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Date: Fri, 27 Apr 2001 09:52:19 -0700 (PDT)
From: Linus Torvalds <torvalds@transmeta.com>
To: Vojtech Pavlik <vojtech@suse.cz>
cc: Alexander Viro <viro@math.psu.edu>, Andrea Arcangeli <andrea@suse.de>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] SMP race in ext2 - metadata corruption.
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On Fri, 27 Apr 2001, Vojtech Pavlik wrote:
> 
> Actually this is done quite often, even on mounted fs's:
> 
> hdparm -t /dev/hda

Note that this one happens to be ok.

The buffer cache is "virtual" in the sense that /dev/hda is a completely
separate name-space from /dev/hda1, even if there is some physical
overlap.

		Linus

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