linux-kernel - Re: vfat file system extreme fragmentation on multiprocessor

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Message-ID: <48C97338.5080502@zytor.com>
Date:	Thu, 11 Sep 2008 12:36:24 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	Harun Scheutzow <harun04@...eutzow.de>,
	linux-kernel@...r.kernel.org
Subject: Re: vfat file system extreme fragmentation on multiprocessor

Lennart Sorensen wrote:
> 
> I don't think fat filesystems have any concept of reserving space for
> expanding files.  It's a pretty simple filesystem after all designed for
> a single cpu machine with a non-multitasking OS (if you can call DOS an
> OS).  Space tends to be allocated from the start of the disk wherever
> free space is found since otherwise you would have to go searching for
> the free space, which isn't that efficient.
> 

Well, you can always do that in-memory.

	-hpa

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