Re: [PATCH] SMP race in ext2 - metadata corruption.

[Linus Torvalds]

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