From owner-freebsd-hackers  Thu Jul  5 11: 3:37 2001
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Date: Thu, 5 Jul 2001 20:04:14 +0200
From: Bernd Walter <ticso@mail.cicely.de>
To: Terry Lambert <tlambert2@mindspring.com>
Cc: "Michael C . Wu" <keichii@peorth.iteration.net>,
	"E.B. Dreger" <eddy+public+spam@noc.everquick.net>,
	freebsd-smp@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG
Subject: Re: Quick question: AIO / SMP / process-based threading
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References: <Pine.LNX.4.20.0106300538250.19544-100000@www.everquick.net> <20010630005749.A72545@peorth.iteration.net> <3B41AAAA.3EC17263@mindspring.com>
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In-Reply-To: <3B41AAAA.3EC17263@mindspring.com>; from tlambert2@mindspring.com on Tue, Jul 03, 2001 at 04:21:14AM -0700
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On Tue, Jul 03, 2001 at 04:21:14AM -0700, Terry Lambert wrote:
> "Michael C . Wu" wrote:
> > 
> > On Sat, Jun 30, 2001 at 05:47:49AM +0000, E.B. Dreger scribbled:
> > | 1. Is AIO SMP-safe?
> > 
> > AIO is not safe, SMP or not.
> 
> Are you maybe confusion AIO (a POSIX mandated API) with
> async mounts?
> 
> AIO works fine, I think, and is happy with SMP.

At least there is still a warning for VFS_AIO in -currents NOTES.
But I asume they are OK for devices and sockets which is much
more interesting in the usual case.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de


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