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From: "H. Peter Anvin" <hpa@zytor.com>
To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: Harun Scheutzow <harun04@scheutzow.de>, linux-kernel@vger.kernel.org
Subject: Re: vfat file system extreme fragmentation on multiprocessor
Date: Thu, 11 Sep 2008 14:43:44 -0700	[thread overview]
Message-ID: <48C99110.8070206@zytor.com> (raw)
In-Reply-To: <20080911210908.GC31271@csclub.uwaterloo.ca>

Lennart Sorensen wrote:
>>>
>> Well, you can always do that in-memory.
> 
> It still involves searching no matter where you do it.  With FAT-16 that
> means up to 2^16 clusters to search through.  With FAT-32 even more.  It
> doesn't have a cluster bitmap to speed things up.
> 

You don't, obviously, and the cluster links are fairly big.  Lipstick on 
a pig, and all that.  But it's prettier with the lipstick.

	-hpa

  reply	other threads:[~2008-09-11 21:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-11 18:01 vfat file system extreme fragmentation on multiprocessor Harun Scheutzow
2008-09-11 19:10 ` Lennart Sorensen
2008-09-11 19:36   ` H. Peter Anvin
2008-09-11 21:09     ` Lennart Sorensen
2008-09-11 21:43       ` H. Peter Anvin [this message]
2008-09-11 20:11   ` Harun Scheutzow
2008-09-11 21:20     ` Lennart Sorensen
2008-09-11 23:03       ` Harun Scheutzow
2008-09-11 23:50 ` Andrew Morton
     [not found] <baZfg-1yC-3@gated-at.bofh.it>
     [not found] ` <baZS2-2rX-15@gated-at.bofh.it>
2008-09-12 13:19   ` Bodo Eggert
2008-09-12 22:11     ` Harun Scheutzow

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