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To: Scott Long <scottl@samsco.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 02 Oct 2008 16:39:56 CST."
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Date: Fri, 03 Oct 2008 07:48:05 +0000
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Cc: Joel Jacobson <jjacobson@panasas.com>, freebsd-current@freebsd.org
Subject: Re: scatter/gather in struct buf/bio 
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In message <48E54DBC.5030005@samsco.org>, Scott Long writes:

>Doing a single dd probably isn't going to show any difference at all.

Actually, it will, because we save most of physio, but the difference
is not that great.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.