Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 03 Oct 2008 07:48:05 +0000
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Scott Long <scottl@samsco.org>
Cc:        Joel Jacobson <jjacobson@panasas.com>, freebsd-current@freebsd.org
Subject:   Re: scatter/gather in struct buf/bio 
Message-ID:  <3976.1223020085@critter.freebsd.dk>
In-Reply-To: Your message of "Thu, 02 Oct 2008 16:39:56 CST." <48E54DBC.5030005@samsco.org> 

next in thread | previous in thread | raw e-mail | index | archive | help
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.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3976.1223020085>