreas Dilger

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