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Date: Wed, 3 Sep 2008 13:53:52 +0400
From: Igor Sysoev <is@rambler-co.ru>
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Cc: Tor Egge <tegge@freebsd.org>
Subject: vfs.ffs.rawreadahead
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Hi,

could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read ahead data can be placed in ?


-- 
Igor Sysoev
http://sysoev.ru/en/