Re: scatter/gather in struct buf/bio

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Fri, 03 Oct 2008 07:48:05 +0000
In message <48E54DBC.5030005_at_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_at_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.
Received on Fri Oct 03 2008 - 05:48:08 UTC

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